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MDS-JE770
SERVICE MANUAL
AEP Model
UK Model
E Model
Ver 1.0 2001. 05
Model Name Using Similar Mechanism
Foreign patents licensed form Dolby Laboratories
Licensing Corporation.
MDS-S50
MD Mechanism Type
MDM-7A
Optical Pick-up Type
KMS-260B/260E
SPECIFICATIONS
System
MiniDisc digital audio
system
Disc
MiniDisc
Laser
Semiconductor laser
( λ = 780 nm) Emission
duration: continuous
Laser output
MAX 44.6 µW1)
1) This output is the value measured at a distance of
200 mm from the objective lens surface on the
Optical Pick-up Block with 7 mm aperture.
Laser diode
Material: GaAlAs
Revolutions (CLV)
400 rpm to 900 rpm
Error correction
ACIRC (Advanced Cross
Interleave Reed Solomon
Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive
TRansform Acoustic
Coding)/ATRAC 3
Modulation system
EFM (Eight-to-Fourteen
Modulation)
Number of channels
2 stereo channels
Frequency response
5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio
Over 98 dB during play
Wow and flutter
Below measurable limit
I npu ts
ANALOG IN
Jack type: phono
Impedance: 47 kilohms
Rated input: 500 mVrms
Minimum input:
125 mVrms
DIGITAL OPTICAL IN Connector type: square
optical
Impedance: 660 nm
(optical wave length)
DIGITAL COAXIAL IN (European model only)
Jack type: phono
Impedance: 75 ohms
Rated input: 0.5 Vp-p,
±20 %
Ou tputs
PHONES
ANALOG OUT
Jack type: stereo phone
Rated output: 28 mW
Load impedance: 32 ohms
Jack type: phono
Rated output: 2 Vrms (at
50 kilohms)
Load impedance: over
10 kilohms
DIGITAL OPTICAL OUT
Connector type: square
optical
Rated output: –18 dBm
Load impedance: 660 nm
(optical wave length)
— Continued on next page —
MINIDISC DECK
9-873-890-11
Sony Corporation
2001E0200-1
© 2001.5
Home Audio Company
Shinagawa Tec Service Manual Production Group
MDS-JE770
Genera l
Supplied accessorie s
Power requirements
European model:
230 V AC, 50/60Hz
Other models:
110 – 120/220 – 240 V
AC, 50/60Hz
Adjustable with voltage
selector
Power consumption
Dimensions (approx.)
15 W (0.5 W in standby mode)
430 X 95 X 285 mm
(w/h/d) incl. projecting
parts and controls
3.1 kg
Mass (approx.)
Audio connecting cords (2)
Optical cable (1)
Remote commander (remote) (1)
R6 (size-AA) batteries (2)
SELF-DIAGNOSIS FUNCTION
The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which
show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box
in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the SelfDiagnosis Function (Error History Display Mode)”.
Self-diagnosis function
The deck’s self-diagnosis function automatically checks
the condition of the MD deck when an error occurs, then
issues a three- or five-digit code and an error message on
the display. If the code and message alternate, find them in
the following table and perform the indicated
countermeasure. Should the problem persist, consult your
nearest Sony dealer.
Three- or fivedigit code/
Message
C11/Protected
C12/Cannot Copy
C13/REC Error
C13/Read Error
Three- or fivedigit code/
Message
Cause/Remedy
C14/Toc Error
The deck could not read the TOC on the
MD properly.
, Insert another disc.
, If possible, erase all the tracks on the
MD .
C41/Cannot Copy
The sound source is a copy of
commercially available music software, or
you tried to record a CD-R (Recordable
CD).
, The Serial Copy Management System
prevents making a digital copy.
You cannot record a CD-R.
Cause/Remedy
The inserted MD is record-protected.
, Take out the MD and close the recordprotect slot.
You tried to record a CD with a format
that the external device connected to the
deck does not support, such as CD-ROM
or video CD.
, Remove the disc and insert a music
CD.
The recording was not made properly.
, Set the deck in a stable surface, and
repeat the recording procedure.
The inserted MD is dirty (with smudges,
fingerprints, etc.), scratched, or
substandard in quality.
, Replace the disc and repeat the
recording procedure.
The deck could not read the TOC on the
MD properly.
, Take out the MD and insert it again.
The sporadic appearance of this message
is caused by the digital signal being
recorded. This will not affect the
recording.
C71/Din Unlock
E0001/
MEMORY NG
E0101/
LASER NG
While recording from a digital component
connected through the DIGITAL IN
connector, the digital connecting cable
was unplugged or the digital component
turned off.
, Connect the cable or turn the digital
component back on.
There is an error in the internal data that
the deck needs in order to operate.
, Consult your nearest Sony dealer.
There is a problem with the optical
pickup.
, The optical pick-up may have failed.
Consult your nearest Sony dealer.
Procedure for using the Self-Diagnosis Function (Error History Display Mode).
Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required
procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the MENU/NO button to exit
the mode.
2
MDS-JE770
1. While pressing the lAMSL knob and x button, connect the power plug to the outlet, and release the lAMSL knob and
x button.
When the test mode is set, “[Check]” will be displayed.
2. Rotate the lAMSL knob and when “[Service]” is displayed, press the YES button.
3. Rotate the lAMSL knob and display “Err Display”.
4. Pressing the YES button sets the error history mode and displays “op rec tm”.
5. Select the contents to be displayed or executed using the lAMSL knob.
6. Pressing the lAMSL knob will display or execute the contents selected.
7. Pressing the lAMSL knob another time returns to step 4.
8. Pressing the MENU/NO button displays “Err Display” and exits the error history mode.
9. To exit the test mode, press the REPEAT button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.
ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS
Selecting the Test Mode
Display
History
op rec tm
Displays the total recording time.
When the total recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.
op play tm
Displays the total playback time.
When the total playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
spdl rp tm
Displays the total rotating time of the spindle motor.
When the total rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
retry err
Displays the total number of retry errors during recording and playback
Displays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback.
This is displayed in hexadecimal from 00 to FF.
total err
Displays the total number of errors
Displays “total xx”. This is displayed in hexadecimal from 00 to FF.
err history
Displays the past ten errors.
Displays “0x ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error
code.
Select the error history number using the lAMSL knob.
retry adrs
Displays the past five retry addresses.
Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error.
Select the error history number using the lAMSL knob.
er refresh
Mode for erasing the error and retry address histories
Procedure
1. Press the lAMSL knob when displayed as “er refresh”.
2. Press the YES button when the display changes to “er refresh?”.
When “complete!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
tm change
Mode for erasing the total time of recording and playback
Procedure
1. Press the lAMSL knob when displayed as “tm refresh”.
2. Press the YES button when the display changes to “tm refresh?”.
When “complete!” is displayed, it means erasure has completed.
op change
Mode for erasing the total time of op rec tm, op play tm.
These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced,
perform this procedure and erase the history.
Procedure
1. Press the lAMSL knob when displayed as “op change”.
2. Press the YES button when the display changes to “op change?”.
When “Complete!” is displayed, it means erasure has completed.
3
MDS-JE770
Display
History
Mode for erasing the total spdl rp tm time
These histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced,
perform this procedure and erase the history.
Procedure
1. Press the lAMSL knob when displayed as “spdl change”
2. Press the YES button when the display changes to “spdl change?”
When “Complete!” is displayed, it means erasure has completed.
spdl change
Table of Error Codes
Error Code
TABLE OF CONTENTS
Description
1. SERVICING NOTES ........................................................ 5
10
Could not load
12
Loading switches combined incorrectly
20
Timed out without reading the top of PTOC
21
Could read top of PTOC, but detected error
3. DISASSEMBLY
22
Timed out without accessing UTOC
23
Timed out without reading UTOC
24
Error in UTOC
30
Could not start playback
31
Error in sector
40
Retry cause generated during normal recording
41
Retried in DRAM overflow
42
Retry occurred during TOC writing
43
Retry aborted during S.F editing
3-1. Disassembly flow .............................................................. 13
3-2. Upper Case (408226) ........................................................ 14
3-3. Front Panel Section ........................................................... 14
3-4. Main Board ....................................................................... 15
3-5. PT Board, VOL-SEL Board (SP model) ........................... 15
3-6. Mechanism Deck Section ( MDM-7A) ............................. 16
3-7. Over Light Head (HR901), BD Board .............................. 16
3-8. Holder Assy ....................................................................... 17
3-9. Loading Motor Assy (M103) ............................................ 17
3-10. Sled Motor Assy (M102), Slider ....................................... 18
3-11. Optical Pick-up .................................................................. 18
3-12. Spindle Moter Assy (M101) .............................................. 19
50
Other than access processing, and could not read address.
51
Focus NG occurred and overran.
2. GENERAL ........................................................................ 12
5. ELECTRICAL ADJUSTMENTS ............................... 25
MODEL IDENTIFICATION
— BACK PANEL —
6. DIAGRAMS
Part No.
MODEL
PARTS No.
AEP models
4-233-025-6s
UK models
SP models
4-236-047-1s
4-233-025-8s
• Abbreviation
SP
: Singapore model
4. TEST MODE ......................................................................20
6-1. Circuit Boards Location ..................................................... 36
6-2. Block Diagrams
•BD Section ..................................................................... 38
•Main Section .................................................................. 39
6-3. Printed Wiring Board – BD Board – ................................. 40
6-4. Schematic Diagram – BD Section (1/2) – ......................... 41
6-5. Schematic Diagram – BD Section (2/2) – ......................... 42
6-6. Schematic Diagram – Main Section (1/2) – ...................... 43
6-7. Schematic Diagram – Main Section (2/2) – ...................... 44
6-8. Printed Wiring Board – Main Section – ........................... 45
6-9. Printed Wiring Board – Display Section – ........................ 46
6-10. Schematic Diagram – Display Section – ........................... 47
6-11. Printed Wiring Board – Power Section – .......................... 48
6-12. Schematic Diagram – Power Section – ............................. 49
6-13. IC Block Diagrams ............................................................ 50
6-14. IC Pin Functions ................................................................ 52
7. EXPLODED VIEWS
7-1.
7-2.
7-3.
7-4.
Chassis Section .................................................................. 60
Front Panel Section ............................................................ 61
Mechanism Section-1 (MDM-7A) .................................... 62
Mechanism Section-2 (MDM-7A) .................................... 63
8. ELECTRICAL PARTS LIST ........................................64
4
MDS-JE770
SECTION 1
SERVICE NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
NOTES ON LASER DIODE EMISSION CHECK
Never look into the laser diode emission from right above when
checking it for adjustment. It is feared that you will lose your sight.
SAFETY-RELATED COMPONENT WARNING!!
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
This appliance is classified as a
CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT
MARKING is located on the
rear exterior.
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH
MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
This caution
label is located
inside the unit.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation exposure.
5
MDS-JE770
JIG FOR CHECKING BD BOARD WAVEFORM
The special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be
performed are shown as follows.
GND
I+3V
IOP
TE
VC
RF
FE
: Ground
: For measuring IOP (Check the deterioration of the optical pick-up laser)
: For measuring IOP (Check the deterioration of the optical pick-up laser)
: TRK error signal (Traverse adjustment)
: Reference level for checking the signal
: RF signal (Check jitter)
: Focus error signal
CN105
IOP
TE
I+3V
GND
FE
VC
RF
1
I+3V
IOP
GND
TE
FE
VC
RF
I+3V
Iop
GND
TE
FE
VC
RF
7
6
for
MDM-7A
MDS-JE770
Iop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF
BD BOARD) ARE REPLACED
The Iop value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need
to look at the value on the label of the optical pick-up. When replacing the optical pick-up or non-volatile memory (IC195 of BD board),
record the Iop value on the optical pick-up according to the following procedure.
Record Precedure:
1. While pressing the l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS L knob and
x button.
2. Rotate the l AMS L knob to display “[Service]”, and press the YES button.
3. Rotate the l AMS L knob to display “Iop Write” (C05), and press the YES button.
4. The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.
5. Input the Iop value written on the optical pick-up.
To select the number : Rotate the l AMS L knob.
To select the digit
: Press the l AMS L knob.
6. When the YES button is pressed, the display becomes “Measu=@@@.@” (@ is an arbitrary number).
7. As the adjustment results are recorded for the 6 value. Leave it as it is and press the YES button.
8. “Complete!” will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become “Iop
Write”.
9. Press the REPEAT button to complete.
Display Precedure:
1. While pressing the l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS L knob and
x button.
2. Rotate the l AMS L knob to display “[Service]”, and press the YES button.
3. Rotate the l AMS L knob to display “Iop Read” (C26).
4. “@@.@/##.#” is displayed and the recorded contents are displayed.
@@.@ : indicates the Iop value labeled on the optical pick-up.
##.#
: indicates the Iop value after adjustment
5. To end, press the l AMS L button or MENU/NO button to display “Iop Read”(C26). Then press the REPEAT button.
7
MDS-JE770
OPTICAL PICK-UP BLOCK TYPE DISCRIMINATION
There are two types of the optical pick-up block in this model.
These are compatible except for the laser power.
Check the type of the optical pick-up block before replacement.
Ajdust following items after replacing the optical pick-up block.
• 5-6-2. Laser Power Check (See page 28)
• 5-10. LASER POWER ADJUSTMENT (See page 31)
Differences
KMS-260B
KMS-260E
Color of the adhesive agent at PDIC portion
Pink
White
Form of FPC retainer plate
Close the hole on SL base
Not close the hole on SL base
Big variable resistor (3 type) and chip resistor (Fig. A)
APC variable resistor
Small volume (2 type)
Small variable resistor (2 type) and chip resistor (Fig. B)
Fig. B type is for repair.
• Abbreviation
260B: KMS-260B model
260E: KMS-260E model
KSN-260B
KSN-260E
(Fig A)
CHIP
Hold on SL base
3 type variable
resistor
(Fig B)
CHIP
Hold on SL base
FPC retainer plate
APC variable
resistor
Adhesive agent at
PDIC portion
8
FPC retainer plate
Adhesive agent at
PDIC portion
2 type variable
resistor
MDS-JE770
CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS
Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent.
Details of the procedures are described in “5 Electrical Adjustments”.
• 5-6-2. Laser power check (see page 28)
• 5-6-3. Iop Compare (see page 28)
• 5-6-4. Auto Check (see page 29)
Note:
The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value for
adjustments.
When performing adjustments, use the specified values for adjustments.
FORCED RESET
The system microprocessor can be reset in the following procedure.
Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor, etc.
Procedure :
Remove the short-pin attached to CN406, and then attach it again.
[MAIN BOARD] (Component Side)
@CN406
9
MDS-JE770
RETRY CAUSE DISPLAY MODE
• In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the
“track mode” for obtaining track information will be set.
This is useful for locating the faulty part of the unit.
• The following will be displayed :
During recording and stop : Retry cause, number of retries, and number of retry errors.
During playback
: Information such as type of disc played, part played, copyright.
These are displayed in hexadecimal.
Procedure:
1. Insert the recordable disc.
2. Press MENU/NO button to display “Edit Menu” on the fluorescent display.
3. Turn l AMS L button to display “All Erase?” on the fluorescent display.
4. Press YES button to display “All Erase??” on the fluorescent display.
5. Press YES button, “Complete!” is displayed on the fluorescent display and it turns off immediately.
6. Procedure 1: Press the x button continuously for about 10 seconds.
Procedure 2: Press the LEVEL/DISPLAY/CHAR button while pressing the x button and MENU/NO button.
7. When the mode is set, “RTs 00c 00e 000” is displayed.
8. Press the z REC button to start recording. Then press the X button and start recording.
9. To check the “track mode”, press the H button to start play.
10.To exit the test mode, press the @/1 button, and turn OFF the power. When “TOC” disappears, disconnect the power plug from the outlet.
If the test mode cannot be exited, refer to “Forced Reset” on page 9.
Fig. 1 Reading the Test Mode Display
(During recording and stop)
Fig. 2 Reading the Test Mode Display
(During playback)
RTs@@c##c***
Fluorescent display tube display
@@###**$$
Fluorescent display tube display
@@ : Cause of retry
## : Number of retries
*** : Number of retry errors
@@
###
**
$$
:
:
:
:
Parts No. (name of area named on TOC)
Cluster } Address (Physical address on disc)
Sector
Track mode (Track information such as copyright information of each part)
Reading the Retry Cause Display
Higher Bits
Hexadecimal 8
Bit
Binary
10
4
2
1
Lower Bits
8
4
2
1
b7 b6 b5 b4 b3 b2 b1 b0
Hexadecimal
Cause of Retry
Occurring conditions
0
0
0
0
0
0
0
1
01
shock
0
0
0
0
0
0
1
0
02
ader5
0
0
0
0
0
1
0
0
04
Discontinuous address When ADIP address is not continuous
0
0
0
0
1
0
0
0
08
DIN unlock
When DIN unlock is detected
0
0
0
1
0
0
0
0
10
FCS incorrect
When not in focus
0
0
1
0
0
0
0
0
20
IVR rec error
When ABCD signal level exceeds the specified range
0
1
0
0
0
0
0
0
40
CLV unlock
When CLV is unlocked
1
0
0
0
0
0
0
0
80
Access fault
When access operation is not performed normally
When track jump (shock) is detected
When ADER was counted more than five times continuously
MDS-JE770
Reading the Display:
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Example
When 42 is displayed:
Higher bit : 4 = 0100 t b6
Lower bit : 2 = 0010 t b1
In this case, the retry cause is combined of “CLV unlock” and “ader5”.
When A2 is displayed:
Higher bit : A = 1010 t b7+b5
Lower bit : 2 = 0010 t b2
The retry cause in this case is combined of “access fault”, “IVR rec error”, and “ader5”.
Reading the Track Mode Display
Higher Bits
Hexadecimal 8
Bit
Binary
4
2
1
Lower Bits
8
4
2
1
b7 b6 b5 b4 b3 b2 b1 b0
Details
Hexadecimal
When 0
When 1
0
0
0
0
0
0
0
1
01
Emphasis OFF
Emphasis ON
0
0
0
0
0
0
1
0
02
Monaural
Stereo
0
0
0
0
0
1
0
0
04
This is 2-bit display. Normally 01.
01:Normal audio. Others:Invalid
0
0
0
0
1
0
0
0
08
0
0
0
1
0
0
0
0
10
Audio (Normal)
Invalid
Original
Digital copy
0
0
1
0
0
0
0
0
20
0
1
0
0
0
0
0
0
40
Copyright
No copyright
1
0
0
0
0
0
0
0
80
Write prohibited
Write allowed
Reading the Display:
Convert the hexadecimal display into binary display. If more than two causes, they will be added.
Example When 84 is displayed:
Higher bit : 8 = 1000 t b7
Lower bit : 4 = 0100 t b2
In this case, as b2 and b7 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis OFF”, “monaural”,
“original”, “copyright exists”, and “write allowed”.
Example When 07 is displayed:
Higher bit : 0 = 1000 t All 0
Lower bit : 7 = 0111 t b0+b1+b2
In this case, as b0, b1, and b2 are 1 and others are 0, it can be determined that the retry cause is combined of “emphasis ON”, “stereo”,
“original”, “copyright exists”, and “write prohibited”.
Hexadecimal t Binary Conversion Table
Hexadecimal
Binary
Hexadecimal
Binary
0
0000
8
1000
1
0001
9
1001
2
0010
A
1010
3
0011
B
1011
4
0100
C
1100
5
0101
D
1101
6
0110
E
1110
7
0111
F
1111
11
MDS-JE770
SECTION 2
GENERAL
This section is extracted from
instruction manual.
Parts Identification
The items are arranged in alphabetical order.
Refer to the pages indicated in parentheses ( ) for details.
Main unit
1
2
3
4
5
6
7
9 0 qa qs
8
qd
STANDBY
EJECT
MENU/
NO
MDLP
YES
AMS
TIMER
GROUP
ON/OFF
SKIP
REC OFF PLAY
PHONES
PHONE LEVEL
PLAY MODE
MIN
qf qg
MAX
qh
REC
TIME
REC MODE
CLEAR
PUSH ENTER
LEVEL/
REPEAT DISPLAY/CHAR
(KEYBOARD)
qj qk ql
AMS wh (15) (20) (25) (35) (39)
CLEAR wg (23) (30) (40)
Display window wa
EJECT A 8 (11) (20) (25)
GROUP ON/OFF1) 3 (13) (22)
(31)
GROUP SKIP1) 4 (13) (22) (31)
INPUT ws (11)
LEVEL/DISPLAY/CHAR w;
(11) (21) (29)
MD insertion slot 6
MDLP indicator 7 (14) (21)
MENU/NO qs (15) (22) (25) (35)
(39)
12
INPUT
PC LINK
w;
wa
PC LINK (KEYBOARD)1) qj
(39)
PHONE LEVEL1) qh (21)
PHONES jack1) qg (17) (21) (36)
PLAY MODE qk (20) (37)
REC MODE ws (14) (22)
REC z wf (11)
Remote sensor2) 2
REPEAT ql (20)
STANDBY indicator 1 (11) (20)
TIME1) 5 (17) (21)
TIMER1) qf (37)
YES qd (15) (23) (25) (35) (39)
ws
wd
wf wg
wh
BUTTON DESCRIPTIONS
`/1 1 (11) (20) (25)
H 9 (11) (20) (37) (40)
X 0 (11) (20) (39) (40)
x qa (11) (20) (25) (37) (40)
m/M wd (20) (26) (40)
1)
2)
MDS-JE770 only.
MDS-JE770 only. For MDSJE470, the remote sensor is
located on the display
window.
MDS-JE770
SECTION 3
DISASSEMBLY
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
• Abbreviation
SP : Singapore
SET
3-2 UPPER CASE (408226)
3-3 FRONT PANEL
SECTION
3-4 MAIN BOARD
3-5 PT BOARD
VOL-SEL BOARD (SP model)
3-6 MECHANISM DECK
SECTION (MDM-7A)
3-7 BD BOARD
3-7 OVER LIGHT HEAD
(HR901)
3-8 HOLDER ASSY
3-7 BD BOARD
3-8 HOLDER ASSY
3-10 SLED MOTOR
ASSY (M102)
3-9 LOADING MOTOR
ASSY (M103)
3-11 OPTICAL PICK-UP
(KMS-260B/260E)
3-12 SPINDLE MOTOR
ASSY (M101)
Note 1: The processes enclosed with
, remove in the any order.
Note 2: You cannot go to the next process until every process enclosed with
has done.
13
MDS-JE770
3-2. UPPER CASE (408226)
2 Case (408226)
1 Two screws
(CASE 3TP2)
1 Screw
(CASE 3TP2)
1 Two screws
(CASE 3TP2)
3-3. FRONT PANEL SECTION
3 Connector (CN830)
5 Claw
2 Connector (CN390)
1 Wire (flat type) (17core) (CN3)
4 Three screws
(+BVTP3x8)
5 Claw
6 Front panel
4 Two screws
(+BVTP3x8)
14
MDS-JE770
3-4. MAIN BOARD
6 Two screws
(+BVTP3x8)
3 Connector (CN400)
2 Wire (flat type) (23core) (CN1)
1 Wire (flat type) (27core) (CN2)
7 MAIN board
4 Three screws
(+BVTP3x8)
5 screw (+BVTP3x8)
3-5. PT BOARD, VOL-SEL BOARD (SP model)
3 Three screws
(+PTTWH M3)
5 PT board
1 Connector (CN900)
6 Two screws
(+BVTP3x8) (SP model)
2 Connector (CN990) (SP model)
7 VOL-SEL board (SP model)
4 Nylom rivet (dia 3)
15
MDS-JE770
3-6. MECHANISM DECK SECTION (MDM-7A)
3 Mechanism deck
2 Two step screws
(+BVTTWH M3)
2 Two step screws
(+BVTTWH M3)
1 Harness
3-7. OVER LIGHT HEAD (HR901), BD BOARD
Note 1: If you disconnect the connector (CN104), you can remove the
BD board without removing the over write head (HR901).
Note 2: Be careful to handle the over write head (HR901) because it is
easy to be damaged.
2 Screw (P1.7X6)
3 Head, over light (HP901)
4 Remove the solder (four portion)
8 BD board
6
7 FLEXIBLE board (CN101)
4 Remove the solder (five portion)
5 Two screws (BTP2X6)
16
1 Connector (CN104)
MDS-JE770
3-8. HOLDER ASSY
2 Claw
3
6 Holder ASSY
5
4 Boss
4 Boss
1 Spring (holder), tension
3-9. LOADING MOTOR ASSY (M103)
1 Belt (loading)
2 Two screws (PWH1.7x2.5)
3 Motor ASSY, loading (M103)
17
MDS-JE770
3-10. SLED MOTOR ASSY (M102), SLIDER
5 Remove the claw.
Shift the slider in the arrow
A direction.
3
4 Slider (EJ)
A
6 Slider
8 Lever (head)
1 Two screws (BTP2X6)
2 Guide (L)
9 Two screws
(PWH1.7X2.5)
7 Lever (CHG)
0 Motor ASSY, sled
(M102)
3-11. OPTICAL PICK-UP
qa Optical pick-up
(KMS-260B/260E)
1 FLEXIBLE board
7 Main shaft
0 SL base
9 Screw (P1.7X6)
8
6 Two screws (K2X6)
4 Screw (BTP2X6)
5 Base (BU-A)
3 Gear (SD)
2 Screw (M1.7), tapping
18
MDS-JE770
3-12. SPINDLE MOTER ASSY (M101)
2 Spindle motor ASSY (M101)
1 Three screws (M1.7), tapping
19
MDS-JE770
SECTION 4
TEST MODE
4-1. PRECAUTIONS FOR USE OF TEST MODE
• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc
is stopped before setting and removing it.
Even if the A EJECT button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will
not stop rotating.
Therefore, it will be ejected while rotating.
Be sure to press the A EJECT button after pressing the MENU/NO button and the rotation of disc is stopped.
4-1-1. Recording laser emission mode and operating buttons
•
•
•
•
•
•
•
•
Continuous recording mode (CREC 1MODE) (C35)
Laser power check mode (LDPWR CHECK) (C13)
Laser power adjustment mode (LDPWR ADJUS) (C04)
Iop check (Iop Compare) (C27)
Iop value nonvolatile writing (Iop NV Save) (C06)
Traverse (MO) check (EF MO CHECK) (C14)
Traverse (MO) adjustment (EF MO ADJUS) (C07)
When pressing the z REC button.
4-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: While pressing the l AMS L knob and x button, connect the power plug to an outlet, and release the l AMS L
knob and x button.
When the test mode is set, “[Check]” will be displayed. Rotating the l AMS L knob switches between the following
three groups; ··· y Check y Service y Develop y ···.
Procedure 2: While pressing the l AMS L knob, connect the power plug to the outlet and release the l AMS L knob.
When the test mode is set, “TEMP CHECK”(C12) will be displayed. By setting the test mode using this method, only the
“Check” group of method 1 can be executed.
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the MENU/NO button immediately to exit the [Develop] group.
4-3. EXITING THE TEST MODE
Press the REPEAT button. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.
4-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the l AMS L knob, YES button, and MENU/NO button.
The functions of these buttons are as follows.
Function name
Function
MENU/NO button
Cancel or move to top hierarchy
YES button
Set
AMS
knob
20
Left or Right
Select
Push
Set submenu
MDS-JE770
4-5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by rotating the l AMS L knob. After selecting the
group to be used, press the YES button. After setting a certain group, rotating the l AMS L knob switches between these modes.
Refer to “Group” in the table for details selected.
All adjustments and checks during servicing can be performed in the test mode in the Service group.
NOTE: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the MENU/NO button immediately to exit the [Develop] group.
Group
Display
No.
Details
AUTO CHECK
C01
Automatic self-diagnosis
Err Display
C02
Error history display, clear
TEMP ADJUS
C03
Temperature compensation offset adjustment
LDPWR ADJUS
C04
Laser power adjustment
Iop Write
C05
Iop data writing
Iop NV Save
C06
Writes current Iop value in read nonvolatile memory using microprocessor
EF MO ADJUS
C07
Traverse (MO) adjustment
EF CD ADJUS
C08
Traverse (CD) adjustment
FBIAS ADJUS
C09
Focus bias adjustment
AG Set (MO)
C10
Focus, tracking gain adjustment (MO)
AG Set (CD)
C11
Focus, tracking gain adjustment (CD)
TEMP CHECK
C12
Temperature compensation offset check
LDPWR CHECK
C13
Laser power check
EF MO CHECK
C14
Traverse (MO) check
EF CD CHECK
C15
Traverse (CD) check
FBIAS CHECK
C16
Focus bias check
ScurveCHECK
C17
S-curve check
VERIFYMODE
C18
Nonvolatile memory check
DETRK CHECK
C19
Detrack check
0920 CHECK
C25
Most circumference check
Iop Read
C26
Iop data display
Iop Compare
C27
Comparison with initial Iop value written in nonvolatile memory
ADJ CLEAR
C28
Initialization of nonvolatile memory for adjustment values
INFORMATION
C31
Display of microprocessor version, etc.
CPLAY1MODE
C34
Continuous playback mode
CREC 1MODE
C35
Continuous recording mode
Mark
Check
Service
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
For details of “Err Display” (C02), refer to “Self-Diagnosis Function” on page 2.
• If a different mode has been selected by mistake, press the MENU/NO button to exit that mode.
• Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the MENU/NO button to exit the mode immediately.
21
MDS-JE770
4-5-1. Operating the Continuous Playback Mode
1. Entering the continuous playback mode
1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.)
2 Rotate the l AMS L knob and display “CPLAY1 MODE”(C34).
3 Press the YES button to change the display to “CPLAY1 MID”.
4 When access completes, the display changes to “C =
AD = ”.
Note : The numbers “ ” displayed show you error rates and ADER.
2. Changing the parts to be played back
1 Press the YES button during continuous playback to change the display as below.
“CPLAY1 MID” t “CPLAY1 OUT” t “CPLAY1 IN”
When pressed another time, the parts to be played back can be moved.
2 When access completes, the display changes to “C =
AD = ”.
Note : The numbers “ ” displayed show you error rates and ADER.
3. Ending the continuous playback mode
1 Press the MENU/NO button. The display will change to “CPLAY1 MODE”(C34).
2 Press the AEJECT button to remove the disc.
Note : The playback start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID 300h cluster
OUT 700h cluster
4-5-2. Operating the Continuous Recording Mode (Use only when performing self-recording/palyback check.)
1. Entering the continuous recording mode
1 Set a recordable disc in the unit.
2 Rotate the l AMS L knob and display “CREC1 MODE” (C35).
3 Press the YES button to change the display to “CREC1 MID”.
4 When access completes, the display changes to “CREC 1 (
)” and REC lights up.
Note : The numbers “ ” displayed shows you the recording position addresses.
2. Changing the parts to be recorded
1 When the YES button is pressed during continuous recording, the display changes as below.
“CREC1 MID” t “CREC1 OUT” t “CREC1 IN”
When pressed another time, the parts to be recorded can be changed. REC goes off.
)” and REC lights up.
2 When access completes, the display changes to “CREC 1 (
Note : The numbers “ ” displayed shows you the recording position addresses.
3. Ending the continuous recording mode
1 Press the MENU/NO button. The display changes to “CREC1 MODE” (C35) and REC goes off.
2 Press the A EJECT button to remove the disc.
Note 1 : The recording start addresses for IN, MID, and OUT are as follows.
IN
40h cluster
MID 300h cluster
OUT 700h cluster
Note 2 : The MENU/NO button can be used to stop recording anytime.
Note 3 : Do not perform continuous recording for long periods of time above 5 minutes.
Note 4 : During continuous recording, be careful not to apply vibration.
22
MDS-JE770
4-6. FUNCTIONS OF OTHER BUTTONS
Function
G
Contents
Sets continuous playback when pressed in the STOP state. When pressed during continuous
playback, the tracking servo turns ON/OFF.
x
Stops continuous playback and continuous recording.
M
The sled moves to the outer circumference only when this is pressed.
m
The sled moves to the inner circumference only when this is pressed.
REC MODE
Switches between the pit and groove modes when pressed.
PLAY MODE
Switches the spindle servo mode (CLV S y CLV A).
LEVEL/DISPLAY/CHAR
Switches the displayed contents each time the button is pressed.
A
Ejects the disc.
REPEAT
Exits the test mode.
4-7. TEST MODE DISPLAYS
Each time the LEVEL/DISPLAY/CHAR button is pressed, the display changes in the following order.
When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode.
1. Mode display
Displays “TEMP ADJUST” (C03), “CPLAY1MODE” (C34), etc.
2. Error rate display
Displays the error rate in the following way.
C=
AD =
C = Indicates the C error.
AD = Indicates ADER.
3. Address display
The address is displayed as follows. (MO:recordable disc, CD:playback only disc)
If the REC MODE button is pressed , the display switches from groove to pit or
vice versa.
s=
(MO pit and CD)
h=
h=
a=
(MO groove)
h = Indicates the header address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.
Mode display
Error rate display
Address display
Auto gain display (Not used in servicing)
Detrack check display (Not used in servicing)
IVR display (Not used in servicing)
C1 error and Jitter display
(Not used in servicing)
AD error and Jitter display
(Not used in servicing)
Note: “–” is displayed when the address cannnot be read.
23
MDS-JE770
4-8. MEANINGS OF OTHER DISPLAYS
Contents
Display
When Lit
When Off
G
Servo ON
Servo OFF
X
Tracking servo OFF
Tracking servo ON
REC
Recording mode ON
Recording mode OFF
SYNC
CLV low speed mode
CLV normal mode
L.SYNC
ABCD adjustment completed
OVER
Tracking offset cancel ON
B/1
Tracking auto gain OK
A-/REP
Focus auto gain OK
REC MODE
Pit
Groove
DISC/LP2
High reflection
Low reflection
SLEEP/SHUF
CLV S
CLV A
MONO
CLV LOCK
CLV UNLOCK
Tracking offset cancel OFF
4-9. AUTOMATIC SELF-DIAGNOSIS FUNCTION
This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up.
To perform this test mode, the laser power must first be checked.
Perform AUTO CHECK after the laser power check and Iop compare.
Procedure
1. Press the YES button. If “LDPWR
” is displayed, it means that the laser power check has not been performed. In this case,
perform the laser power check and Iop compare, and then repeat from step 1.
2. If a disc is in the mechanical deck, it will be ejected forcibly.
“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.
3. If a disk is loaded at step 2, the check will start automatically.
4. When “XX CHECK” is displayed, the item corresponding to XX will be performed.
When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TDYS-1.
5. When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.
6. After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item
is NG, it will be displayed as “NG:xxxx”.
When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread
motor, etc.
When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.
4-10. INFORMATION
Display the software version.
Procedure
1. If displayed as “INFORMATION”, press the YES button.
2. The software version will be displayed.
3. Press the MENU/NO button to end this mode.
4-11. WHEN MEMORY NG IS DISPLAYED
If the nonvolatile memory data is abnormal, “E001”/”MEMORY NG” will be displayed so that the MD deck does not continue operations.
In this case, set the test mode promptly and perform the following procedure.
Procedure
1. Set the test mode. (Refer to 4-2.)
2. Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be
displayed. “INIT EEP?”
3. Press the x button and A EJECT button together.
4. Rotate the l AMS L knob and select MDM-7A.
5. Press the l AMS L knob. If the nonvolatile memory is successfully overwritten, the normal test mode will be set and a message
to select the test mode will be displayed.
Note: When this setting is doing, readjustment is necessary.
(Adjustment it same as IC195 exchanged)
24
MDS-JE770
SECTION 5
ELECTRICAL ADJUSTMENTS
Note : 260B: KMS-260B
260E: KMS-260E
5-1. PARTS REPLACEMENT AND ADJUSTMENT
If malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check.
Check before replacement
Start
5-6-2.
Laser Power Check
(See page 28)
NG
OK
5-6-3.
Iop Compare
(See page 28)
NG
OK
5-6-4.
Auto Check
(See page 29)
NG
Replace Optical pick-up or MDM-7A
OK
Other faults are suspected.
Check the threading mechanism, etc.
25
MDS-JE770
Adjustment flow
• Abbreviation
OP: Optical pick-up
Start
Replace IC195
YES
After turning off and then on the power,
initialize the EEPROM
For details, refer to 4-11. WHEN MEMORY NG IS
DISPLAYED (See page 24)
NO
Replace OP or IO195
YES
5-7. INITIAL SETTING OF ADJUSTMENT VALUE
(See page 31)
YES
5-9. TEMPERATURE COMPENSATION OFFSET
ADJUSTMENT (See page 31)
NO
Replace IC101, IC195, or D101
NO
Replace OP, IC190, or IC195
YES
5-10. LASER POWER ADJUSTMENT (See page 31)
NO
Replace OP, IC102, IC190,
or IC195
YES
5-11. Iop NV SAVE (See page 32)
NO
Replace OP, IC101, IC151,
or IC195
YES
5-12. TRAVERSE ADJUSTMENT (See page 32)
5-13. FOCUS BIAS ADJUSTMENT (See page 33)
5-16. AUTO GAIN CONTROL OUTPUT LEVEL
ADJUSTMENT (See page 34)
NO
Replace OP
YES
OP change in Err Display mode
Iop write
NO
Replace the spindle motor
NO
5-6-4. Auto Check
(See page 29)
End adjustments
26
YES
Spdl change in Err Display mode
MDS-JE770
5-2. PRECAUTIONS FOR CHECKING LASER DIODE
EMISSION
To check the emission of the laser diode during adjustments, never
view directly from the top as this may lose your eye-sight.
5-3. PRECAUTIONS FOR USE OF OPTICAL PICKUP (KMS-260B/260E)
As the laser diode in the optical pick-up is easily damaged by static
electricity, solder the laser tap of the flexible board when using it.
Before disconnecting the connector, desolder first. Before connecting the connector, be careful not to remove the solder. Also take
adequate measures to prevent damage by static electricity. Handle
the flexible board with care as it breaks easily.
pick-up
flexible board
laser tap
Optical pick-up flexible board
5-4. PRECAUTIONS FOR ADJUSTMENTS
1) When replacing the following parts, perform the adjustments
and checks with in the order shown in the following table.
2) Set the test mode when performing adjustments.
After completing the adjustments, exit the test mode.
Perform the adjustments and checks in “group S” of the test mode.
3) Perform the adjustments to be needed in the order shown.
4) Use the following tools and measuring devices.
• Check Disc (MD) TDYS-1 (Parts No. 4-963-646-01)
• Test Disk (MDW-74/GA-1) (Parts No. 4-229-747-01)
• Laser power meter LPM-8001 (Parts No. J-2501-046-A)
or
MD Laser power meter 8010S (Parts No. J-2501-145-A)
• Oscilloscope (Measure after performing CAL of prove.)
• Digital voltmeter
• Thermometer
• Jig for checking BD board waveform
(Parts No. : J-2501-196-A)
5) When observing several signals on the oscilloscope, etc.,
make sure that VC and ground do not connect inside the oscilloscope.
(VC and ground will become short-circuited.)
6) Using the above jig enables the waveform to be checked without the need to solder.
(Refer to Servicing Note on page 6.)
7) As the disc used will affect the adjustment results, make sure
that no dusts nor fingerprints are attached to it.
Parts to be replaced
Adjustment
Optical
Pick-up
IC101
IC102
IC151
IC190
IC195
D101
5-7. Initial setting of adjustment values
5-8. Recording of Iop information
5-9. TEMP ADJUST
5-10. Laser power adjustment
5-11. Iop NV Save
5-12. Traverse adjustment
5-13. Focus bias adjustment
5-16. Auto gain adjustment
5-6-4. AUTO CHECK
27
MDS-JE770
5-5. USING THE CONTINUOUSLY RECORDED DISC
* This disc is used in focus bias adjustment and error rate check.
The following describes how to create a continuous recording
disc.
1. Insert a disc (blank disc) commercially available.
2. Rotate the l AMS L knob and display “CREC1
MODE”(C35).
3. Press the YES button again to display “CREC1 MID”.
Display “CREC (0300)” and start to recording.
4. Complete recording within 5 minutes.
5. Press the MENU/NO button and stop recording .
6. Press the AEJECT button and remove the disc.
The above has been how to create a continuous recorded data for
the focus bias adjustment and error rate check.
Note :
• Be careful not to apply vibration during continuous recording.
5-6. CHECKS PRIOR TO REPAIRS
These checks are performed before replacing parts according to
“approximate specifications” to determine the faulty locations. For
details, refer to “Checks Prior to Parts Replacement and Adjustments” (See page 9).
Checking Procedure:
1. Set the laser power meter on the objective lens of the optical
pick-up. (When it cannot be set properly, press the m button
or M button to move the optical pick-up.)
Connect the digital volt meter to CN105 pin 1 (I+3V) and
CN105 pin 2 (IOP).
2. Then, rotate the l AMS L knob and display “LDPWR
CHECK”.
3. Press the YES button once and display “LD 0.9 mW $ ”.
Check that the reading of the laser power meter become the
specified value.
4. Press the YES button once more and display “ LD 7.0 mW $
”. Check that the reading the laser power meter and digital
volt meter satisfy the specified value.
Specified Value :
Laser power meter reading : LD 0.9mW : 0.85-0.91mW (260B)
0.90-0.96mW (260E)
LD 7.0mW : 6.80-7.20mW (260B)
7.00-7.50mW (260E)
Digital voltmeter reading : Optical pick-up displayed value ± 10%
(Optical pick-up label)
KMS
5-6-1. Temperature Compensation Offset Check
When performing adjustments, set the internal temperature and room
temperature to 22 to 28ºC.
Checks cannot be performed properly if performed after some time
from power ON due to the rise in the temperature of the IC and
diode, etc. So, perform the checks again after waiting some time.
Checking Procedure:
1. Rotate the l AMS L knob to display “TEMP CHECK”.
(C12)
2. Press the YES button.
3. “T=@@(##) [OK]” should be displayed. If “T=@@ (##) [NG]”
is displayed, it means that the results are bad.
(@@ indicates the current value set, and ## indicates the value
written in the non-volatile memory.)
5-6-2. Laser Power Check
Before checking, check the Iop value of the optical pick-up.
(Refer to 5-8. Recording and Displaying Iop Information.)
Connection :
Optical pick-up
objective lens
Digital volt meter
28
(For details of the method for checking
this value, refer to “5-8. Recording and
Displaying Iop Information”.)
Iop = 57.6 mA in this case
Iop (mA) = Digital voltmeter reading (mV)/1 (Ω)
5. Press the MENU/NO button and display “LDPWR CHECK”
and stop the laser emission.
(The MENU/NO button is effective at all times to stop the laser
emission.)
Note 1: After step 4, each time the YES button is pressed, the
display will be switched between “LD 0.7 mW $ ”,
“LD 6.2 mW $ ”, and “LD Wp
$ ”. Nothing
needs to be performed here.
5-6-3. Iop Compare
The current Iop value at laser power 7 mw output and reference Iop
value (set at shipment) written in the nonvolatile memory are
compared, and the rate of increase/decrease will be displayed in
percentage.
Note: Perform this function with the optical pick-up set at room
temperature.
Laser power
meter
BD board
CN105 pin 1 (I+3V)
CN105 pin 2 (IOP)
260B
20101
H0576
R
Procedure
1. Rotate the l AMS L knob to display “Iop
Compare”(C27).
2. Press the YES button and start measurements.
3. When measurements complete, the display changes to
“±xx%yy”.
xx is the percentage of increase/decrease, and OK or NG is
displayed at yy to indicate whether the percentage of increase/
decrease is within the allowable range.
4. Press the MENU/NO button to end.
MDS-JE770
5-6-4. Auto Check
This test mode performs CREC and CPLAY automatically for
mainly checking the characteristics of the optical pick-up. To
perform this test mode, the laser power must first be checked.
Perform Auto Check after the laser power check and Iop compare.
Procedure
1. Press the YES button. If “LDPWR minicheck” is displayed, it
means that the laser power check has not been performed. In
this case, perform the laser power check and Iop compare, and
then repeat from step 1.
2. If a disc is in the mechanical deck, it will be ejected forcibly.
“DISC IN” will be displayed in this case. Load a test disc (MDW74/GA-1) which can be recorded.
3. If a disk is loaded at step 2, the check will start automatically.
4. When “XX CHECK” is displayed, the item corresponding to
XX will be performed.
When “06 CHECK” completes, the disc loaded at step 2 will be
ejected. “DISC IN” will be displayed. Load the check disc (MD)
TDYS-1.
5. When the disc is loaded, the check will automatically be resumed
from “07 CHECK”.
6. After completing to test item 12, check OK or NG will be
displayed. If all items are OK, “CHECK ALL OK” will be
displayed. If any item is NG, it will be displayed as “NG:xxxx”.
6. Observe the waveform of the oscilloscope, and check that the
specified value is satisfied. Do not rotate the AMS knob.
(Read power traverse checking)
(Traverse Waveform)
A
VC
B
Specified value : Below 10% offset value
Offset value (%) = IA – BI X 100
2 (A + B)
7. Press the YES button and display “EFB =
MO-W”.
8. Observe the waveform of the oscilloscope, and check that the
specified value is satisfied. Do not rotate the l AMS L
knob.
(Write power traverse checking)
(Traverse Waveform)
A
VC
When “CHECK ALL OK” is displayed, it means that the optical
pick-up is normal. Check the operations of the other spindle motor,
thread motor, etc.
When displayed as “NG:xxxx”, it means that the optical pick-up is
faulty. In this case, replace the optical pick-up.
5-6-5. Other Checks
All the following checks are performed by the Auto Check mode.
They therefore need not be performed in normal operation.
1. Load a continuously recorded test disc (MDW-74/GA-1).
(Refer to “5-5. Using the Continuously Recorded Disc”.)
5-6-6. Traverse Check
Connection :
Oscilloscope
B
Specified value : Below 10% offset value
Offset value (%) = IA – BI X 100
2 (A + B)
9. Press the YES button display “EFB =
MO-P”.
Then, the optical pick-up moves to the pit area automatically
and servo is imposed.
10. Observe the waveform of the oscilloscope, and check that the
specified value is satisfied. Do not rotate the l AMS L
knob.
(Traverse Waveform)
A
BD board
CN105 pin 4 (TE)
CN105 pin 6 (VC)
VC
B
V : 0.5 V/div
H : 10 ms/div
Input : DC mode
Checking Procedure:
1. Connect an oscilloscope to CN105 pin 4 (TE) and CN105 pin
6 (VC) of the BD board.
2. Load a test disc (MDW-74/GA-1). (Refer to Note 1.)
3. Press the M button and move the optical pick-up outside the
pit.
4. Rotate the l AMS L knob and display “EF MO CHECK”.
5. Press the YES button and display “EFB = MO-R”.
(Laser power READ power/Focus servo ON/tracking servo OFF/
spindle (S) servo ON)
Specified value : Below 10% offset value
Offset value (%) = IA – BI X 100
2 (A + B)
11. Press the YES button display “EF MO CHECK”(C14)
The disc stops rotating automatically.
12. Press the A EJECT button and remove the disc.
13. Load the check disc (MD) TDYS-1.
14. Roteto the l AMS L knob and display “EF CD CHECK”
(C15).
15. Press the YES button and display “EFB =
CD”. Servo is
imposed automatically.
29
MDS-JE770
16. Observe the waveform of the oscilloscope, and check that the
specified value is satisfied. Do not rotate the l AMS L
knob.
(Traverse Waveform)
A
VC
B
Specified value : Below 10% offset value
Offset value (%) = IA – BI X 100
2 (A + B)
17. Press the YES button and display “EF CD CHECK”.
18. Press the A EJECT button and remove the check disc (MD)
TDYS-1.
Note 1 : MO reading data will be erased during if a recorded disc is
used in this adjustment.
Note 2 : If the traverse waveform is not clear, connect the oscilloscope as shown in the following figure so that it can be
seen more clearly.
Oscilloscope
BD board
CN105 pin 4 (TE)
CN105 pin 6 (VC)
330 kΩ
10pF
5-6-7. Focus Bias Check
Change the focus bias and check the focus tolerance amount.
Checking Procedure :
1. Load a continuously recorded test disc (MDW-74/GA-1).
(Refer to “5-5. Using the Continuously Recorded Disc”.)
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button and display “CPLAY1 MID”.
4. Press the MENU/NO button when “C =
AD = ” is
displayed.
5. Rotate the l AMS L knob and display “FBIAS CHECK”
(C16).
6. Press the YES button and display “
/ c = ”.
The first four digits indicate the C error rate, the two digits after
[/] indicate ADER, and the 2 digits after [c =] indicate the focus
bias value.
Check that the C error is below 20 and ADER is below 2.
/ b = ”.
7. Press the YES button and display “
Check that the C error is below 100 and ADER is below 2.
8. Press the YES button and display “
/ a = ”.
Check that the C error is below 100 and ADER is below 2.
9. Press the MENU/NO button, next press the A EJECT button,
and remove the test disc.
30
5-6-8. C PLAY Check
MO Error Rate Check
Checking Procedure :
1. Load a continuously recorded test disc (MDW-74/GA-1).
(Refer to “5-5. Using the Continuously Recorded Disc”.)
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button and display “CPLAY1 MID”.
4. The display changes to “C =
AD = ”.
5. If the C error rate is below 20, check that ADER is 00.
6. Press the MENU/NO button, stop playback, press the A EJECT
button, and test disc.
CD Error Rate Check
Checking Procedure :
1. Load a check disc (MD) TDYS-1.
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button twice and display “CPLAY1 MID”.
4. The display changes to “C1 =
AD = ”.
5. Check that the C1 error rate is below 20.
6. Press the MENU/NO button, stop playback, press the A EJECT
button, and the test disc.
5-6-9. Self-Recording/playback Check
Prepare a continuous recording disc using the unit to be repaired
and check the error rate.
Checking Procedure :
1. Insert a recordable test disc (MDW-74/GA-1) into the unit.
2. Rotate the l AMS L knob to display “CREC1 MODE”
(C34).
3. Press the YES button to display the “CREC1 MID”.
4. When recording starts, “ REC ” is displayed, this becomes
“CREC 1 (@@@@)” (@@@@ is the address), and recording
starts.
5. About 1 minute later, press the MENU/NO button to stop
continuous recording.
6. Rotate the l AMS L knob to display “C PLAY1 MODE”
(C34).
7. Press the YES button to display “C PLAY1 MID”.
AD = ” will be displayed.
8. “C =
9. Check that the C error becomes below 20 and the AD error
below 2.
10. Press the MENU/NO button to stop playback, and press the A
EJECT button and remove the disc.
MDS-JE770
5-7. INITIAL SETTING OF ADJUSTMENT VALUE
5-9. TEMPERATURE COMPENSATION OFFSET
ADJUTMENT
Note:
Mode which sets the adjustment results recorded in the non-volatile memory to the initial setting value. However the results of the
temperature compensation offset adjustment will not change to the
initial setting value.
If initial setting is performed, perform all adjustments again excluding the temperature compensation offset adjustment.
For details of the initial setting, refer to “5-4. Precautions on Adjustments” and execute the initial setting before the adjustment as
required.
Save the temperature data at that time in the non-volatile memory
as 25 ˚C reference data.
Note :
1. Usually, do not perform this adjustment.
2. Perform this adjustment in an ambient temperature of 22 ˚C to
28 ˚C. Perform it immediately after the power is turned on when
the internal temperature of the unit is the same as the ambient
temperature of 22 ˚C to 28 ˚C.
3. When D101 has been replaced, perform this adjustment after
the temperature of this part has become the ambient temperature.
Adjusting Procedure :
1. Rotate the l AMS L knob and display “TEMP ADJUS”
(C03).
2. Press the YES button and select the “TEMP ADJUS”(C03)
mode.
3. “TEMP =
[OK]” and the current temperature data will be
displayed.
4. To save the data, press the YES button.
When not saving the data, press the MENU/NO button.
5. When the YES button is pressed, “TEMP = SAVE” will be
displayed and turned back to “TEMP ADJUS”(C03) display then.
When the MENU/NO button is pressed, “TEMP ADJUS” (C03)
will be displayed immediatelly.
Setting Procedure :
1. Rotate the l AMS L knob to display “ADJCLEAR”
(C28).
2. Press the YES button. “Complete!” will be displayed momentarily and initial setting will be executed, after which “ADJ
CLEAR”(C28) will be displayed.
5-8. RECORDING AND DISPLAYING THE Iop
INFORMATION
The IOP data can be recorded in the non-volatile memory. The Iop
value on the label of the optical pick-up and the Iop value after the
adjustment will be recorded. Recording these data eliminates the
need to read the label on the optical pick-up.
Recording Procedure :
1. While pressing the l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS
L knob and x button.
2. Rotate the l AMS L knob to display “[Service]”, and
press the YES button.
3. Rotate the l AMS L knob to display “Iop.Write”(C05),
and press the YES button.
4. The display becomes Ref=@@@.@ (@ is an arbitrary number)
and the numbers which can be changed will blink.
5. Input the Iop value written on the optical pick-up.
To select the number : Rotate the l AMS L knob.
To select the digit : Press the l AMS L knob
6. When the YES button is pressed, the display becomes
“Measu=@@@.@” (@ is an arbitrary number).
7. As the adjustment results are recorded for the 6 value. Leave it
as it is and press the YES button.
8. “Complete!” will be displayed momentarily. The value will be
recorded in the non-volatile memory and the display will become “Iop Write”(C05).
Display Procedure :
1. Rotate the l AMS L knob to display “Iop.Read”(C26)
and press the YES button.
2. “@@.@/##.#” is displayed and the recorded contents are
displayed.
@@.@ indicates the Iop value labeled on the pick-up.
##.# indicates the Iop value after adjustment
3. To end, press the l AMS L button or MENU/NO
button to display “Iop Read”(C26).
Specified Value :
” should be within “E0 - EF”, “F0 - FF”, “00 The “TEMP =
0F”, “10 - 1F” and “20 - 2F”.
5-10. LASER POWER ADJUSTMENT
Check the Iop value of the optical pick-up before adjustments.
(Refer to 5-8. Recording and Displaying Iop Information.)
Laser power
meter
Optical pick-up
objective lens
Digital volt meter
BD board
CN105 pin 1 (I+3V)
CN105 pin 2 (IOP)
Connection :
Adjusting Procedure :
1. Set the laser power meter on the objective lens of the optical
pick-up. (When it cannot be set properly, press the m button
or M button to move the optical pick-up.)
Connect the digital volt meter to CN105 pin 1 (I+3V) and
CN105 pin 2 (IOP).
2. Rotate the l AMS L knob and display “LDPWR
ADJUST”(C04).
(Laser power : For adjustment)
3. Press the YES button once and display “LD 0.9 mW $ ”.
4. Rotate the l AMS L knob so that the reading of the laser
power meter becomes the specified value. Press the YES
button after setting the range knob of the laser power meter, and
save the adjustment results. (“LD SAVE $ ” will be displayed
for a moment.)
5. Then “LD 7.0 mW $ ” will be displayed.
6. Rotate the l AMS L knob so that the reading of the
laser power meter becomes the specified value, press the
YES button and save it.
Note : Do not perform the emission with 7.0 mW more than 15
seconds continuously.
31
MDS-JE770
7. Then, rotate the l AMS L knob and display “LDPWR
CHECK”(C13).
8. Press the YES button once and display “LD 0.9 mW $ ”.
Check that the reading of the laser power meter become the specified value.
9. Press the YES button once more and display “LD 7.0 mW $
”. Check that the reading the laser power meter and digital
volt meter satisfy the specified value.
Note down the digital voltmeter reading value.
Specified Value :
Laser power meter reading : LD 0.9mW : 0.85-0.91mW (260B)
0.90-0.96mW (260E)
LD 7.0mW : 6.90-7.10mW (260B)
7.20-7.30mW (260E)
Digital voltmeter reading : Optical pick-up displayed value ± 10%
(Optical pick-up label)
KMS
260B
20101
H0576
R
(For details of the method for checking
this value, refer to “5-8. Recording and
Displaying IOP Information”.)
Iop = 57.6 mA in this case
Iop (mA) = Digital voltmeter reading (mV)/1 (Ω)
10. Press the MENU/NO button and display “LDPWR CHECK”
(C13) and stop the laser emission.
(The MENU/NO button is effective at all times to stop the
laser emission.)
11. Rotate the l AMS L knob to display “Iop.Write”(C05).
12. Press the YES button. When the display becomes Ref = @@@
.@ (@ is an arbitrary number), press the YES button to display
“Measu=@@@.@” (@ is an arbitrary number).
13. The numbers which can be changed will blink. Input the Iop
value noted down at step 9.
To select the number : Rotate the l AMS L knob.
To select the digit : Press the l AMS L knob
14. When the YES button is pressed, “Complete!” will be displayed
momentarily. The value will be recorded in the non-volatile
memory and the display will become “Iop Write”(C05).
Note 1: After step 4, each time the YES button is pressed, the
display will be switched between “LD 0.7 mW $ ”, “LD
6.2 mW $ ”, and “LD Wp
$ ”. Nothing needs
to be performed here.
5-11. Iop NV SAVE
Write the reference values in the nonvolatile memory to perform
“Iop compare”. As this involves rewriting the reference values, do
not perform this procedure except when adjusting the laser power
during replacement of the OP and when replacing the IC102.
Otherwise the OP check may deteriorate.
5-12. TRAVERSE ADJUSTMENT
Connection :
Oscilloscope
BD board
CN105 pin 4 (TE)
CN105 pin 6 (VC)
V : 0.5 V/div
H : 10 ms/div
Input : DC mode
Adjusting Procedure :
1. Connect an oscilloscope to CN105 pin 4 (TE) and CN105 pin
6 (VC) of the BD board.
2. Load a test disc (MDW-74/GA-1). (Refer to Note 1.)
3. Press the M button and move the optical pick-up outside the
pit.
4. Rotate the l AMS L knob and display “EF MO
ADJUS”(C07).
5. Press the YES button and display “EFB = MO-R”.
(Laser power READ power/Focus servo ON/tracking servo OFF/
spindle (S) servo ON)
6. Rotate the l AMS L knob so that the waveform of the
oscilloscope becomes the specified value.
(When the l AMS L knob is rotated, the
of “EFB=
” changes and the waveform changes.) In this adjustment,
waveform varies at intervals of approx. 2%. Adjust the waveform so that the specified value is satisfied as much as possible.
(Read power traverse adjustment)
(Traverse Waveform)
A
VC
B
Specification A = B
7. Press the YES button and save the result of adjustment to the
non-volatile memory (“EFB = SAVE” will be displayed for a
moment. Then “EFB =
MO-W” will be displayed).
8. Rotate the l AMS L knob so that the waveform of the
oscilloscope becomes the specified value.
(When the l AMS L knob is rotated, the of “EFBMO-W” changes and the waveform changes.) In this adjustment,
waveform varies at intervals of approx. 2%. Adjust the waveform so that the specified value is satisfied as much as possible.
(Write power traverse adjustment)
(Traverse Waveform)
Note: Perform this function with the optical pick-up set at room
temperature.
A
Procedure
1. Rotate the l AMS L knob to display “Iop NV Save”
(C06).
2. Press the YES button and display “Iop [stop]”.
3. After the display changes to “Iop =xxsave?”, press the YES
button.
4. After “Complete!” is displayed momentarily, the display changes
to “Iop 7.0 mW”.
5. After the display changes to “Iop=yysave?”, press the YES
button.
6. When “Complete!” is displayed, it means that Iop NV saving
has been completed.
32
VC
B
Specification A = B
9. Press the YES button, and save the adjustment results in the
SAVE” will be displayed for
non-volatile memory. (“EFB =
a moment.)
10. “EFB =
MO-P”. will be displayed.
The optical pick-up moves to the pit area automatically and
servo is imposed.
MDS-JE770
11. Rotate the l AMS L knob until the waveform of the
oscilloscope moves closer to the specified value.
In this adjustment, waveform varies at intervals of approx. 2%.
Adjust the waveform so that the specified value is satisfied as
much as possible.
(Traverse Waveform)
A
VC
B
Specification A = B
12. Press the YES button, and save the adjustment results in the
non-volatile memory. (“EFB = SAVE” will be displayed for
a moment.)
Next “EF MO ADJUS” (C07) is displayed. The disc stops rotating automatically.
13. Press the A EJECT button and remove the disc.
14. Load the check disc (MD) TDYS-1.
15. Roteto l AMS L knob and display “EF CD ADJUS”
(C08).
CD”. Servo is
16. Press the YES button and display “EFB =
imposed automatically.
17. Rotate the l AMS L knob so that the waveform of the
oscilloscope moves closer to the specified value.
In this adjustment, waveform varies at intervals of approx. 2%.
Adjust the waveform so that the specified value is satisfied as
much as possible.
(Traverse Waveform)
A
VC
5-13. FOCUS BIAS ADJUSTMENT
Adjusting Procedure :
1. Load a test disk (MDW-74/GA-1).
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button and display “CPLAY1 MID”.
4. Press the MENU/NO button when “C =
AD = ” is
displayed.
5. Rotate the l AMS L knob and display “FBIAS
ADJUS”(C09).
6. Press the YES button and display “
/ a = ”.
The first four digits indicate the C error rate, the two digits after
[/] indicate ADER, and the 2 digits after [a =] indicate the focus
bias value.
7. Rotate the l AMS L knob in the clockwise direction and
find the focus bias value at which the C error rate becomes 220
(Refer to Note 2).
8. Press the YES button and display “
/ b = ”.
9. Rotate the l AMS L knob in the counterclockwise direction and find the focus bias value at which the C error rate
becomes 220.
/ c = ”.
10. Press the YES button and display “
11. Check that the C error rate is below 20 and ADER is 00. Then
press the YES button.
12. If the “( ” in “ ( ” is above 20, press the YES
button.
If below 20, press the MENU/NO button and repeat the
adjustment from step 2.
13. Press the A EJECT button to remove the test disc.
Note 1 : The relation between the C error and focus bias is as
shown in the following figure. Find points a and b in the
following figure using the above adjustment. The focal
point position C is automatically calculated from points a
and b.
Note 2 : As the C error rate changes, perform the adjustment using
the average vale.
B
C error
Specification A = B
220
18. Press the YES button, display “EFB =
SAVE” for a moment and save the adjustment results in the non-volatile memory.
Next “EF CD ADJUS”(C08) will be displayed.
19. Press the A EJECT button and remove the check disc (MD)
TDYS-1.
b
c
a
Focus bias value
(F. BIAS)
Note 1 : MO reading data will be erased during if a recorded disc is
used in this adjustment.
Note 2 : If the traverse waveform is not clear, connect the oscilloscope as shown in the following figure so that it can be
seen more clearly.
Oscilloscope
BD board
CN105 pin 4 (TE)
CN105 pin 6 (VC)
330 kΩ
10pF
33
MDS-JE770
5-14. ERROR RATE CHECK
5-14-1. CD Error Rate Check
Checking Procedure :
1. Load a check disc (MD) TDYS-1.
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button twice and display “CPLAY1 MID”.
4. The display changes to “C =
AD = ”.
5. Check that the C error rate is below 20.
6. Press the MENU/NO button, stop playback, press the A EJECT
button, and remove the test disc.
5-14-2. MO Error Rate Check
Checking Procedure :
1. Load a continuously recorded test disc (MDW-74/GA-1).
(Refer to “5-5. Using the Continuously Recorded Disc”.)
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34) .
3. Press the YES button and display “CPLAY1 MID”.
4. The display changes to “C =
AD = ”.
5. If the C error rate is below 20, check that ADER is 00.
6. Press the MENU/NO button, stop playback, press the A EJECT
button, and remove the test disc.
5-15. FOCUS BIAS CHECK
Change the focus bias and check the focus tolerance amount.
Checking Procedure :
1. Load a continuously recorded test disc (MDW-74/GA-1).
(Refer to “5-5. Using the Continuously Recorded Disc”.)
2. Rotate the l AMS L knob and display “CPLAY1
MODE”(C34).
3. Press the YES button twice and display “CPLAY1 MID”.
4. Press the MENU/NO button when “C =
AD = ” is
displayed.
5. Rotate the l AMS L knob and display “FBIAS CHECK”
(C16).
6. Press the YES button and display “
/ c = ”.
The first four digits indicate the C error rate, the two digits after
[/] indicate ADR, and the 2 digits after [c =] indicate the focus
bias value.
Check that the C error is below 20 and ADER is below 2.
7. Press the YES button and display “
/ b = ”.
Check that the C error is below 100 and ADER is below 2.
8. Press the YES button and display “
/ a = ”.
Check that the C error is below 100 and ADER is below 2
9. Press the MENU/NO button, next press the A EJECT button,
and remove the continuously recorded disc.
Note 1 : If the C error and ADER are above other than the specified value at points a (step 8. in the above) or b (step 7. in
the above), the focus bias adjustment may not have been
carried out properly. Adjust perform the beginning again.
34
5-16. AUTO GAIN CONTROL OUTPUT LEVEL
ADJUSTMENT
Be sure to perform this adjustment when the Optical pick-up is replaced.
If the adjustment results becomes “Adjust NG!”, the Optical pickup may be faulty or the servo system circuits may be abnormal.
5-16-1. CD Auto Gain Control Output Level Adjustment
Adjusting Procedure :
1. Insert the check disc (MD) TDYS-1.
2. Rotate the l AMS L knob to display “AG Set (CD)”
(C11).
3. When the YES button is pressed, the adjustment will be
performed automatically.
“Complete!!” will then be displayed momentarily when the value
is recorded in the non-volatile memory, after which the display
changes to “AG Set (CD)”.
4. Press the A EJECT button to remove the disc.
5-16-2. MO Auto Gain Control Output Level Adjustment
Adjusting Procedure :
1. Insert the reference disc (MDW-74/GA-1) for recording.
2. Rotate the l AMS L knob to display “AG Set (MO)”
(C10).
3. When the YES button is pressed, the adjustment will be
performed automatically.
“Complete!!” will then be displayed momentarily when the value
is recorded in the non-volatile memory, after which the display
changes to “AG Set (MO)”(C10).
4. Press the A EJECT button to remove the disc.
MDS-JE770
5-17. ADJUSTING POINTS AND CONNECTING POINTS
[BD BOARD] (SIDE A)
D101
CN101
[BD BOARD] (SIDE B)
IC101
CN105
1
IC102
7
*
NOTE
IC151
IC190
IC195
23
1 27
CN103
1
CN102
NOTE:It is useful to use the jig. for checking the waveform. (Refer
to Servicing Note on page 6.)
35
MDS-JE770
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
PT board
VOL-SEL board (SP model)
KEY-SW board
MAIN board
HP board
KB board
DISPLAY board
BD board
•
36
Abbreviation
SP
: Singapore model
MDS-JE770
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
• WAVEFORMS
B C
E
Note:
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part
number specified.
•
•
•
•
•
•
•
•
•
1 IC101 ek (RF)
These are omitted.
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.
f
•
: internal component.
• C : panel designation.
B
C
E
1 IC1 qd (XOUT)
2.7Vp-p
1.3Vp-p
These are omitted.
100 nsec
C
Q
2 IC101 ef (FE)
These are omitted.
2 IC550 qs
(Play mode)
B E
0.2Vp-p
2.6Vp-p
22 nsec
3 IC101 wh (TE)
A : B+ Line.
B : B– Line.
H : adjustment for repair.
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
(
)
: PLAY
< >
: REC
∗
: Impossible to measure
Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
Circled numbers refer to waveforms.
Signal path.
E : PB
j : REC
p : PB (DIGITAL OUT)
l : REC (DIGITAL IN)
Abbreviation
SP
: Singapore model
(Play mode)
1.6Vp-p
– DISPLAY Board –
1 IC760 yh (OSCO)
4 IC151 qh (OSCI)
3.2Vp-p
3.1Vp-p
22 nesc
5 IC151 wj (LRCK)
3.2Vp-p
For printed wiring boards.
22.6 µsec
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
a
•
: Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(Side B)
Parts face side:
(Side A)
– MAIN Board –
– BD Board –
6 IC151 wk (XBCK)
3.8Vp-p
Parts on the pattern face side seen from the
pattern face are indicated.
Parts on the parts face side seen from the
parts face are indicated.
354 nsec
7 IC151 o; (FS4)
3.2Vp-p
5.67 µsec
8 IC171 3
1.0Vp-p
22 nsec
37
37
0.4 µsec
MDS-JE770
6-2. BLOCK DIAGRAMS – BD SECTION –
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC151 (1/2)
15
TX
60
FILTER
SCTX
59
62
61
54
I
46
40
AGCI
RF AGC
& EQ
B.P.F.
AUX
3T
PEAK
TEMP
B
38
57
DIN0
DIGITAL
AUDIO
INTERFACE
PEAK &
BOTTOM
BOTM
DOUT
OPTICAL
TRANSCEIVER
21
IC641
ADIN
ADFG
OSCI
OSCO
36
LD/PD
AMP
LD
SE
COMMAND
SERIAL/PARALLEL
CONVERTER,
DECODER
V-I
CONVERTER
28
94 93
12 11
14
9
8
5 6 7
F0CNT
A00 – A09
22
3
4
23
OE
WE
RAS
CAS
1 2 3 4
SWDT
20
SCLK
D-RAM
IC153
XOE
43
XWE
47
XRAS
46
XCAS
44
MNT0
MNT1
MNT2
MNT3
26
IC171
A0 – A9
APC
TRACKING
ERROR AMP
79
MONITOR
CONTROL
SPINDLE
SERVO
SWDT
SCLK
XLAT
I-V
AMP
F
34
F0CNT
BUFFER
17
5, 9 – 12, 14 – 18
PD
11
TE
E
CPU
INTERFACE
35
16
34 – 31, 36 – 40, 45
AUTOMATIC
POWER CONTROL
Q121, 122
ILCC
FE
FOCUS
ERROR AMP
78
SHOCK
XBUSY
9
ABCD
ABCD
AMP
I-V
AMP
32
SRDT
8
F
30
SENS
C
D
E
29
INTERNAL BUS
XINT
DETECTOR
B.P.F.
SQSY
E
A
B
C
D
DQSY
4
5
6
7
SUBCODE
PROCESSOR
ADIP
DEMODULATOR/
DECODER
SPRD
A
ADFM
SWDT, SCLK
FCS+
(FOCUS)
(TRACKING)
2-AXIS
DEVICE
FCS–
TRK+
TRK–
27 OUT2F
IN2F 29
92
25 OUT2R
IN2R 30
91
21 OUT1F
23 OUT1R
IN1F 19
IN1R 18
10
XRST
13
RECP
AUTOMATIC
POWER
CONTROL
SFDR
SRDR
FFDR
88
FRDR
89
SENS
IC440
A/D CONVERTER
DIGITAL SERVO
SIGNAL
PROCESS
IN3F 14
IN3R 15
TFDR
86
TRDR
85
DIGITAL SERVO
SIGNAL PROCESSOR
IC151 (2/2)
3
6
LOADING
MOTOR DRIVE
ANALOG MUX
FROM CPU
INTERFACE
AUTO
SEQUENCER
12 OUT3F
10 OUT3R
MNT1 (SHOCK)
MNT2 (XBUSY)
LDOUT
67 65 66 75 74 63 64
IN2
83
SPRD
OUT2
4
67 66
SPFD
IN1
IN4F
3
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
OUT4R
IN4R
APCREF
8
OUT4F
OUT1
M
6
7
2
XLRF
XLAT
80
CKRF
SCLK
81
DTRF
SWDT
82
VCC 1
+5V
VCC 8
UNREG
+12V
VZ 5
REFERENCE
VOLTAGE SWITCH
Q440,445
S104
(PLAY SW)
PLAY-SW 51
S105
(REC POSITION)
REC-SW 53
65 LD-LOW
REFLECT 61
SDA
5
60 SDA
EEPROM
IC195
MOD
S103
(OUT SW)
OUT-SW 49
M103
(LOADING)
HF MODULE
SWITCH
S101
(LIMIT IN)
LIMIT-IN 55
M
IC102, Q131 – 134
HF MODULE
+5V
IC190
IC1 (1/2)
LDIN
16
PWM GENERATOR
M102
(SLED)
M
SYSTEM CONTROLLER
56 MOD
PSB
+3.3V
REG.
D+3V
52 DIG-RST
54 WR-PWR
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
M101
(SPINDLE)
MAIN
D SECTION
59 48
SCLK
XLATCH
58 32 31 33 50
SRDT
25
SWDT
18 20
57 LDON
IC141
MAIN
SECTION
B (Page 39)
MAIN
C
SECTION
(Page 39)
(Page 39)
16 17 18
XINT
12
SQSY
PD
DQSY
10
SWDT
SCLK
XLAT
LASER ON
SWITCH
Q101
APCREF
LASER DIODE
PD
SP
DIGITAL
OUT
(OPTICAL)
DADT, BCK, LRCK
CLOCK
GENERATOR
ADFG
AT
AMP
DIGITAL
IN 2
(OPTICAL)
20
33
37
DIGITAL
IN 1
(OPTICAL)
19
DIN1
DADT
26
XBCK
28
LRCK
27
FS256
29 NC
COMPARATOR
SPFD
A
D
J
EQ
3T
WBL
B
OPTICAL
RECEIVER
IC621
WBL
C
I
IC611
IC600
ASYI
RFI
WAVE
SHAPER
23 NC
EQ
WBL
F
RF
ASYO
OPTICAL
RECEIVER
24 NC
1, 2, 24, 25
RFO
RF AMP
J
FILO
J631
COAXIAL IN AEP, UK
22 NC
LRCKI
PLL
CLTV
MAIN
A SECTION
(Page 39)
DQ1 – DQ4
2
53
IC101
PCO
DATAI
XBCKI
D0 – D3
1
RF AMP,
FOCUS/TRACKING ERROR AMP
SAMPLING
RATE
CONVERTER
FILI
ADDT
25
49, 48, 50, 51
MORFO
I
J
47
MORFI
48
OPTICAL PICK-UP
(KMS-260B/260E)
ADDT
ATRAC
ENCODER/DECODER
IC181, Q181, 182
HR901
OVER WRITE HEAD
IC151 (1/2)
EFMO
SHOCK PROOF
MEMORY CONTROLLER
100
EFM/ACIRC
ENCODER/DECODER
OVER WRITE
HEAD DRIVE
SCL
6
45 SCL
• SIGNAL PATH
PROTECT 44
S102
(REFLECT/PROTECT DETECT)
HIGH REFELECT RATE/
WRITE PROTECT
LOW REFELECT RATE/
UN-PROTECT
38
38
: PLAY (ANALOG OUT)
: PLAY (DIGITAL OUT)
: REC (ANALOG IN)
: REC (DIGITAL IN)
MDS-JE770
– MAIN SECTION –
A/D, D/A CONVERTER
IC500
• SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
J300
BD SECTION A
(Page 38)
ADDT
13
HIGH-PASS FILTER,
DIGITAL
ATTENUATOR
SDTO
A/D
CONVERTER
BLOCK
AINL
SUBTRACKTION
AINR
AUDIO
INTERFACE
CONTROLLER
BD SECTION B
(Page 38)
DADT, BCK,
LRCK
DADT
14
BCK
12
LRCK
BD SECTION D
(Page 38)
SWDT, SCLK
11
SWDT
SCLK
AOUTL+
AOUTL–
D/A
CONVERTER
BLOCK
DIGITAL
ATTENUATOR,
SOFT MUTE
SDTI
BICK
AOUTR–
CLOCK
GENERATOR,
CLOCK DIVIDER
CONTROL
REGISTER
INTERFACE
LINE AMP
L
2
IC310
R
L
IC360 (1/2) IC370 (1/2)
25
XTI
LOW-PASS
FILTER
28
MIX AMP
27
IC360 (2/2)
9
R
MUTING
Q181, 281
IC550
X550
45.1584MHz
19
RV790
PHONE
LEVEL
IC370 (2/2)
OSC
PD
BD SECTION C
(Page 38)
LOW-PASS
FILTER
MIX AMP
26
ANALOG IN
ANALOG OUT
AOUTR+
LRCK
CDTI
15
CCLK
16
CS
17
3
MUTING
CONTROL SWITCH
Q380
J790
PHONES
–1
HEADPHONE
AMP
IC390
1024FS
–2
REMOTE CONTROL
RECEIVER
IC740
MUTING
Q190,290
D382
D381
J851
CONTROL
A1II
A1 I/O
Q851
D851
EXT ON
3
4
38
3 24 81
A1 OUT
A1 IN
SIRCS
MUTE
A1-OUT
87 88
97,95-93
92
19 12
3
DA
CP
CS
AD1 – AD4
COM01 – COM22
COM24
P4
VD1SP1
P1
P2
3 – 37
79, 80, 2,1
39 – 60
61
62 38
4
D406
D408
CN406
TR900
POWER
TRANSFORMER
AC
(TO FL750)
BT406
LITHIUM
BATTERY
RESET
-32V
RECT
D401-404
IC401
VCC 5
–32V
REGULATOR
–32V
(FL DRIVER (IC760) B–)
RECT
D421
IC421
G24
G23
FLUORESCENT INDICATOR TUBE
FL750
D409
S713
IC406
FL DRIVE
Q761, 762
TR950
POWER
TRANSFORMER
+3.3V
REGULATOR
+3.3V
(BACKUP)
3 RESET
J780
PC LINK
(KEY BOARD)
GND
+3.3V
(SYS)
PLAY
l AMS L
PUSH ENTER
G01 – G22
LED DRIVE
Q733
SW
GND
2
RECT
D431,432
OFF
5
4
9
BUFFER
LED DRIVE
Q726
S36 – S39
D733
GROUP
75
S01 – S35
D726
STANDBY
SEG01 – SEG35
72 73
COM23
IC760
66 OSCO
Q34
KEYBOARD
OFF SWITCH
IIC POWER 28
IC600(2/2)
REC
RESET 67
FL/LED DRIVER
6
3
1
IIC BUSY 23
6
ROTARY
ENCODER
65 OSCI
5
GND
XBUSY
70 69 68
OSC
BUFFER
Q21,821
S746
TIMER
B
A
1
P DOWN
S.RST
1 2 84
TIMER
CLK-CTL 34
JOG1
IC1 (2/2)
JOG0
IIC CLK 29
KEY0 – KEY3
+5V
IIC DATA 30
SYSTEM CONTROLLER
FLDT
FLCK
FLCS
13 XOUT
IIC DATA
BUFFER
Q22,822
KB DATA 22
KB CLK 21
X15
10MHz
C766, R766
STB
24
A1-IN
39
ADA,RESET
15 XIN
40
ADA,LATCH
IIC CLK
S701 – 706, 711, 712,
S714-716, 721 – 724,
S726,S731-733
UNREG +12V
RECT
D471, 472
RELAY
DRIVE
Q911
AUDIO
CIRCUIT
D775
MD LP
LED DRIVE
Q755
UNREG –12V
IC411
+5V
REGULATOR
+5V
VT +3.3V
(TO IC500)
39
39
+3.3V
REGULATOR
Q490
3 OUT
VIN 1
RECT
D466–467
UNREG +12V
LOADING MOTOR
DRIVER (IC440) B+
AC IN
S990
VOLTAGE
SELECTOR
110-120V
RECT
D411,412
220-230V
MDS-JE770
6-3. PRINTED WIRING BOARD – BD Board –
• See page 36 for Circuit Board Location.
There are a few cases that the part isn’t mounted in
model is printed on diagram.
OPTICAL PICK - UP
BLOCK
(KMS - 260B/260E)
BD BOARD
BD BOARD
(SIDE A)
(SIDE B)
5
1
• Semiconductor
Location
Ref. No.
Location
D101
A-4
Q101
Q131
Q132
Q133
Q134
B-1
C-1
B-1
B-1
B-1
HR901
OVER
WRITE HEAD
40
40
B
A
MAIN BOARD
CN1
(Page 45)
MAIN BOARD
CN2
(Page 45)
4
2
3
• Semiconductor
Location
Ref. No.
Location
Ref. No.
Location
D181
D183
D-3
D-3
IC181
IC190
IC195
D-3
D-1
D-2
IC101
IC102
IC141
IC151
IC153
IC171
A-3
B-3
C-1
C-2
C-3
D-2
Q121
Q122
Q181
Q182
B-3
B-3
D-3
D-3
MDS-JE770
6-4. SCHEMATIC DIAGRAM – BD SECTION (1/2) – • See page 37 for Waveforms. • See page 52 for IC Pin Functions. • See page 50 for IC Block Diagrams.
BD
BOARD
(2/2)
(Page 42)
(KMS - 260B/260E)
BD
BOARD
(2/2)
(Page 42)
BD
BOARD
(2/2)
(Page 42)
41
41
MDS-JE770
6-5. SCHEMATIC DIAGRAM – BD SECTION (2/2) – • See page 37 for Waveforms. • See page 53 for IC Pin Functions. • See page 50 for IC Block Diagrams.
BD
BOARD
(1/2)
(Page 41)
MAIN
BOARD(1/2)
CN2
(Page 43)
BD
BOARD
(1/2)
(Page 41)
MAIN
BOARD(1/2)
CN1
(Page 43)
BD
BOARD
(1/2)
(Page 41)
42
42
MDS-JE770
6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – • See page 37 for Waveforms. • See page 56 for IC Pin Functions. • See page 51 for IC Block Diagrams.
CN2
27P
1
LD-IN
2
LD-OUT
C680
JUMPER
D-GND
PROTECT
PROTECT SW
REFRECT
REFRECT SW
SCL
SCL
XBUSY
SWDT
SWDT
OUT-SW
8
SCLK
9
SCLK
XLATCH
10
SRDT
11
SRDT
13
14
DQSY
DQSY
R61
10k
WRPWR
WRPWR
PLAY-SW
REC-SW
REC-SW
LDON
REFRECT
SQSY
SQSY
WRPWR
DIG-RST
REC-SW
12
SENS
DIG-RST
SENS
DIG-RST
PLAY-SW
MOD
LIMIT-IN
PLAY-SW
SDA
XLATCH
7
SENS
OUT-SW
6
C426
22
50V
SHOCK
XBUSY
CN1
23P
R51
10k
ADDT
XINT
R53 10k
C58 100p
C62
0.1
LDON
IOP
LRCK
DADT
DADT
REG.GND
BCK
MOD
MOD
ADDT
LRCK
LIMIT-IN
LDON
R55 10k
XINT
LIMIT-IN
BCK
AMP
4
R46 10k
REC-SW
WRPWR
DIG-RST
PLAY-SW
MOD
LD ON
LIMIT IN
SENS
SDA
SHOCK
NC
VCC
KB.CLK-CTL
SCLK
SRDT
DQSY
NMI
VCC
S.RST
GND
XOUT
XIN
CNVSS
XOUT-T
XIN-T
BYTE
* NC
*NC
C396
100
16V
C100
10
50V
H.GND
DIN0
DIN-0
R41
100k
R40
JUMPER LATCH
M.GND
L653
0µH
DIN1
ADA.RESET
C651
0.1
DIN-1
L651
JUMPER
M.GND
C652
0.1
M.+5V
M.+5V
DIN0
R33
JUMPER
SCLK
SCLK
R437
1k
IC600
SN74HCU04AN
SRDT
SWDT
SWDT
SWDT
R31
JUMPER
R435
56k
WAVE
R436
330k
SHAPER
R17 JW
DIN1
IC390(2/ 2)
NJM4558D
R23
10k
R614
47k
KB.CTL
IIC DATA
IIC POWER
IIC CLK
XINT
SQSY
X15
10MHz
IIC BUSY
R624
47k
3
DQSY
8
KB.DATA
1
FLDT
C391
100
16V
2
KB.CLK
R191
22
R9
4.7k
R4
JUMPER
R190
10k
Q190
2SD1915(F)
-T(TA). SO
MUTING
HP(L)
HP
BOARD
CN790
(Page47)
REFRECT
GND
LOAD IN
LOAD LO
MODEL 1*
MODEL 0*
LOAD OUT
NC
MODEL 3*
MODEL 2*
NC
NC*
NC*
CLIP-TX
KEY 0
R100
100k
5
L390
JUMPER
GND
AVSS
VREF
AVCC
BD
BOARD
CN103
(Page42)
REG.+5V
D-OUT
H.+5V
L657 C658
0µH 0.1
C657 L658
0.1 JUMPER
IC390(1/ 2)
NJM4558D
CN390
3P
R380
100k
CLIP-RX
7
R290
10k
Q290
2SD1915(F)
-T(TA). SO
MUTING
6
XBCKI
KEY 1
*NC
R291
22
R381
150k
KEY 0
LRCKI
DADTI
MUTE
KEY 2
IIC DATA
HEADPHONE
KEY2
HP(R)
KEY 3
LRCKI
KEY 2
NC
DOUT
ADA.RESET
IIC POWER
KEY 1
NC
L660
JUMPER
ADA.LATCH
IIC CLK
KEY 2
L662
JUMPER
SCL
PROTECT
CONTROLLER
TIMER
A1 OUT
KEY 3
KEY 1
SYSTEM
MODEL SEL
R91 100k
XINT
JOG 0
JOG 1
C88
0.01
*BEEP
TIMER
REG.GND
EEP-WP
EPM
DESTINATION
XBCKI
REG.GND
NC
L:DIN1/H:CLIP
NC
XBUSY
PROTECT
IC1
M30803MG-106FP
JOG 1
IOP
C89 0.001
SIRCS
JOG1
SCL
FLDT
JOG0
KEY1
CE
*D.VOL 1
IIC BUSY
KEY 0
KEY0
*D.VOL 0
JOG 0
C87 0.01
JOG 1
D381
1SS133-72
FLDT
FLDT
D382
1SS133T-72
R94 10k
R95 10k
R93 10k
R97 10k
AEP,UK
A1-IN
FLCK
XLATCH
SP
R90 100k
JOG 0
EEP-WP
KB.DATA
SWITCH
FLCS
KB.CLK
CONTROL
OUT-SW
XBUSY
SQSY
RMC
FLCS
FLCK
MCLK
D-GND
L666
JUMPER
RMC
RMC
FLCS
JUMPER
R50
JUMPER
MCK.GND
R44
10k
OUT-SW
* REC
FLCK
DISP.GND
(Page47)
R1090
10k
Q380
UN4111-TA
MUTING
-32V
XLATCH
*BEEP SW
P.DOWN
AC
R88 10k
FLCS
R92 10k
STB
AC
L450
NC*
NC
L451
JUMPER
SYS+3.3V
FLCK
TIMER
TIMER
PDOWN
R87 10k
KEY3
NC
KEY 3
NC
CN3
17P
NC
R49
10k
DISPLAY
BOARD
CN700
MAIN
BOARD
(2/2)
(Page44)
5
SHOCK
SHCK
(Page42)
4
EEP-WP
EEP-WP
BD
BOARD
CN102
3
SDA
SDA
C601
0.01
R28
10k
R613
470k
AEP,UK
C631
0.1
R632
1k
J631
COAXIAL IN
L668
JUMPER
6
C172
0.001
R171
1.5k
R164
10k
C161
220p
IC641
GP1F38T
7
8
5
R161
10k
R163
10k
8
SWDT
C361
100
16V
C276
22
25V
R278
330
C272
0.001
2
R276
680
1
R271
1.5k
3
4
R515
100
C271
0.0047
C265
0.0001
3
4
R261
10k
R263
10k
ADA.RESET
C519
0.001
C261
220p
2
R264
10k
R262
10k
IC500
AK4524
R266
22k
C266
0.0001
C516
100p
AD/DA
C520
220
10V
C523
100
10V
C522
0.1
C524
0.1
CONVERTER
CS
BICK
CIF
LRCK
PD
XTALE
M/ S
XTI
CLKO
XTO
VT
TEST
VD
VA
DGND
AGND
AOUTL-
VREF
AOUTR-
AINR
AOUTR+
VCOM
IC310(2/ 2)
NJM2114D
4
2
C213
22
25V
R215
47
L523
JUMPER
L522
JUMPER
1
DIGITAL
2
C641
0.1
R511 47 LRCK
C642
4.7
50V
IC550
SN74HCUD4AN
OUT
3
OPTICAL
IC621
GP1F38R
C621
0.1
OSC
C505
0.1
L641
10µH
R491
330
L506
JUMPER
C504
100
16V
D211
1SS133T-72
R552
330
C503
0.0022
C502
0.0022
C501
0.1
C556
47pF
C491
0.1
L551
JUMPER
R556
100
D111
1SS133T-72
C500
220
10V
C530
0.1
C316
100
16V
C557
10pF
R512 47 BCK
AINL
AOUTL+
LINE
AMP
TRANCIEVER
DOUT
R554
100
R513 47 ADDT
SDTO
CCLK
R517
100
C517
100p
1
R272
1.5k
IC370(1/ 2)
NJM2114D
R265
22k
IC360(1/ 2)
NJM2114D
OPTICAL
R514 47 DADT
SDTI
CDTI
R516 C515
100 100p
SCLK
LATCH
C366
100
16V
Q281
2SD1915(F)
-T(TA). SO
MUTING
C165
0.0001
R165
22k
R277
100k
R281
10k
R623
470k
R162
10k
C552
0.1
R551
1M
X550
45.1584MHz
C554
0.001
5
R172
1.5k
IC360(2/ 2)
NJM2114D
6
R177
100k
C277
470p
R631
75
C171
0.0047
7
R181
10k
C177
470p
IC370(2/ 2)
NJM2114D
C19
0.001
C550
0.1
C551
100
10V
C492
0.1
C553
4.7p
L552
JUMPER
RECEIVER
1
DIGITAL
2
IN2
R492
1.2k
3
(OPTICAL)
C623
0.01
Q490
2SC945TP-QP
+3.3V
L349
JUMPER
OPTICAL
C622
4.7
50V
C490
1000
6.3V
L611
10µH
C611
0.1
SP
IC611
GP1F38R
C612
4.7
50V
REGULATOR
C555
15p
R176
680
C16
0.1
L555
L1µH
R178
330
C176
22
25V
C12
0.1
R166
22k
LOW-PASS
FILTER
Q181
2SD1915(F)
-T(TA).SO
MUTING
R3
100
MIX
AMP
C166
0.0001
OPTICAL
RECEIVER
1
DIGITAL
J300
4P
2
1
3
C536
0.1
R
ANALOG
L524
OUT
C531
0.1
C532
0.1
3
IN1
(OPTICAL)
C613
0.01
JUMPER
L
15
16
R
ANALOG
IN
L
C211
470p
R211
33k
R212
15k
C212
22
25V
R213
220k
17
D212
1SS119- 25
18
19
C111
470p
R111
33k
R112
15k
C112
22
25V
R113
220k
C311
100
16V
C113
22
25V
6
7
5
8
MAIN
BOARD
(2/2)
(Page44)
20
R115
47
D112
1SS119-25
21
IC310(1/ 2)
NJM2114D
22
EP599
EARTH
PLATE
(CHASSIS)
43
43
MDS-JE770
6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – • See page 51 for IC Block Diagrams.
IC440
M54641L
LOADING DRIVER
R441
22k
R442
15k
1
Q440,445
Q440
UN4211-TA
C442
0.01
REFERENCE
VOLTAGE
2
SWITCH
C441
100
16V
3
4
R443
22k
Q445
2SA1115TP-EF
D433
1SS119-72
5
R434
22k
R431
100
R432
680
R433
220
C432
22
25V
D409
11EQS04-NTAB2
D431
1SS119-72
C431
33
25V
D432
1SS119-72
IC401
BA033T
6
D408
11EQS04-NTAB2
7
+3.3V
IC406
M62016L
REGULATOR
D406
1SS133T-72
D401
11EQS04-NTA2B
RESET
R406
220
9
R407
10k
CN406
2P
C406
0.33
50V
C401
10000
16V
C404
100
10V
D403
11EQS04-NTA2B
CN400
11
D402
11EQS04-NTA2B
D404
11EQS04-NTA2B
C932
0.1
C402
0.1
C931
0.1
BT406
ML1220
C405
0.01
D411
11ES2-NTA2B
8
5
PT
BOARD
CN921
(Page49)
D412
11ES2-NTA2B
D461
11ES2-NTA2B
IC411
M5F7805L
C412
0.1
C411
10000
16V
+5V
C416
1000
6.3V
1
C461
1000
35V
FB465
0µH
C930
0.1
D462
11ES2-NTA2B
C940
0.1
C941
0.1
REGULATOR
C466
1000
35V
FB460
0µH
C942
0.1
D466
11ES2-NTA2B
D467
11ES2-NTA2B
R423 100k
FB410
MAIN
BOARD
(1/2)
(Page43)
R424
220
R425
220
C425
47
50V
10
JW
R421
22k
C422
0.1
EP940
EARTH
PLATE
C421
0.1
(CHASSIS)
11
R420
JUMPER
12
C423
100
63V
C424
0.1
D422
RD4.7EB2
D421
11ES2-NTA2
IC421
M5293L
13
14
-32V
REGULATOR
15
JW451
JUMPER
R911
2.2k
16
17
Q911
2SD2144S-TP-UVW
RELAY
R912
47k
DRIVE
JW452
JUMPER
18
19
R21
10k
20
R821
10k
R822
10k
R22
10k
R824
4.7k
KB.DATA
KB.CLK
Q35
UN4211-TA
BUFFER
BUFFER
CN830
6P
L831
JUMPER
R827
4.7k
Q21
UN4211-TA
+5V
Q822
2SC2603TP-EF
BUFFER
Q821
2SC2603TP-EF
BUFFER
R823
10k
R826
10k
IIC/KB CLK
IIC/KB DATA
GND
L834
JUMPER
KB
BOARD
CN2780
(Page47)
IIC BUSY
R855
JUMPER
R851
5.6k
D851
1SS133T-72
R856
JUMPER
FB836
FB835
IIC BUSY
IIC DATA
R825
10k
IIC POWER
Q34
UN4211-TA
KEYBOARD
OFF SWITCH
IIC CLK
R828
10k
FB832
KB.CTL
FB833
IIC POWER
C853
0.1
J851
21
CONTROL
A1
R852
4.7k
Q851
2SC2603TP-EF
A1 I/O
22
C851
0.1
R853
10k
C852
0.1
R854
10
C855
0.1
C854
0.1
(CHASSIS)
44
44
MDS-JE770
6-8. PRINTED WIRING BOARD – MAIN SECTION – • See page 36 for Circuit Board Location.
8
C524
C522
C519
IC500
IC550
IC600
IC611
IC621
B-11
B-10
F-9
G-9
G-8
C211
IC641
G-8
Q21
Q22
Q34
Q181
Q190
G-4
G-4
G-4
F-10
D-10
Q281
Q290
Q380
Q440
Q445
F-11
D-10
F-10
C-4
C-4
Q490
Q821
Q822
Q851
Q911
F-5
G-4
G-4
G-7
E-3
C631
R215
R115
C266
4
C366
C311
JW107
C177
C316
C276
C277
R113
R213
R111
E
R278
R277
Q281
JW101
C212
C112
R281
R276
R176
R380
Q380
R632
C611
3 2 1
1
8
C361 5
JW108
E
Q181
R623
R266
1
JW106
R178
C612
R613
E-5
E-6
F-3
C-5
C-4
C272
JW104
R181
R436
E
R381
1
R614
C111
IC611
IC621
IC641
IC401
IC406
IC411
IC421
IC440
R272
C172
4
C176
14
JW161
R854
C623
3 2 1
D-8
E-11
D-11
E-11
E-10
C271
R172
IC310
5
IC600
R437
L641
L611
3 2 1
5
8
C621
IC1
IC310
IC360
IC370
IC390
R271
C171
C391
JW109
C396
JW103
R624
D211
4
R171
IC370
4
R177
JW164
JW163
C641
D111
IC360
R166
C166
Q190
8
D
HP BOARD
CN790
(Page 46)
1
5
R191
1
JW105
C622
G-1
G-1
G-1
G-1
F-7
R262
R261
R161
L524
R190
R290
Q290
C536
R91
R90
R87
R88
D381
JW162
JW185
C642
D461
D462
D466
D467
D851
C265
R265
E
8
C19
R28
C505
R511
R512
R513
R514
C530
L523
C532
R164
C165
8
R291
JW153
E
JW452
7
E-3
D-6
D-1
D-1
D-5
C213
C113
R264
R263
R165
JW111
JW160
D421
D422
D431
D432
D433
C557
C553
L349
L506
L555
C555
C554
JW114
JW115
C531
3
JW110
R435
E-5
E-5
D-5
F-1
F-1
D112
C261
R163
CN390
1
JW159
R852
Q851
R162
C161
JW112
JW155
JW156
JW157
JW261
D406
D408
D409
D411
D412
C503
D212
R516
R517
5
JW158
E-7
D-2
D-2
E-2
E-2
C523
JW451
D382
R851
R856
28
R515
SP AEP,UK
D851
R853
R855
R852
JW188
3
1
L834
L552
R100
C62
C58
JW184
C87
15
C520
JW113
JW119
JW118
JW117
JW116
C89
R1090
R44
R41
JW175
R51
R53
JW154
80 81
R23
JW187
JW186
JW189
C851
E
R94
R95
R97
JW121
JW120
100
C88
D382
D401
D402
D403
D404
R212
R211
E
51
A-11
B-11
A-11
B-11
F-8
C501
R112
C550
JW131
JW139
JW138
JW137
JW136
JW135
JW134
JW133
JW132
R49
R46
R50
JW182
JW183
JW190
FB836
JW201
FB832
R55
R61
JW177
JW176
JW181
JW178
JW180
C405
JW199
JW198
JW197
JW196
JW195
JW194
JW193
C855
Q34
E
R828
R826
E
JW200
R423
JW179
JW236
JW244
Q21
D467
R425
R420
R424
D466
2
4
R92
R93
1
C853
JW237
L831
JW235
Q822
Q22
R825
R22
R822
JW238
JW241
JW240
JW202
E
E
C406
E
JW208
CN830
Q821
G
C466
R821
JW242
R21
D462
JW243
D461
FB460
R823
JW250
JW249
JW248
D411
JW246
JW245
D412
R827
R824
JW247
C461
FB465
F
Q490
JW234
C942
C941
C422
C490 C491
C416
IC411
FB410
BT406
JW232
JW233
1
2
D433
R434
C404
JW231
JW239
C412
JW253
1
3
JW228
5
JW192
JW191
R912
R911
C16
50
C100
IC406
1
FB835
D421
1 2 3
CN406
Q911
E
C411
JW210
C421
D403
C492
E
D404
D408
R491
R492
C932
JW252
11
31 30
X15
JW174
D409
IC401
FB833
D401
D402
C432
D406
R406
JW230
JW251
CN400
C401
R431
C402
JW216
L666
L662
L660
L651
L658
L653
L657
D432
C930
C931
C657
C431
JW219
JW220
JW221
JW222
JW223
JW224
JW225
JW226
JW227
C425
D422
R33
JW122
R17
D111
D112
D211
D212
D381
C502
1
D431
C651
R441
R442
R31
R40
Location
EP559
IC500 1
14
IC
D
Q440 E
R443
R432
R433
C441
L668
Q445 E
1
C423
JW213
JW212
JW218
8
JW211
1
JW169
JW170
5
C424 JW171
JW172
R421 JW173
R551
JW126
JW125
JW124
JW123
C12
R3
R4
IC421
JW209
C442
JW215
EP940
JW229
C940
IC440
C652
C658
R407
CN1
C
R9
JW168
C504
X550
C613
JW217
JW142
JW141
JW140
JW147
JW151
JW150
JW149
JW152
JW145
JW146
JW148
23
22
JW130
Ref. No.
C500
JW144
BD BOARD
CN103
(Page 40)
1
2
R552
R554
JW166
JW167
JW143
CN2
MAIN BOARD
JW127
JW128
JW129
C426
B
B
C552
IC550
F
(CHASSIS)
Location
C551
L451
CN3
12
• Semiconductor
C515
C516
C517
L450
PT BOARD
CN921
(Page 48)
11
L390
A
C
BD BOARD
CN102
(Page 40)
10
IC390
A
9
DISPLAY
BOARD
CN700 (Page 46)
L522
7
R631
6
C601
5
L551
4
C556
R556
3
2
1
There are a few cases that the part isn’t mounted in
model is printed on diagram.
1-681-740-
OUT
E
SP
IN
IN
J631
COAXIAL IN
OPTICAL
DIGITAL
KB BOARD
CN2780
(Page 46)
AEP,UK
H
J851
CONTROL
A1
45
45
L
R
ANALOG OUT
L
R
ANALOG IN J300
11
(11)
MDS-JE770
6-9. PRINTED WIRING BOARD – DISPLAY SECTION – • See page 36 for Circuit Board Location.
3
2
1
4
5
There are a few cases that the part isn’t mounted in
model is printed on diagram.
6
8
7
9
10
11
12
13
DISPLAY BOARD
S704
LP719
R715
JW726
S706
S705
H
X
JW725
A
C751
5 S713
S711
MENU/
NO
R706
C700
JW737
JW731
JW732
JW736
4
l AMS L
PUSH ENTER
CN700
JW733
S712
YES
11
(11)
1-681-741-
LP720
JW739
JW738
LP750
PC LINK
KEY BOARD
E
C742
CN720
IC740
R742
J780
JW750
R741
R1726
D726
STANDBY
JW751
R722
8
6
1
1
1-681-742-
11
(11)
46
L1790
R791
CN790
RV790
PHONE
LEVEL
3
2
L799
1
RV790
5
4
3
D
C796
Q726
L784
R726
E
MAIN
BOARD
CN390
(Page 45)
J790
PHONES
R786
Q733
L783
D733
R782
PLAY
OUT GND VCC
C743
OFF
R1733
S746
TIMER
REC
R732
LP730
JW752
E
R733
HP BOARD
L781
C740
L1782
L1786
S731
TIME
C791
LP740
S732
GROUP
SKIP
1
R796
S733
GROUP
R725
L785
KEY–SW BOARD
CN2780 6
MAIN
BOARD
CN3
(Page 45)
L1784
R723
E
R1785
S723
REPEAT
S722
PLAY MODE
S724
LEVEL/
DISPLAY/CHAR
R724
C
KB BOARD
L1783
D
MAIN
BOARD
CN830
(Page 45)
R1781
CN710
R747
1
R712
C720
JW730
S721
EJECT
1
F
2
x
D775
MDLP
S726
I/
3
R702
R703
JW734
R767
R761
JW724
R714
R716
S702
E
C
R705
R713
R721
JW727
JW728
JW729
JW723
S714
CLEAR
R704
S716
REC MODE
C760
8
S715
INPUT
R764
R762
E
C753
1
Q775
S701
REC
z
2
73
71
R775
R763
C762
C761
JW719
C769
B
JW701
M
JW735
1
S703
M
Q761
E
Q762
JW720
JW702
R770
FL750
FLUORESCENT
DISPLAY
TUBE
JW710
80
R768
R769
JW718
21
20
60
61
R766
C770
IC760
C766
JW721
JW722
41 40
C767
C768
JW709
JW708
JW707
JW706
JW705
LP710
C771
JW704
JW703
JW711
JW712
JW713
JW714
JW715
JW716
A
JW717
1-681-744-
1-681-743(CHASSIS)
11
(11)
MDS-JE770
E
51499
46
11
(11)
• Semiconductor
Location
Ref. No.
Location
D726
D733
D775
F-1
E-4
C-7
IC740
IC760
F-3
A-4
Q726
Q733
Q761
Q762
Q775
E-6
E-5
A-7
A-7
B-2
MDS-JE770
6-10. SCHEMATIC DIAGRAM – DISPLAY SECTION –
IC740
NJL74H400A
S724
LEVEL/DISPLAY/CHAR
REMOTE
R722
2.2k
R723
3.3k
R724
4.7k
R725
47k
R726
JW
CONTROL
CN700
17P
RECEIVER
S722
S723
S726
PLAY MODE
REPEAT
I/
R732
2.2k
R733
3.3k
S731
S732
S733
R741
100
C730
0.1
C742
100
10V
C743
0.01
GROUP SKIP
GROUP
KEY3
CN710
8P
CN720
8P
TIMER
POWER LED
POWER LED
P.DOWN
3.3V
3.3V
SYS 3.3
C700
22
6.3V
AC
KEY2
KEY2
GND
GND
AC
RM
RM
-32
ALBUM LED
ALBUM LED
DISPLAY.GND
KEY3
KEY3
RMC
TIMER
TIMER
FLCS
MAIN(1/2)
BOARD
CN3
FCLK
TIME
FLDT
S721
(Page43)
KEY0
S713
ENCODER
JOG0
KEY1
R742
47
TIMER
EJECT
JOG1
/PUSH ENTER
D733
SEL5821A-TP15
D726
SEL5221S-TP15
S746
AMS
R1733
220
R1726
220
STANDBY
KEY2
R714
4.7k
R715
10k
R716
33k
R712
2.2k
R713
3.3k
GROUP
R747
10k
S715
S716
S712
S714
S711
C720
0.1
REC
OFF
REC MODE
PLAY
Q726
UN4211-TA
LED DRIVE
C740
0.1
CLEAR
MENU/NO
YES
(CHASSIS)
Q733
UN4211-TA
LED DRIVE
LP740
R705
10k
R706
33k
R775
220
D775
SEL5821A-TP15
S706
S705
R704
4.7k
S704
R702
2.2k
R703
3.3k
S703
S702
S701
REC
Q775
UN4211-TA
LED DRIVE
S38
S39
S03
S02
S01
S06
S05
S04
S09
S08
S07
S12
S11
S10
S15
S14
S13
S18
S16
S17
MD LP
AD3
AD4
SEG01
SEG02
SEG03
SEG04
SEG07
SEG05
SEG06
SEG09
SEG10
SEG08
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
S19
SEG17
SEG18
C760
22
6.3V
SEG19
S20
S21
S22
S23
S24
S25
S26
S27
S28
AD1
SEG21
VDISP2
SEG22
NC
SEG23
VFL2
SEG24
P4
SEG25
P3
SEG26
P2
SEG27
P1
IC760
MSM9201-04GS-K
SEG28
S29
S30
S31
S32
S33
S34
S35
DA
SEG30
CP
SEG31
FL/LED
CS
SEG32
DRIVER
RESET
SEG33
OSCO
SEG34
OSCI
C771
0.1
R770
100
R769 100
R768 100
R767 100
R766 3.3k
C766
39p
C770
0.001
C769
0.001
C768
0.001
C767
0.1
GND
COM23
COM20
Q762
2SC2603TP-EF
FL DRIVE
R762
100
COM22
COM17
COM19
COM16
COM15
COM13
COM12
COM11
COM10
COM09
COM08
COM06
COM05
COM04
COM21
COM02
COM18
COM24
COM14
VFL1
COM01
COM07
VDISP1
COM03
G02
S36
VDD
SEG29
SEG35
G01
S37
AD2
SEG20
J780
Q761
2SC2603TP-EF
FL DRIVE
R761
100
PC LINK
(KEY BOARD)
R786
100
R764
100k
R763
100k
L784
JUMPER
R782
100
G22
G21
G20
G18
G19
G17
G15
G16
G14
G12
G13
G11
G09
G10
G08
G06
G07
G03
G04
G05
L1782
JUMPER
CN2780
6P
R1785
220
L1784
JUMPER
STBY.5V
C762
0.001
C761
0.001
L781
JUMPER
R1781
220
IIC CLK
IIC DATA
GND
MAIN(2/2)
BOARD
CN830
C753
10
50V
S34
IIC BUSY
L1783
JUMPER
L783
JUMPER
IIC POWER
L1786
JUMPER
(Page44)
S35
S31
S32
S33
S28
S29
S30
S25
S26
S27
S22
S23
S24
S19
S20
S21
S16
S17
S18
S13
S14
S15
S10
S11
S12
S07
S08
S09
S04
S05
S06
S01
S02
S03
S37
S38
S39
S36
G24
G21
G22
G23
G20
G19
G17
G18
G14
G15
G16
G11
G12
G13
G08
G09
G10
G05
G06
G07
G02
G03
G04
C751
10
50V
G01
LP730
INPUT
R791
10
C791
470p
FL750
HP(L)
FLUORESCENT
INDICATOR
L799
JW
J790
PHONES
GND
TUBE
MAIN(1/2)
BOARD
CN390
(Page43)
HP(R)
L1790
0µH
CN790
WIRE(3P)
RV790
1k/1k
R796
10
C796
470p
PHONE LEVEL
(CHASSIS)
47
47
L785
JUMPER
MDS-JE770
6-11. PRINTED WIRING BOARD – POWER SECTION – • See page 36 for Circuit Board Location.
3
2
1
There are a few cases that the part isn’t mounted in
model is printed on diagram.
4
5
6
8
7
PT BOARD
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
D910
RY910
TR950
C951
C952
TR900
EP900
CN921
A
11
6
7
5
*
8
4
LF900
1
2
B
3
C910
2
5
4
3
2
1
JW904
JW902
CN900
10
11
JW903
C901
9
C923
C924
4
1
12
1
13
LP900
CN950
EXCEPT SP
JW901
1-681-739-
VOL–SEL
BOARD
C
F
SP
MAIN BOARD
CN400
(Page 45)
AC IN
1
CN990
2
3
4
5
1-681-745-
D
11
(11)
S990
VOLTAGE SELECTOR
220–240V
110–120V
48
48
11
(11)
MDS-JE770
6-12. SCHEMATIC DIAGRAM – POWER SECTION –
MAIN
BOARD (2/2)
CN400
(Page 44)
49
49
MDS-JE770
6-13. IC BLOCK DIAGRAMS
MORFI
RFO
OPN
OPO
ADDC
COMPP
COMPO
AGCI
RF AGC
RF
PEAK
MNT1 2
48
47
46
45
44
43 42
41
40
39
38
37
MNT2 3
RF AGC
+
–
USRC
+
–
–1
EQ
OFST
CVB
A
–
+
VC
3
IVR
P-P
3T
WBL
DCHG
APC
ADFG
F0CNT
XLRF
CKRF
DTRF
APCREF
LDDR
TRDR
TFDR
DVDD
FFDR
FRDR
FS4
SRDR
SFDR
SPFD
TEST0
TEST1
TEST2
SPRD
71 ADRT
70 AVDD
69 ADIO
EACH
BLOCK
CPU I/F
XLAT 7
SRDT 8
68 VC
SERVO
DSP
PBH
–1
PBSW
36 BOTM
DQSY 12
62 CLTV
35 ABCD
33 AUX
BPFC
ABCDA
SHOCK RESISTANT
MEMORY CONTROLLER
XINT 14
32 ADFG
65 ABCD
63 PEAK
RECP 13
WBL
66 FE
64 BOTM
SUBCODE
PROCESSOR
34 FE
–
–
–
–
67 AUX1
APC
SQSY 11
BOTTOM
A/D
CONVERTER
ANALOG
MUX
XRST 10
TEMP
PEAK
AA
72 ADRB
ADIP
DEMODULATOR/
DECODER
SENS 9
–2
GRV
+
–
4
PEAK3T
3T
PTGR
GRVA
73 AVSS
SCLK 6
AUX
SW
–2
–
1
–
–2
74 SE
PLL
2
75 TE
EFM/ACIRC
ENCODER/
DECODER
J
RFA3
HLPT
EACH
BLOCK
SWDT 5
BPF3T
–1
–
–2
–
MONITOR
CONTROL
EQ
DET
1
PWM
GENERATOR
MNT3 4
RFA2
I
92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
SPINDLE
SERVO
MNT0 1
USROP
94 93
AUTO
SEQUENCER
MORFO
100 99 98 97 96 95
–
+
RFA1
TEST3
IC101 CXA2523AR (BD BOARD)
DVSS
EFMO
IC151 CXD2662R (BD BOARD)
61 FILO
60 FILI
59 PCO
TX 15
58 AVSS
OSCI 16
B
+
–
5
IVR
C
31 ADAGC
BB
IVR
OSCO 17
XTSL 18
+
+
–
–
30 ADIN
EACH
BLOCK
DIGITAL
AUDIO
I/F
DIN0 19
FEA
DIN1 20
COMP
SAMPLING
RATE
CONVERTER
57 RFI
56 BIAS
55 AVDD
54 ASYI
+
–
6
CLOCK
GENERATOR
CC
DOUT 21
DET
53 ASYO
BPF22
APC 11
D2
D0
D1
XWE
XRAS
A09
XCAS
XOE
DVSS
A11
A08
A07
A06
A05
A04
OUT1F
VM1
IN1F
IN1R
VDD
VREF
SCRI - PARA
DECODE
PGND1
+ –
OUT1R
BGR
COMMAND
–
VM12
IC141 BH6519FS-E2 (BD BOARD)
OUT2R
AUXSW
PD 10
+
25 WBLADJ
VI CONV
PGND2
3T
EQ
FBAL
GSW
A10
WBL
FF'
OUT2F
IV
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
VM2
FF
51 D3
IN2F
IVR
+
–
26 27 28 29 30
26 TE
TEA
A01
A00
ESW
+
–
TG
A02
–2
A03
–1
TESW
DVDD
EFB
9
ADDRESS/DATA BUS A00 - A11, D0 - D3
27 CSLED
EBAL
F
52 MVCI
ADDT 25
28 SE
SEA
FS256
EE'
–2
TG
IN2R
+
–
EE
PTGR
–
+
–
+
DRAM
XBCKI 24
–1
LRCK
IVR
ATRAC/ATRAC3
ENCODER/DECODER
LRCKI 23
XBCK
+
–
8
DATAI 22
DD
WBL
E
29 ADFM
DADT
IVR
ADIP
AGC
WBL
ATA
CAPA+
+
–
7
CAPA–
D
–
–
+
+
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
APCREF 12
50
AMP
AMP
INTERFACE
PSB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PSB
AMP
IN3R
AMP
IN3F
SCLK
XLAT
XSTBY
F0CNT
VREF
EQADJ
VCC
PREDRIVE
VM3
SWDT
PREDRIVE
OUT3F
TEMPR
PREDRIVE
VDD
PGND3
TEMPI
INTERFACE
PREDRIVE
INTERFACE
50
AMP
OUT3R
GND
CHARGE
PUMP.
OSC
AMP
VM34
24
OUT4R
22 23
PGND4
21
OUT4F
20
VM4
19
IN4F
18
IN4R
17
VG
16
GND
15
3TADJ
14
AMP
AMP
INTERFACE
13
MDS-JE770
IC500 AK4524 (MAIN BOARD)
VCOM
1
AINR
2
AOUTR+
AOUTR–
AOUTL+
AOUTL–
AINL
3
28
27
26
25
VREF
AGND
4
5
6
7
24 DGND
23 VD
22 VT
D/A
CONVERTER
BLOCK
A/D
CONVERTER
BLOCK
VA
TEST
XTO 8
XTI 9
XTALE 10
LRCK
BICK
SDTO
SDTI
11
12
13
14
CLOCK
GENERATOR
& DIVIDER
21 CLKO
20 M/S
19 PD
H.P.F.
D-ATT
AUDIO
INTERFACE
CONTROLLER
18
17
16
15
CONTROL
REGISTER
INTERFACE
D-ATT,
S-MUTE
CIF
CS
CCLK
CDTI
IC440 M54641L (MAIN BOARD)
VCC 1
OUT2 2
REG
8 VCC
IN1 3
INPUT
AMP.
CONTROL
POWER AMP.
INPUT
AMP.
7 OUT1
POWER AMP.
6 IN2
5 VZ
GND 4
IC421 M5293L (MAIN BOARD)
GND
2
5k
5
REFERENCE
VOLTAGE
3
VOUT
27k
+
ON/OFF
4
REFERENCE
VOLTAGE
–
OVERHEAT
PROTECTION
VIN
OVERCURRENT
LIMITTER
1
51
MDS-JE770
6-14. IC PIN FUNCTION DESCRIPTION
• IC101 CXA2523AR RF Amplifier (BD BOARD)
Pin No.
Pin Name
I-V converted RF signal I input
J
I
I-V converted RF signal J input
VC
O
Middle point voltage (+1.5V) generation output
A to F
I
Signal input from the optical pick-up detector
I
2
3
4-9
10
PD
I
Light amount monitor input
11
APC
O
Laser APC output
12
APCREF
I
Reference voltage input for setting laser power
13
GND
14
TEMPI
I
Temperature sensor connection
15
TEMPR
O
Reference voltage output for the temperature sensor
16
SWDT
I
Serial data input from the CXD2662R
17
SCLK
I
Serial clock input from the CXD2662R
18
XLAT
I
Latch signal input from the CXD2662R “L”: Latch
19
XSTBY
I
Stand by signal input “L”: Stand by
20
F0CNT
I
Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2662R
21
VREF
O
Reference voltage output (Not used)
22
EQADJ
I
Center frequency setting pin for the internal circuit EQ
23
3TADJ
I
Center frequency setting pin for the internal circuit BPF3T
24
Vcc
I
+3V power supply
25
WBLADJ
I
Center frequency setting pin for the internal circuit BPF22
26
TE
O
Tracking error signal output to the CXD2662R
27
CSLED
—
External capacitor connection pin for the sled error signal LPF
28
SE
O
Sled error signal output to the CXD2662R
29
ADFM
O
FM signal output of ADIP
30
ADIN
I
ADIP signal comparator input ADFM is connected with AC coupling
31
ADAGC
—
External capacitor connection pin for AGC of ADIP
32
ADFG
O
ADIP duplex signal output to the CXD2662R
33
AUX
O
I3 signal/temperature signal output to the CXD2662R
34
FE
O
Focus error signal output to the CXD2662R
35
ABCD
O
Light amount signal output to the CXD2662R
36
BOTM
O
RF/ABCD bottom hold signal output to the CXD2662R
37
PEAK
O
RF/ABCD peak hold signal output to the CXD2662R
38
RF
O
RF equalizer output to the CXD2662R
39
RFAGC
—
External capacitor connection pin for the RF AGC circuit
40
AGCI
I
Input to the RF AGC circuit
41
COMPO
O
User comparator output (Not used)
42
COMPP
I
User comparator input (Fixed at “L”)
43
ADDC
—
External capacitor pin for cutting the low band of the ADIP amplifier
44
OPO
O
User operation amplifier output (Not used)
45
OPN
I
User operation amplifier inversion input (Fixed at “L”)
46
RFO
O
RF amplifier output
47
MORFI
I
Groove RF signal is input with AC coupling
MORFO
O
Groove RF signal output
48
• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control
52
Description
I/O
I
1
—
Ground
The RF amplifier output is input with AC coupling
MDS-JE770
• IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD BOARD)
Pin No.
Pin Name
I/O
Desription
1
MNT0 (FOK)
O
Not used (open)
2
MNT1 (SHCK)
O
Track jump detection signal output to the system control
3
MNT2 (XBUSY)
O
In the state of executire command signal output
4
MNT3 (SLOC)
O
Not used (open)
5
SWDT
I
Writing data signal input from the system control
6
SCLK
I (S)
Serial clock signal input from the system control
7
XLAT
I (S)
Serial latch signal input from the system control
8
SRDT
O (3)
Reading data signal output to the system control
9
SENS
O (3)
Internal status (SENSE) output to the system control
10
XRST
I (S)
Reset signal input from the system control “L”: Reset
11
SQSY
O
12
DQSY
O
13
RECP
I
Laser power switching input from the system control “H”: Recording, “L”: Playback
14
XINT
O
Interrupt status output to the system control
15
TX
O
Recording data output enable input from the system control
16
OSCI
I
System clock input (512Fs=22.5792 MHz)
17
OSCO
O
System clock output (512Fs=22.5792 MHz) (Not used)
18
XTSL
I
System clock frequency setting
19
DIN0
I
Digital audio input (Optical input)
20
DIN1
I
Digital audio input (Optical input) (Not used)
21
DOUT
O
Digital audio output (Optical output) (Not used)
22
DADTI
I
Serial data input
23
LRCKI
I
LR clock input
24
XBCKI
I
Serial data clock input
25
ADDT
I
Data input from the A/D converter
26
DADT
O
Data output to the D/A converter
27
LRCK
—
LR clock output for the A/D and D/A converter (44.1 kHz)
28
XBCK
O
Bit clock output to the A/D and D/A converter (2.8224 MHz)
29
FS256
O
11.2896 MHz clock output (Not used)
30
DVDD
I
+3V power supply (Digital)
A03 to A00
O
DRAM address output
A10
O
DRAM address output (Not used)
A04 to A08
O
DRAM address output
41
A11
O
DRAM address output (Not used)
42
DVSS
—
Ground (Digital)
43
XOE
O
Output enable output for DRAM
44
XCAS
O
CAS signal output for DRAM
45
A09
O
Address output for DRAM
46
XRAS
O
RAS signal output for DRAM
47
XWE
O
Write enable signal output for DRAM
31 - 34
35
36 - 40
Subcode Q sync (SCOR) output to the system control
“L” is output every 13.3 msec. Almost all, “H” is output
Digital In U-bit CD format or MD format subcode Q sync (SCOR) output to the system
control
“L”: 45.1584 MHz, “H”: 22.5792 MHz (Fixed at “H”)
“H” : Lch, “L” : R ch
* I (S) stands for Schmidt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O
53
MDS-JE770
Pin No.
Pin Name
Description
I/O
48
D1
I/O
49
D0
I/O
Data input/output for DRAM
50, 51
D2, D3
I/O
52
MVCI
I (S)
53
ASYO
O
54
ASYI
I (A)
55
AVDD
I
56
BIAS
I (A)
Playback EFM comparator bias current input
57
RFI
I (A)
Playback EFM RF signal input
58
AVSS
—
59
PCO
O (3)
Phase comparison output for the recording/playback EFM master PLL
60
FILI
I (A)
Filter input for the recording/playback EFM master PLL
61
FILO
O (A)
Filter output for the recording/playback EFM master PLL
62
CLTV
I (A)
Internal VCO control voltage input for the recording/playback EFM master PLL
63
PEAK
I (A)
Light amount signal peak hold input from the CXA2523AR
64
BOTM
I (A)
Light amount signal bottom hold input from the CXA2523AR
65
ABCD
I (A)
Light amount signal input from the CXA2523AR
66
FE
I (A)
Focus error signal input from the CXA2523AR
67
AUX1
I (A)
Auxiliary A/D input
68
VC
I (A)
Middle point voltage (+1.5V) input from the CXA2523AR
69
ADIO
O (A)
Monitor output of the A/D converter input signal (Not used)
70
AVDD
I
71
ADRT
I (A)
A/D converter operational range upper limit voltage input (Fixed at “H”)
72
ADRB
I (A)
A/D converter operational range lower limit voltage input (Fixed at “L”)
73
AVSS
74
SE
I (A)
Sled error signal input from the CXA2523AR
75
TE
I (A)
Tracking error signal input from the CXA2523AR
76
DCHG
I (A)
Connected to +3V power supply
77
TEST4
I
78
ADFG
I (S)
79
F0CNT
O
Filter f0 control output to the CXA2523AR
80
XLRF
O
Control latch output to the CXA2523AR
81
CKRF
O
Control clock output to the CXA2523AR
82
DTRF
O
Control data output to the CXA2523AR
83
APCREF
O
Reference PWM output for the laser APC
84
TEST0
O
PWM output for the laser digital APC (Not used)
85
TRDR
O
Tracking servo drive PWM output (–)
• Abbreviation
EFM: Eight to Fourteen Modulation
PLL : Phase Locked Loop
VCO: Voltage Controlled Oscillator
54
—
Clock input from an external VCO (Fixed at “L”)
Playback EFM duplex signal output
Playback EFM comparator slice level input
+3V power supply (Analog)
Ground (Analog)
+3V power supply (Analog)
Ground (Analog)
Test input (Fixed at “H”)
ADIP duplex FM signal input from the CXA2523AR (22.05 ± 1 kHz)
MDS-JE770
Pin No.
Pin Name
86
TFDR
87
I/O
Description
O
Tracking servo drive PWM output (+)
DVDD
I
+3V power supply (Digital)
88
FFDR
O
Focus servo drive PWM output (+)
89
FRDR
O
Focus servo drive PWM output (–)
90
FS4
O
176.4 kHz clock signal output (X’tal) (Not used)
91
SRDR
O
Sled servo drive PWM output (–)
92
SFDR
O
Sled servo drive PWM output (+)
93
SPRD
O
Spindle servo drive PWM output (–)
94
SPFD
O
Spindle servo drive PWM output (+)
95
FGIN
I (S)
96 - 98
TEST1 to TEST3
Test input (Fixed at “L”)
I
99
DVSS
—
Ground (Digital)
100
EFMO
O
EFM output when recording
• Abbreviation
EFM: Eight to Fourteen Modulation
55
MDS-JE770
• IC1 M30803MG-106FP SYSTEM CONTROL (MAIN BOARD)
Pin No.
I/O
Description
1
FLDT
O
Serial data signal output to the display driver.
2
FLCK
O
Serial clock signal output to the display driver. L: Active
3
A1-IN
I
A1 Control input.
I
Remote control input.
4
5-7
56
Pin Name
SIRCS
NC
—
I
Not used.
8
BYTE
9
CNVSS
10
XIN-T
I
Not used . (open)
11
XOUT-T
O
Not used . (open)
12
S.RST
I
System rest input. L : reset
13
XOUT
O
Main clock output. (10MHz)
14
GND
—
Ground.
15
XIN
I
Main clock input. (10MHz)
16
VCC
I
Power supply. (+3.3V)
17
NMI
I
Fixed at H.
18
DQSY
I
Digital In U-bit format or MD format subcode Q sync (SCOR) input to CXD2662R.
19
P.DOWN
I
Power down detection input. L: Power down
20
SQSY
I
Subcode Q (SCOR) sync input from CXD2662R.
21
KB.CLK
O
Keyboard clock output.
22
KB.DATA
I
Keyboard data output.
23
IIC BUSY
I
IIC busy signal input.
24
A1 OUT
O
A1 control signal output.
25
XINIT
I
Interrupt status input from CXD2662R.
26
*BEEP
O
Not used. (open)
27
LRCKI
O
Not used. (open)
28
IIC POWER
O
IIC start-up check.
29
IIC CLK
O
IIC serial clock output.
30
IIC DATA
I/O
31
SWDT
O
Writing data signal output to CXD2662R and AK4524.
32
SRDT
I
Reading data signal input from CXD2662R.
33
SCLK
O
Clock signal output to CXD2662R and AK4524.
34
KB.CLK-CTRL
O
Keyboard clock ON/OFF signal output.
35
CLIP-TX
O
Not used. (open)
—
Data bus changed input. (Connected to ground.)
Ground.
IIC serial data input/output.
36
CLIP-RX
I
Not used. (open)
37
XBCK1
O
Not used. (open)
38
MUTE
O
Line out muting output. L: Mute
39
ADA.RESET
O
Reset signal output to the AK4524. L: Active
MDS-JE770
Pin No.
Pin Name
I/O
Description
40
ADA. LATCH
O
41
EPN
I
42
L : DINT1/H : CLIP
—
Not used. (open)
43
NC
—
Not used.
44
PROTECT
I
Recording-protection claw detection input from the protection detection switch. H: Protect
45
SCL
O
Clock signal output to the EEP-ROM.
46
CE
I
Not used. (Fixed at H)
47
EEP-WP
O
EEP-ROM write protect signal output. L: write possibility
48
XBUSY
I
Busy signal input from the CXD2662R
49
OUT-SW
I
Detection signal input from the loading out detection switch.
50
XLATCH
O
Latch signal output to CXD2662R.
51
PLAY-SW
I
Detection signal input from the playback position detection switch. L: PLAY
52
DIG-RST
O
Digital rest signal output to the CXD2662R and motor driver. L: Reset
53
REC-SW
I
Detection signal input from the recording position detection switch. L: REC
54
WR PWR
O
Laser power ON/OFF signal output. L: PLAY H: REC
55
LIMIT-IN
I
Detection input from the limit switch. L: Sled limit-In H: Sled limit-Out
56
MOD
O
Laser modulation switching signal output. (L: STOP, H : PLAY, pluse : REC)
57
LDON
O
Laser ON/OFF control output. H: Laser ON
58
SENS
I
Internal status (SENSE) input from the CXD2662R.
59
SHOCK
I
Track jump signal input from the CXD2662R.
60
SDA
61
REFLECT
I/O
Chip select signal output to the AK4524. L: Active
Not used. (Fixed at L)
Data signal input/output pin with the EEP-ROM.
I
Disk reflection rate detection input from the reflect detection switch. H: Disk with low reflection rate.
I
Power supply. (+3.3V)
62
VCC
63
NC
—
Not used.
64
GND
—
Ground.
65
LOAD LO
O
Loading motor voltage control output
66
LOAD OUT
O
Loading motor control output. H: eject
67
LOAD IN
O
Loading motor control output. H: loading
68 - 71
MODEL SEL 0 - 3
—
Not used.
72 - 80
NC
—
Not used.
57
MDS-JE770
Pin No.
81
Pin Name
I/O
Description
STB
O
Strobe signal output to the power supply circuit. H: Power supply ON: L: standby
82
BEEP SW
—
Not used.
83
REC
—
Not used.
84
FLCS
O
Chip select signal output to the MSM9202 (IC760)
85, 86
D.VOL0,1
—
Not used.
87, 88
JOG0, JOG1
I
Jog dial pulse input from the rotary encoder.
89
IOP
I
Optical Pick-up voltage (current) detect signal input.
90
DISTINATION
I
Model discrimination.
91
MODEL SEL
I
Model discrimination.
92
TIMER
I
Timer select signal input
93
KEY3
I
Key input pin (A/D input)
KEY2, 1
I
Key input pin (A/D input)
94, 95
96
58
AVSS
—
Ground. (Analog)
97
KEY0
I
Key input pin (A/D input)
98
VREF
I
A/D reference voltage.
99
AVCC
I
Power supply. (+3.3V)
100
NC
I
Not used. (Fixed at L)
MDS-JE770
• IC760 MSM9201-04GS-K FL DRIVER (DISPLAY BOARD)
Pin No.
Pin Name
I/O
Description
Fluorescent display tube (FL760) anode electrode drive
1, 2
AD3, AD4
O
3-37
SEG1-35
O
Fluorescent display tube (FL760) segment electrode drive
38
VDISP1
I
Power supply for fluorescent display tube (FL760) drive
Fluorescent display tube (FL760) grid electrode drive
39-62
COM1-24
O
63
VFL1
I
64
GND
—
65
OSC0
I
66
OSC1
O
Output for CR oscillation
67
RESET
I
Reset input
68
CS
I
Chip select signal input from system controller (IC1)
69
CP
I
Shift clock signal input from system controller (IC1)
70
DA
I
Serial data signal input from system controller (IC1)
71
VDD
I
Power supply
72
P1
O
LED drive signal output
73
P2
O
LED drive signal output
74
P3
O
LED drive signal output Not used in this set (NC)
75
P4
O
LED drive signal output
76
VFL2
I
77
NC
78
VDISP2
I
Power supply for fluorescent display tube (FL760) drive
AD3, AD4
O
Fluorescent display tube (FL760) anode electrode drive
79, 80
—
Power supply for fluorescent display tube (FL760) drive
Ground
Input for CR oscillation
Power supply for fluorescent display tube (FL760) drive
Not used
59
MDS-JE770
SECTION 7
EXPLODED VIEWS
NOTE:
• -XX, -X mean standardized parts, so they may
have some differences from the original one.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
• The mechanical parts with no reference number
in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE)• • • (RED)
↑
↑
Parts color Cabinet's color
• Abbreviation
SP : Singapore model
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
7-1. CHASSIS SECTION
15
15
16
Mechanism section
(MDM-7A)
8
8
#1
14
9
17
15
7
SP
10
7
12
8
7 6 6
7 5
8
4
UK
#1
#1
#1
TR900
17
13 11
18
#1
#1
#1
SP
not
supplied
3
not
supplied
2
2
not
supplied
#1
not
supplied
#1
Front panel section
#1
1
1
#1
Ref. No.
Part No.
Description
1
2
3
3
3
X-4953-448-1
4-232-237-01
4-233-025-61
4-233-025-81
4-236-047-11
FOOT ASSY
FOOT (DIA. 30)
PANEL, BACK (AEP)
PANEL, BACK (SP)
PANEL, BACK (UK)
4
5
6
7
8
9-910-999-31
1-681-739-11
4-221-887-11
4-228-689-01
4-228-643-11
RIVET (DIA. 3), NYLON
PT BOARD
SCREW, +PTTWH (M3) (S) TITE
INSULATOR
SCREW (+BVTTWH M3), STEP
9
10
* 11
0 12
1-792-811-11
1-757-928-11
3-703-244-00
1-777-071-41
WIRE (FLAT TYPE) (23 CORE)
WIRE (FLAT TYPE) (27 CORE)
BUSHING (2104), CORD
CORD, POWER
60
Remarks
Ref. No.
Part No.
Description
Remarks
13
A-2007-925-A MAIN BOARD, COMPLETE (AEP,UK)
13
15
15
16
A-2007-931-A
1-569-972-21
4-210-291-01
4-210-291-11
4-232-149-31
MAIN BOARD, COMPLETE (SP)
SOCKET, SHORT 2P
SCREW (CASE 3 TP2)...(BLACK)
SCREW (CASE 3 TP2)...(SILVER)
CASE (408226)...(BLACK)
16
0 17
017
18
0 TR900
4-232-580-31
1-569-008-21
1-770-019-11
1-681-745-11
1-437-339-11
CASE (408226)...(SILVER)
ADAPTOR, CONVERSION (SP)
ADAPTOR, CONVERSION PLUG 3P (UK)
VOL-SEL BOARD (SP)
TRANSFORMER, POWER (AEP,UK)
0 TR900
1-437-340-11 TRANSFORMER, POWER (SP)
* 14
MDS-JE770
7-2. FRONT PANEL SECTION
54
not supplied
58
supplied with J790
supplied
with RV790
59 54
54
FL750
54
55
52
63
54
54
54
53
56
61
54
54
62
not
supplied
60
57
51
64
Ref. No.
Part No.
Description
51
51
52
52
53
X-4953-713-1
X-4953-714-1
3-931-378-01
3-931-378-31
1-681-744-11
PANEL ASSY, FRONT...(BLACK)
PANEL ASSY, FRONT...(SILVER)
KNOB (F10)...(BLACK)
KNOB (F10)...(SILVER)
KB BOARD
54
55
56
57
57
4-951-620-01
1-681-743-11
4-228-630-01
4-228-629-81
4-230-848-21
SCREW (2.6X8), +BVTP
HP BOARD
SPRING (LID), TENSION COIL
LID (MD)...(BLACK)
LID (MD)...(SLVER)
58
4-971-774-01 KNOB (TIMER)...(BLACK)
65
Remarks
Ref. No.
Part No.
Description
58
59
60
60
4-971-774-31
1-681-742-11
A-2007-926-A
A-2007-932-A
KNOB (TIMER)...(SILVER)
KEY-SW BOARD
DISPLAY BOARD, COMPLETE (AEP,UK)
DISPLAY BOARD, COMPLETE (SP)
* 61
* 62
63
64
64
4-955-901-01
4-996-686-01
1-757-930-11
4-231-928-01
4-231-928-11
CUSHION (FL)
HOLDER (FL)
WIRE (FLAT TYPE) (17 CORE)
KNOB (AMS)...(BLACK)
KNOB (AMS)...(SILVER)
65
FL750
3-354-981-11 SPRING (SUS), RING
1-517-987-11 INDICATOR TUBE, FLUORESCENT
Remarks
61
MDS-JE770
7-3. MECHANISM SECTION-1
(MDM-7A)
312
313
311
314
310
319
315
309
316
#2
305
317
304
305
308
303
318
306
302
307
320
302
301
Ref. No.
Part No.
Description
* 301
302
303
304
305
4-996-267-01
4-231-319-01
4-227-007-01
4-227-025-01
3-372-761-01
BASE (BU-D)
SCREW (2X6) CZN, +B (P) TRI
GEAR (SB)
BELT (LOADING)
SCREW (M1.7), TAPPING
311
312
313
314
315
4-231-118-01
4-227-019-02
4-227-013-01
4-226-995-01
4-226-996-01
SPRING (HOLDER), TENSION
PLATE (HOLDER) ASSY, RETAINER
SPRING (EJ), TENSION
SLIDER (EJ)
LIMITTER (EJ)
306
307
308
309
310
4-227-002-01
4-226-999-01
X-4952-665-1
A-4672-990-F
4-229-533-01
GEAR, PULLEY
LEVER (HEAD)
SPRING (SHT) ASSY, LEAF
LOCK (HOLDER)
SPRING (STOPPER), TORSION
316
317
318
319
320
4-226-997-04
4-226-998-01
4-227-006-01
A-4735-075-A
4-226-994-01
SLIDER
LEVER (CHG)
GEAR (SA)
HOLDER ASSY
GUIDE (L)
62
Remarks
Ref. No.
Part No.
Description
Remarks
MDS-JE770
7-4. MECHANISM SECTION-2
(MDM-7A)
HR901
359
358
360
#3
356 364
357
355
367
362
#3
359 362
354
353
368
353
352
352
S102
M101
365
363
366
M102
361
351
not supplied
353
353
M103
352
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Ref. No.
Part No.
Description
351
352
353
354
355
A-4725-471-A
4-231-319-01
3-372-761-01
4-226-993-01
4-227-014-01
BD BOARD, COMPLETE
SCREW (2X6) CZN, +B (P) TRI
SCREW (M1.7), TAPPING
RACK
SPRING (RACK), COMPRESSION
356
357
0 358
359
360
4-226-992-01
1-678-514-11
A-4672-541-A
4-988-560-01
4-996-265-01
BASE, SL
FLEXIBLE BOARD
OPTICAL PICK-UP KMS-260E
SCREW (+P 1.7X6)
SHAFT, MAIN
361
4-226-989-01 CHASSIS
Remarks
Ref. No.
Part No.
Description
Remarks
362
363
364
365
4-232-270-01
4-226-990-01
4-227-023-01
4-227-004-01
SCREW (1.7X3.5), +PWH
BASE (BU-A)
SPRING (SPINDLE), TORSION
GEAR (LC)
366
367
368
HR901
M101
4-227-005-01
4-227-009-01
4-227-008-01
1-500-670-11
A-4672-898-A
GEAR (LD)
GEAR (SD)
GEAR (SC)
HEAD, OVER LIGHT
MOTOR ASSY, SPINDLE
M102
M103
S102
A-4735-076-A MOTOR ASSY, SLED
A-4735-074-A MOTOR ASSY, LOADING
1-771-957-11 SWITCH, PUSH (2 KEY) (REFLECT/PROTECT SW)
63
MDS-JE770
BD
Ref. No.
Part No.
Description
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
• CAPACITORS:
uF: µF
• RESISTORS
All resistors are in ohms.
METAL: metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F: nonflammable
Ref. No.
Part No.
SECTION 8
ELECTRICAL PARTS LIST
Remarks
•
•
•
Part No.
COILS
uH: µH
SEMICONDUCTORS
In each case, u: µ, for example:
uA...: µA... , uPA... , µPA... ,
uPB... , µPB... , uPC... , µPC... ,
uPD..., µPD...
Abbreviation
SP
: Singapore model
Description
Remarks
A-4725-471-A BD BOARD, COMPLETE
*****************
<CAPACITOR>
C101
C102
C103
C104
C105
1-135-259-11
1-135-259-11
1-162-970-11
1-164-227-11
1-115-416-11
TANTAL.CHIP
TANTAL.CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
10uF
10uF
0.01uF
0.022uF
0.001uF
20%
20%
10%
10%
5%
6.3V
6.3V
25V
25V
25V
C106
C107
C108
C109
C110
1-162-970-11
1-162-970-11
1-162-969-11
1-164-677-11
1-163-038-00
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.01uF
0.01uF
0.0068uF
0.033uF
0.1uF
10%
10%
10%
10%
25V
25V
25V
16V
25V
C111
C112
C113
C114
C115
1-117-720-11
1-110-563-11
1-162-968-11
1-125-837-11
1-162-966-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
4.7uF
0.068uF
0.0047uF
1uF
0.0022uF
C116
C117
C118
C119
C120
1-164-227-11
1-162-970-11
1-165-176-11
1-165-176-11
1-164-156-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.022uF
0.01uF
0.047uF
0.047uF
0.1uF
C121
C125
C128
C131
C132
1-164-156-11
1-117-720-11
1-164-156-11
1-117-720-11
1-164-156-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
4.7uF
0.1uF
4.7uF
0.1uF
C133
C141
C142
C143
C144
1-164-156-11
1-126-206-11
1-164-156-11
1-164-156-11
1-162-970-11
CERAMIC CHIP
ELECT CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
100uF
0.1uF
0.1uF
0.01uF
C145
C151
C152
C153
C154
1-164-156-11
1-117-370-11
1-164-156-11
1-164-156-11
1-126-206-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
ELECT CHIP
0.1uF
10uF
0.1uF
0.1uF
100uF
C155
C156
C157
C158
C159
1-164-156-11
1-164-156-11
1-164-156-11
1-162-927-11
1-162-927-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
0.1uF
0.1uF
100PF
100PF
64
Ref. No.
10%
10%
10%
10%
10%
10%
10%
10%
10V
16V
50V
6.3V
50V
25V
25V
16V
16V
25V
25V
10V
25V
10V
25V
10%
25V
6.3V
25V
25V
25V
20%
25V
10V
25V
25V
6.3V
5%
5%
25V
25V
25V
50V
50V
20%
Ref. No.
Description
Remarks
When indicating parts by reference number,
please include the board name.
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Part No.
Description
Remarks
C160
C161
C162
C163
C164
1-162-927-11
1-162-970-11
1-162-970-11
1-125-891-11
1-162-927-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
100PF
0.01uF
0.01uF
0.47uF
100PF
5%
10%
10%
10%
5%
50V
25V
25V
10V
50V
C165
C166
C167
C169
C171
1-162-968-11
1-125-891-11
1-164-245-11
1-164-156-11
1-164-156-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.0047uF 10%
0.47uF
10%
0.015uF 10%
0.1uF
0.1uF
50V
10V
25V
25V
25V
C172
C180
C181
C182
C183
1-164-156-11
1-117-370-11
1-126-206-11
1-163-038-00
1-164-156-11
CERAMIC CHIP
CERAMIC CHIP
ELECT CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
10uF
100uF
0.1uF
0.1uF
25V
10V
6.3V
25V
25V
C184
C185
C191
C192
C193
1-117-970-11
1-131-872-11
1-126-206-11
1-164-156-11
1-126-206-11
ELECT CHIP
CERAMIC CHIP
ELECT CHIP
CERAMIC CHIP
ELECT CHIP
22uF
1000PF
100uF
0.1uF
100uF
C194
C195
C196
C1401
1-164-156-11
1-164-156-11
1-164-156-11
1-117-720-11
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
0.1uF
0.1uF
4.7uF
20%
20%
10%
20%
20%
<CONNECTOR>
CN101
CN102
CN103
* CN104
CN105
1-766-833-21
1-784-835-21
1-784-834-21
1-580-055-21
1-784-859-21
CONNECTOR, FFC/FPC (ZIF) 21P
CONNECTOR, FFC (LIF(NON-ZIF)) 27P
CONNECTOR, FFC (LIF(NON-ZIF)) 23P
PIN, CONNECTOR (SMD) 2P
CONNECTOR, FFC (LIF(NON-ZIF)) 7P
<DIODE>
D101
D181
D183
8-719-988-61 DIODE 1SS355TE-17
8-719-080-81 DIODE FS1J6
8-719-080-81 DIODE FS1J6
<IC>
IC101
IC102
IC141
IC151
IC153
8-752-080-95
8-759-473-51
8-759-836-79
8-752-404-64
8-759-671-27
IC
IC
IC
IC
IC
CXA2523AR
TLV2361CDBV
BH6519FS-E2
CXD2662R
MSM51V4400E-70TS-K
IC171
IC181
8-759-096-87 IC TC7WU04FU(TE12R)
8-759-481-17 IC MC74ACT08DTR2
10V
630V
6.3V
25V
6.3V
25V
25V
25V
10V
MDS-JE770
BD
Ref. No.
IC190
IC195
Part No.
Description
Remarks
Part No.
Description
R116
R117
R118
R119
R120
1-216-839-11
1-216-837-11
1-218-855-11
1-218-863-11
1-218-889-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
33K
22K
2.2K
4.7K
56K
5%
5%
0.5%
0.5%
0.5%
1/16W
1/16W
1/16W
1/16W
1/16W
R121
R122
R123
R124
R125
1-218-863-11
1-218-855-11
1-216-819-11
1-216-809-11
1-216-815-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
4.7K
2.2K
680
100
330
0.5%
0.5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R126
R127
R128
R129
R130
1-216-819-11
1-216-845-11
1-219-724-11
1-216-298-00
1-216-829-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
680
100K
1
2.2
4.7K
5%
5%
1%
5%
5%
1/16W
1/16W
1/4W
1/10W
1/16W
R131
R132
R133
R134
R135
1-216-833-11
1-216-841-11
1-216-821-11
1-216-821-11
1-216-821-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
10K
47K
1K
1K
1K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R136
R138
R150
R151
R154
1-216-295-91
1-216-833-11
1-216-833-11
1-216-833-11
1-216-833-11
SHORT
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
0
10K
10K
10K
10K
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
R155
R156
R157
R158
R159
1-216-864-11
1-216-864-11
1-216-809-11
1-216-809-11
1-216-833-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
0
0
100
100
10K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
<TRANSISTOR>
R160
R161
R163
R164
R165
1-216-833-11
1-216-833-11
1-216-809-11
1-216-809-11
1-216-809-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
10K
10K
100
100
100
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
8-759-460-72 IC BA033FP-E2
8-759-640-41 IC BR24C08F-E2
<JUMPER RESISTOR>
JW201
JW202
JW203
JW903
JW904
1-216-295-91
1-216-295-91
1-216-295-91
1-216-295-91
1-216-295-91
SHORT
SHORT
SHORT
SHORT
SHORT
0
0
0
0
0
Ref. No.
Remarks
<COIL>
L101
L102
L103
L105
L106
1-500-245-11
1-500-245-11
1-500-245-11
1-414-235-22
1-500-245-11
FERRITE
FERRITE
FERRITE
FERRITE
FERRITE
0uH
0uH
0uH
0uH
0uH
L121
L122
L131
L141
L142
1-500-245-11
1-500-245-11
1-500-245-11
1-216-296-91
1-216-296-91
FERRITE
0uH
FERRITE
0uH
FERRITE
0uH
CONDUCTOR CHIP
CONDUCTOR CHIP
L143
L144
L145
L146
L147
1-216-296-91
1-216-296-91
1-216-296-91
1-469-855-21
1-469-855-21
CONDUCTOR CHIP
CONDUCTOR CHIP
CONDUCTOR CHIP
FERRITE
0uH
FERRITE
0uH
L161
L171
L180
L181
L182
1-500-245-11
1-500-245-11
1-469-855-21
1-469-855-21
1-500-245-11
FERRITE
FERRITE
FERRITE
FERRITE
FERRITE
L183
L184
1-216-296-11 SHORT
1-216-296-11 SHORT
0
0
0
0
0
0uH
0uH
0uH
0uH
0uH
0
0
Q101
Q121
Q122
Q131
Q132
8-729-403-35
8-729-403-35
8-729-101-07
8-729-026-53
8-729-903-10
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
UN5113-TX
UN5113-TX
2SB798-T1DK
2SA1576A-T106-QR
FMW1-T-148
R167
R168
R169
R170
R171
1-216-833-11
1-216-845-11
1-216-855-11
1-216-827-11
1-216-821-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
10K
100K
680K
3.3K
1K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
Q133
Q134
Q181
Q182
8-729-402-93
8-729-402-93
8-729-018-75
8-729-017-65
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
UN5214-TX
UN5214-TX
2SJ278MYTR
2SK1764KYTR
R173
R174
R175
R176
R179
1-216-821-11
1-216-811-11
1-216-857-11
1-216-809-11
1-216-295-91
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
SHORT
1K
150
1M
100
0
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
R181
R182
R183
R184
R185
1-216-841-11
1-216-841-11
1-216-841-11
1-220-942-11
1-220-942-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
47K
47K
47K
3.3
3.3
5%
5%
5%
1%
1%
1/16W
1/16W
1/16W
1/4W
1/4W
R195
R196
R197
R218
1-216-833-11
1-216-833-11
1-216-833-11
1-216-864-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
10K
10K
10K
0
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
<RESISTOR>
R101
R102
R103
R104
R105
1-216-829-11
1-216-853-11
1-216-863-11
1-216-853-11
1-216-825-11
METAL CHIP
METAL CHIP
RES-CHIP
METAL CHIP
METAL CHIP
4.7K
470K
3.3M
470K
2.2K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R106
R107
R108
R109
R110
1-216-825-11
1-216-825-11
1-216-833-11
1-216-845-11
1-216-845-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
2.2K
2.2K
10K
100K
100K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R111
R112
R113
R114
R115
1-216-833-11
1-216-829-11
1-216-833-11
1-216-827-11
1-216-833-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
10K
4.7K
10K
3.3K
10K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
<SWITCH>
S101
S103
S104
S105
1-762-596-21
1-771-956-21
1-771-955-21
1-771-955-21
SWITCH, PUSH (1 KEY) (LIMIT IN SW)
SWITCH, PUSH (1 KEY) (OUT SW)
SWITCH, PUSH (1 KEY) (PLAY SW)
SWITCH, PUSH (1 KEY) (REC SW)
******************************************************
65
MDS-JE770
DISPLAY HP
Ref. No.
Part No.
KB
KEY-SW
Description
Remarks
A-2007-926-A DISPLAY BOARD, COMPLETE (AEP,UK)
A-2007-932-A DISPLAY BOARD, COMPLETE (SP)
Ref. No.
R775
Part No.
***********************
*
*
<CAPACITOR>
1-126-153-11
1-164-159-11
1-124-261-00
1-124-261-00
1-126-153-11
ELECT
CERAMIC
ELECT
ELECT
ELECT
22uF
0.1uF
10uF
10uF
22uF
20%
C761
C762
C766
C767
C768
1-162-294-31
1-162-294-31
1-162-213-31
1-164-159-11
1-162-294-31
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.001uF
0.001uF
39PF
0.1uF
0.001uF
10%
10%
5%
C769
C770
C771
1-162-294-31 CERAMIC
1-162-294-31 CERAMIC
1-164-159-11 CERAMIC
0.001uF
0.001uF
0.1uF
10%
10%
20%
20%
20%
10%
Remarks
220
5%
1/4W F
<SWITCH>
4-955-901-01 CUSHION (FL)
4-996-686-01 HOLDER (FL)
C700
C720
C751
C753
C760
Description
1-249-409-11 CARBON
6.3V
50V
50V
50V
6.3V
50V
50V
50V
50V
50V
S701
S702
S703
S704
S705
1-762-875-21
1-762-875-21
1-762-875-21
1-762-875-21
1-762-875-21
S706
S711
S712
S713
1-762-875-21
1-762-875-21
1-762-875-21
1-475-235-21
SWITCH, KEYBOARD (REC z )
SWITCH, KEYBOARD ( x )
SWITCH, KEYBOARD ( M )
SWITCH, KEYBOARD ( m )
SWITCH, KEYBOARD ( X )
S714
SWITCH, KEYBOARD ( G )
SWITCH, KEYBOARD (MENU/NO)
SWITCH, KEYBOARD (YES)
ENCODER, ROTARY ( l AMS L /PUSH
ENTER)
1-762-875-21 SWITCH, KEYBOARD (CLEAR)
S715
S716
S721
1-762-875-21 SWITCH, KEYBOARD (INPUT)
1-762-875-21 SWITCH, KEYBOARD (REC MODE)
1-762-875-21 SWITCH, KEYBOARD (EJECT A )
******************************************************
50V
50V
50V
1-681-743-11 HP BOARD
********
<CONNECTOR>
CN700
CN710
<CAPACITOR>
1-779-554-21 CONNECTOR, FFC (LIF(NON-ZIF))17P
1-568-669-11 CONNECTOR, BOARD TO BOARD 8P
C791
C796
1-162-290-31 CERAMIC
1-162-290-31 CERAMIC
<DIODE>
D775
J790
8-719-046-39 LED SEL5821A-TP15 (MD LP)
50V
50V
1-770-307-11 JACK (LARGE TYPE) (PHONES)
<COIL>
L1790
1-517-987-11 INDICATOR TUBE, FLUORESCENT
1-412-473-21 INDUCTOR
0uH
<RESISTOR>
<IC>
IC760
10%
10%
<JACK>
<FLUORESCENT INDICATOR TUBE>
FL750
470PF
470PF
8-759-680-17 IC MSM9201-04GS-K
R791
R796
1-249-393-11 CARBON
1-249-393-11 CARBON
10
10
5%
5%
1/4W F
1/4W F
RV790
<VARIABLE RESISTOR>
1-225-590-11 RES, VAR, CARBON 1K/1K (PHONE LEVEL)
<TRANSISTOR>
Q761
Q762
Q775
8-729-620-05 TRANSISTOR 2SC2603TP-EF
8-729-620-05 TRANSISTOR 2SC2603TP-EF
8-729-900-80 TRANSISTOR UN4211-TA
******************************************************
1-681-744-11 KB BOARD
********
<RESISTOR>
R702
R703
R704
R705
R706
1-249-421-11
1-247-843-11
1-249-425-11
1-249-429-11
1-249-435-11
CARBON
CARBON
CARBON
CARBON
CARBON
2.2K
3.3K
4.7K
10K
33K
5%
5%
5%
5%
5%
1/4W F
1/4W
1/4W F
1/4W
1/4W
R712
R713
R714
R715
R716
1-249-421-11
1-247-843-11
1-249-425-11
1-249-429-11
1-249-435-11
CARBON
CARBON
CARBON
CARBON
CARBON
2.2K
3.3K
4.7K
10K
33K
5%
5%
5%
5%
5%
1/4W F
1/4W
1/4W F
1/4W
1/4W
R761
R762
R763
R764
R766
1-247-807-31
1-247-807-31
1-249-441-11
1-249-441-11
1-247-843-11
CARBON
CARBON
CARBON
CARBON
CARBON
100
100
100K
100K
3.3K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R767
R768
R769
R770
1-247-807-31
1-247-807-31
1-247-807-31
1-247-807-31
CARBON
CARBON
CARBON
CARBON
100
100
100
100
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
66
<JACK>
J780
1-785-945-21 CONNECTOR, DIN (PC LINK (KEY BOARD))
<RESISTOR>
R782
R786
R1781
R1785
1-247-807-31
1-247-807-31
1-249-409-11
1-249-409-11
CARBON
CARBON
CARBON
CARBON
100
100
220
220
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W F
******************************************************
1-681-742-11 KEY-SW BOARD
************
<CAPACITOR>
C730
C740
C742
C743
1-164-159-11
1-164-159-11
1-124-584-00
1-162-306-11
CERAMIC
CERAMIC
ELECT
CERAMIC
0.1uF
0.1uF
100uF
0.01uF
20%
20%
50V
50V
10V
16V
MDS-JE770
KEY-SW
MAIN
Ref. No.
Part No.
Description
Remarks
Part No.
Description
C172
C176
C177
C211
1-130-471-00
1-126-049-11
1-136-356-11
1-136-356-11
MYLAR
ELECT
MYLAR
MYLAR
0.001uF
22uF
470PF
470PF
5%
20%
5%
5%
50V
25V
50V
50V
C212
C213
C261
C265
C266
1-126-049-11
1-126-049-11
1-137-505-11
1-137-503-11
1-137-503-11
ELECT
ELECT
MYLAR
MYLAR
MYLAR
22uF
22uF
220PF
0.0001uF
0.0001uF
20%
20%
5%
5%
5%
25V
25V
50V
50V
50V
C271
C272
C276
C277
C311
1-137-368-11
1-130-471-00
1-126-049-11
1-136-356-11
1-126-023-11
MYLAR
MYLAR
ELECT
MYLAR
ELECT
0.0047uF
0.001uF
22uF
470PF
100uF
5%
5%
20%
5%
20%
50V
50V
25V
50V
16V
C316
C361
C366
C391
C396
1-126-023-11
1-126-023-11
1-126-023-11
1-126-933-11
1-126-933-11
ELECT
ELECT
ELECT
ELECT
ELECT
100uF
100uF
100uF
100uF
100uF
20%
20%
20%
20%
20%
16V
16V
16V
16V
16V
C401
C402
C404
C405
C406
1-126-939-11
1-164-159-11
1-126-933-11
1-162-306-11
1-124-252-00
ELECT
CERAMIC
ELECT
CERAMIC
ELECT
10000uF
0.1uF
100uF
0.01uF
0.33uF
20%
16V
50V
16V
16V
50V
<SWITCH>
C411
C412
C416
C421
C422
1-126-939-11
1-164-159-11
1-126-916-11
1-164-159-11
1-164-159-11
ELECT
CERAMIC
ELECT
CERAMIC
CERAMIC
10000uF
0.1uF
1000uF
0.1uF
0.1uF
SWITCH, KEYBOARD (PLAY MODE)
SWITCH, KEYBOARD (REPEAT)
SWITCH, KEYBOARD (LEVEL/DISPLAY/CHAR)
SWITCH, KEYBOARD ( ' / 1)
SWITCH, KEYBOARD (TIME)
C423
C424
C425
C426
C431
1-128-576-11
1-164-159-11
1-126-967-11
1-126-965-11
1-104-663-11
ELECT
CERAMIC
ELECT
ELECT
ELECT
100uF
0.1uF
47uF
22uF
33uF
20%
20%
20%
20%
63V
50V
50V
50V
25V
C432
C441
C442
C461
C466
1-128-551-11
1-126-933-11
1-162-306-11
1-126-040-11
1-126-040-11
ELECT
ELECT
CERAMIC
ELECT
ELECT
22uF
100uF
0.01uF
1000uF
1000uF
20%
20%
30%
20%
20%
25V
16V
16V
35V
35V
C490
C491
C492
C500
C501
1-126-916-11
1-164-159-11
1-164-159-11
1-126-934-11
1-164-159-11
ELECT
CERAMIC
CERAMIC
ELECT
CERAMIC
1000uF
0.1uF
0.1uF
220uF
0.1uF
20%
6.3V
50V
50V
10V
50V
50V
50V
50V
50V
50V
C502
C503
C504
C505
C515
1-137-366-11
1-137-366-11
1-124-994-11
1-164-159-11
1-162-282-31
MYLAR
MYLAR
ELECT
CERAMIC
CERAMIC
0.0022uF
0.0022uF
100uF
0.1uF
100PF
5%
5%
20%
<CONNECTOR>
CN720
1-766-739-11 CONNECTOR, BOARD TO BOARD 8P
D726
D733
<DIODE>
8-719-046-44 LED SEL5221S-TP15 (STANDBY)
8-719-046-39 LED SEL5821A-TP15 (GROUP)
<IC>
IC740
Remarks
8-759-826-34 IC NJL74H400A
<TRANSISTOR>
Q726
Q733
Ref. No.
8-729-900-80 TRANSISTOR UN4211-TA
8-729-900-80 TRANSISTOR UN4211-TA
<RESISTOR>
R722
R723
R724
R725
R732
1-249-421-11
1-247-843-11
1-249-425-11
1-249-437-11
1-249-421-11
CARBON
CARBON
CARBON
CARBON
CARBON
2.2K
3.3K
4.7K
47K
2.2K
5%
5%
5%
5%
5%
1/4W F
1/4W
1/4W F
1/4W
1/4W F
R733
R741
R742
R747
R1726
1-247-843-11
1-247-807-31
1-249-401-11
1-249-429-11
1-249-409-11
CARBON
CARBON
CARBON
CARBON
CARBON
3.3K
100
47
10K
220
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W
1/4W F
R1733
1-249-409-11 CARBON
220
5%
1/4W F
S722
S723
S724
S726
S731
1-762-875-21
1-762-875-21
1-762-875-21
1-762-875-21
1-762-875-21
S732
S733
S746
1-762-875-21 SWITCH, KEYBOARD (GROUP SKIP)
1-762-875-21 SWITCH, KEYBOARD (GROUP)
1-786-174-11 SWITCH, SLIDE (TIMER REC/OFF/PLAY)
******************************************************
A-2007-925-A MAIN BOARD, COMPLETE (AEP,UK)
A-2007-931-A MAIN BOARD, COMPLETE (SP)
********************
7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT(B)
<CAPACITOR>
20%
30%
20%
20%
20%
20%
16V
50V
6.3V
50V
50V
50V
50V
10V
50V
50V
C12
C16
C19
C58
C62
1-164-159-11
1-164-159-11
1-162-294-31
1-162-282-31
1-164-159-11
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.1uF
0.1uF
0.001uF
100PF
0.1uF
C87
C88
C89
C100
C111
1-162-306-11
1-162-306-11
1-162-294-31
1-126-964-11
1-136-356-11
CERAMIC
CERAMIC
CERAMIC
ELECT
MYLAR
0.01uF
0.01uF
0.001uF
10uF
470PF
30%
30%
10%
20%
5%
16V
16V
50V
50V
50V
C516
C517
C519
C520
C522
1-162-282-31
1-162-282-31
1-162-294-31
1-126-934-11
1-164-159-11
CERAMIC
CERAMIC
CERAMIC
ELECT
CERAMIC
100PF
100PF
0.001uF
220uF
0.1uF
10%
10%
10%
20%
50V
50V
50V
10V
50V
C112
C113
C161
C165
C166
1-126-049-11
1-126-049-11
1-137-505-11
1-137-503-11
1-137-503-11
ELECT
ELECT
MYLAR
MYLAR
MYLAR
22uF
22uF
220PF
0.0001uF
0.0001uF
20%
20%
5%
5%
5%
25V
25V
50V
50V
50V
C523
C524
C530
C531
C532
1-104-665-11
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
ELECT
CERAMIC
CERAMIC
CERAMIC
CERAMIC
100uF
0.1uF
0.1uF
0.1uF
0.1uF
20%
10V
50V
50V
50V
50V
C171
1-137-368-11 MYLAR
50V
C536
1-164-159-11 CERAMIC
0.1uF
10%
10%
0.0047uF 5%
10%
50V
67
MDS-JE770
MAIN
Ref. No.
Part No.
Description
C550
C551
C552
C553
1-164-159-11
1-104-665-11
1-164-159-11
1-162-195-31
CERAMIC
ELECT
CERAMIC
CERAMIC
0.1uF
100uF
0.1uF
4.7PF
Remarks
C554
C555
C556
C557
C601
1-162-294-31
1-162-203-31
1-162-215-31
1-162-199-31
1-162-306-11
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.001uF
15PF
47PF
10PF
0.01uF
C611
C612
C613
C621
C622
1-164-159-11
1-126-963-11
1-162-306-11
1-164-159-11
1-126-963-11
CERAMIC
ELECT
CERAMIC
CERAMIC
ELECT
0.1uF
4.7uF
0.01uF
0.1uF
4.7uF
C623
C631
1-162-306-11 CERAMIC
1-164-159-11 CERAMIC
0.01uF
0.1uF
C641
C642
C651
1-164-159-11 CERAMIC
1-126-963-11 ELECT
1-164-159-11 CERAMIC
0.1uF
4.7uF
0.1uF
C652
C657
C658
C851
C852
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
C853
C854
C855
C930
C931
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
C932
C940
C941
C942
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
10%
50V
10V
50V
50V
10%
5%
5%
5%
30%
50V
50V
50V
50V
16V
20%
20%
30%
20%
30%
50V
50V
16V
50V (SP)
50V (SP)
Ref. No.
Part No.
Description
D421
D422
D431
D432
D433
8-719-024-99
8-719-109-81
8-719-911-19
8-719-911-19
8-719-911-19
DIODE
DIODE
DIODE
DIODE
DIODE
11ES2-NTA2B
RD4.7ES-T2B2
1SS133T-72
1SS133T-72
1SS133T-72
Remarks
D461
D462
D466
D467
D851
8-719-024-99
8-719-024-99
8-719-024-99
8-719-024-99
8-719-911-19
DIODE
DIODE
DIODE
DIODE
DIODE
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
1SS133T-72
<GROUND TERMINAL>
EP559
EP940
1-537-771-21 TERMINAL BOARD, GROUND
1-537-771-21 TERMINAL BOARD, GROUND
16V (SP)
50V
(AEP,UK)
50V
50V
50V
FB460
FB465
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
50V
50V
50V
50V
50V
IC1
IC310
IC360
IC370
IC390
6-800-019-01
8-759-712-02
8-759-712-02
8-759-712-02
8-759-634-51
IC
IC
IC
IC
IC
M30803MG-106FP
NJM2114D
NJM2114D
NJM2114D
NJM4558D
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
50V
50V
50V
50V
50V
IC401
IC406
IC411
IC421
IC440
8-759-445-59
8-759-481-02
8-759-231-53
8-759-633-42
8-759-633-65
IC
IC
IC
IC
IC
BA033T
M62016L
M5F7805L
M5293L
M54641L
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.1uF
0.1uF
0.1uF
0.1uF
50V
50V
50V
50V
IC500
IC550
IC600
IC611
IC621
8-759-579-68
8-759-917-18
8-759-917-18
8-749-012-70
8-749-012-70
IC
IC
IC
IC
IC
AK4524
SN74HCU04AN
SN74HCU04AN
GP1F38R (DIGITAL IN1)
GP1F38R (DIGITAL IN2) (SP)
IC641
8-749-012-69 IC GP1F38T (DIGITAL OUT)
20%
<FERRITE BEAD>
1-414-093-11 FERRITE
1-414-093-11 FERRITE
0UH
0UH
<IC>
<CONNECTOR>
CN1
CN2
CN3
CN390
CN400
1-784-417-11
1-779-295-11
1-815-620-11
1-506-468-11
1-691-772-11
CONNECTOR, FFC (LIF(NON-ZIF)23P
CONNECTOR,FFC (LIF(NON-ZIF))27P
CONNECTOR, FFC 17P
PIN, CONNECTOR 3P
PLUG (MICRO CONNECTOR) 10P
CN406
CN830
1-568-683-11 PIN, CONNECTOR (PC BAORD) 2P
1-568-955-11 PIN, CONNECTOR 6P
<DIODE>
<JACK>
J300
J631
J851
1-784-430-11 JACK, PIN 4P (ANALOG IN/OUT)
1-784-432-11 JACK, PIN 1P (COAXIAL IN) (AEP,UK)
1-779-655-21 JACK (SMALL TYPE) (2 GANG) (CONTROL A1 II )
<COIL>
L555
L611
L641
L653
L657
1-414-142-11
1-410-509-11
1-410-509-11
1-412-473-21
1-412-473-21
INDUCTOR
INDUCTOR
INDUCTOR
INDUCTOR
INDUCTOR
1uH
10uH
10uH
0uH
0uH
D111
D112
D211
D212
D381
8-719-911-19
8-719-911-19
8-719-911-19
8-719-911-19
8-719-911-19
DIODE
DIODE
DIODE
DIODE
DIODE
1SS133T-72
1SS133T-72
1SS133T-72
1SS133T-72
1SS133T-72
D382
D401
D402
D403
D404
8-719-911-19
8-719-210-21
8-719-210-21
8-719-210-21
8-719-210-21
DIODE
DIODE
DIODE
DIODE
DIODE
1SS133T-72
11EQS04-NTA2B
11EQS04-NTA2B
11EQS04-NTA2B
11EQS04-NTA2B
Q21
Q22
Q34
Q181
Q190
8-729-900-80
8-729-900-80
8-729-900-80
8-729-044-08
8-729-044-08
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
UN4211-TA
UN4211-TA
UN4211-TA
2SD1915(F)-T(TA).SO
2SD1915(F)-T(TA).SO
D406
D408
D409
D411
D412
8-719-911-19
8-719-210-21
8-719-210-21
8-719-024-99
8-719-024-99
DIODE
DIODE
DIODE
DIODE
DIODE
1SS133T-72
11EQS04-NTA2B
11EQS04-NTA2B
11ES2-NTA2B
11ES2-NTA2B
Q281
Q290
Q380
Q440
Q445
8-729-044-08
8-729-044-08
8-729-422-57
8-729-900-80
8-729-119-76
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
2SD1915(F)-T(TA).SO
2SD1915(F)-T(TA).SO
UN4111-TA
UN4211-TA
2SA1115TP-EF
68
<TRANSISTOR>
MDS-JE770
MAIN
Q490
Q821
Q822
Q851
Q911
8-729-194-57
8-729-620-05
8-729-620-05
8-729-620-05
8-729-922-37
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
2SC945TP-QP
2SC2603TP-EF
2SC2603TP-EF
2SC2603TP-EF
2SD2144S-TP-UVW
<RESISTOR>
R271
R272
1-215-425-00 METAL
1-215-425-00 METAL
1.5K
1.5K
1%
1%
1/4W
1/4W
R276
R277
R278
R281
R290
1-249-919-11
1-249-469-11
1-247-706-11
1-249-429-11
1-249-429-11
CARBON
CARBON
CARBON
CARBON
CARBON
680
100K
330
10K
10K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W
1/4W
R291
R380
R381
R406
R407
1-249-397-11
1-249-441-11
1-247-883-00
1-249-409-11
1-249-429-11
CARBON
CARBON
CARBON
CARBON
CARBON
22
100K
150K
220
10K
5%
5%
5%
5%
5%
1/4W F
1/4W
1/4W
1/4W F
1/4W
R421
R423
R424
R425
R431
1-249-433-11
1-249-441-11
1-249-409-11
1-249-409-11
1-247-807-31
CARBON
CARBON
CARBON
CARBON
CARBON
22K
100K
220
220
100
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W F
1/4W
R432
R433
R434
R435
R436
1-249-415-11
1-249-409-11
1-249-433-11
1-249-438-11
1-247-891-00
CARBON
CARBON
CARBON
CARBON
CARBON
680
220
22K
56K
330K
5%
5%
5%
5%
5%
1/4W F
1/4W F
1/4W
1/4W
1/4W
R3
R9
R17
R21
R22
1-247-807-31
1-249-425-11
1-249-429-11
1-249-429-11
1-249-429-11
CARBON
CARBON
CARBON
CARBON
CARBON
100
4.7K
10K
10K
10K
5%
5%
5%
5%
5%
1/4W
1/4W F
1/4W
1/4W
1/4W
R23
R28
R41
R44
R46
1-249-429-11
1-249-429-11
1-249-441-11
1-249-429-11
1-249-429-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
10K
100K
10K
10K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R49
R51
R53
R55
R61
1-249-429-11
1-249-429-11
1-249-429-11
1-249-429-11
1-249-429-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
10K
10K
10K
10K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R87
R88
R90
1-249-429-11 CARBON
1-249-429-11 CARBON
1-249-441-11 CARBON
10K
10K
100K
5%
5%
5%
R91
R92
1-249-441-11 CARBON
1-249-429-11 CARBON
100K
10K
5%
5%
1/4W
1/4W
1/4W
(AEP,UK)
1/4W
1/4W
R437
R441
R442
R443
R491
1-249-417-11
1-249-433-11
1-249-431-11
1-249-433-11
1-249-411-11
CARBON
CARBON
CARBON
CARBON
CARBON
1K
22K
15K
22K
330
5%
5%
5%
5%
5%
1/4W F
1/4W
1/4W
1/4W
1/4W
R93
R94
R95
R97
R100
1-249-429-11
1-249-429-11
1-249-429-11
1-249-429-11
1-249-441-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
10K
10K
10K
100K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R492
R511
R512
R513
R514
1-249-418-11
1-249-401-11
1-249-401-11
1-249-401-11
1-249-401-11
CARBON
CARBON
CARBON
CARBON
CARBON
1.2K
47
47
47
47
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R111
R112
R113
R115
R161
1-249-588-91
1-249-951-11
1-247-887-00
1-249-520-11
1-215-445-00
CARBON
CARBON
CARBON
CARBON
METAL
33K
15K
220K
47
10K
5%
5%
5%
5%
1%
1/4W
1/4W
1/4W
1/4W
1/4W
R515
R516
R517
R551
R552
1-247-807-31
1-247-807-31
1-247-807-31
1-247-903-00
1-249-411-11
CARBON
CARBON
CARBON
CARBON
CARBON
100
100
100
1M
330
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R162
R163
R164
R165
R166
1-215-445-00
1-215-445-00
1-215-445-00
1-215-453-00
1-215-453-00
METAL
METAL
METAL
METAL
METAL
10K
10K
10K
22K
22K
1%
1%
1%
1%
1%
1/4W
1/4W
1/4W
1/4W
1/4W
R554
R556
R613
R614
R623
1-247-807-31
1-247-807-31
1-247-895-00
1-249-437-11
1-247-895-00
CARBON
CARBON
CARBON
CARBON
CARBON
100
100
470K
47K
470K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W
R171
R172
R176
R177
R178
1-215-425-00
1-215-425-00
1-249-919-11
1-249-469-11
1-247-706-11
METAL
METAL
CARBON
CARBON
CARBON
1.5K
1.5K
680
100K
330
1%
1%
5%
5%
5%
1/4W
1/4W
1/4W
1/4W
1/4W F
R624
R631
1-249-437-11 CARBON
1-247-804-11 CARBON
47K
75
5%
5%
R632
1-249-417-11 CARBON
1K
5%
R181
R190
R191
R211
R212
1-249-429-11
1-249-429-11
1-249-397-11
1-249-588-91
1-249-951-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
10K
22
33K
15K
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W
1/4W
R821
R822
1-249-429-11 CARBON
1-249-429-11 CARBON
10K
10K
5%
5%
1/4W
1/4W
(AEP,UK)
1/4W F
(AEP,UK)
1/4W
1/4W
R213
R215
R261
R262
R263
1-247-887-00
1-249-520-11
1-215-445-00
1-215-445-00
1-215-445-00
CARBON
CARBON
METAL
METAL
METAL
220K
47
10K
10K
10K
5%
5%
1%
1%
1%
1/4W
1/4W
1/4W
1/4W
1/4W
R823
R824
R825
R826
R827
1-249-429-11
1-249-425-11
1-249-429-11
1-249-429-11
1-249-425-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
4.7K
10K
10K
4.7K
5%
5%
5%
5%
5%
1/4W
1/4W F
1/4W
1/4W
1/4W F
R264
R265
R266
1-215-445-00 METAL
1-215-453-00 METAL
1-215-453-00 METAL
10K
22K
22K
1%
1%
1%
1/4W
1/4W
1/4W
R828
R851
R852
R853
R854
1-249-429-11
1-249-426-11
1-249-425-11
1-249-429-11
1-249-393-11
CARBON
CARBON
CARBON
CARBON
CARBON
10K
5.6K
4.7K
10K
10
5%
5%
5%
5%
5%
1/4W
1/4W
1/4W F
1/4W
1/4W F
R911
1-249-421-11 CARBON
2.2K
5%
1/4W F
F
F
F
F
F
69
MDS-JE770
PT
MAIN
Ref. No.
R912
R1090
Part No.
VOL-SEL
Description
1-249-437-11 CARBON
1-249-429-11 CARBON
Remarks
47K
10K
5%
5%
<VIBRATOR>
X15
X550
Ref. No.
Part No.
1/4W
1/4W
(SP)
1-795-004-21 VIBRATOR, CERAMIC (10MHz)
1-781-998-11 VIBRATOR, CRYSTAL (45.1584MHz)
Description
Remarks
MISCELLANEOUS
*************
9
10
0 12
* 14
0 17
1-792-811-11
1-757-928-11
1-777-071-41
1-569-972-21
1-569-008-21
WIRE (FLAT TYPE) (23 CORE)
WIRE (FLAT TYPE) (27 CORE)
CORD, POWER
SOCKET, SHORT 2P
ADAPTOR, CONVERSION (SP)
0 17
63
357
0 358
FL750
M101
1-770-019-11
1-757-930-11
1-678-514-11
A-4672-541-A
1-517-987-11
A-4672-898-A
ADAPTOR, CONVERSION PLUG 3P (UK)
WIRE (FLAT TYPE) (17 CORE)
FLEXIBLE BOARD
OPTICAL PICK-UP KMS-260E
INDICATOR TUBE, FLUORESCENT
MOTOR ASSY, SPINDLE
M102
M103
S102
0 TR900
0 TR900
A-4735-076-A
A-4735-074-A
1-771-957-11
1-437-339-11
1-437-340-11
MOTOR ASSY, SLED
MOTOR ASSY, LOADING
SWITCH, PUSH (2 KEY) (REFLECT/PROTECT SW)
TRANSFORMER, POWER (AEP,UK)
TRANSFORMER, POWER (SP)
******************************************************
1-681-739-11 PT BOARD
********
<CAPACITOR>
0 C910
C923
C924
C951
C952
1-113-920-11
1-164-159-11
1-164-159-11
1-164-159-11
1-164-159-11
CERAMIC
CERAMIC
CERAMIC
CERAMIC
CERAMIC
0.0022uF 20%
0.1uF
0.1uF
0.1uF
0.1uF
250V
50V
50V
50V
50V
<CONNECTOR>
* CN900
******************************************************
1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P (AC IN)
ACCESSORIES & PACKING MATERIALS
****************************
<DIODE>
D910
1-476-723-11
1-574-264-11
1-791-732-11
4-233-926-11
4-233-926-21
8-719-911-19 DIODE 1SS133T-72
<LINE FILTER>
0 LF900
1-419-625-11 COIL, LINE FILTER
4-233-926-31 MANUAL, INSTRUCTION (SPANISH) (AEP)
4-233-926-41 MANUAL, INSTRUCTION
(GERMAN,DUTCH,SWEDISH) (AEP)
4-233-926-51 MANUAL, INSTRUCTION (ITALIAN,POLISH)
(AEP)
4-233-926-61 MANUAL, INSTRUCTION
(TRADITIONAL CHINESE) (SP)
4-228-696-01 COVER, BATTERY (FOR RM-D10J)
<RELAY>
0 RY910
1-755-356-11 RELAY
<TRANSFORMER>
0 TR900
0 TR900
0 TR950
0 TR950
REMOTE COMMANDER (RM-D10J)
CORD, LIGHT PLUG (OPTICAL)
CORD, CONNECTION (AUDIO)
MANUAL, INSTRUCTION (ENGLISH)
MANUAL, INSTRUCTION (FRENCH) (AEP,SP)
1-437-339-11
1-437-340-11
1-437-337-11
1-437-336-11
TRANSFORMER, POWER (AEP,UK)
TRANSFORMER, POWER (SP)
TRANSFORMER, POWER (SP)
TRANSFORMER, POWER (AEP,UK)
******************************************************
*************
******************************************************
HARDWARE LIST
*************
1-681-745-11 VOL-SEL BOARD (SP)
*************
<CONNECTOR>
* CN990
1-771-474-11 SWITCH, POWER (VOLTAGE SELECTOR) (SP)
******************************************************
70
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
7-685-850-04 SCREW +BVTT 2X3 (S)
7-685-204-19 SCREW +KTP 2X6 TYPE2 NON-SLIT
1-573-565-11 PIN, CONNECTOR 5P (SP)
<SWITCH>
0 S990
#1
#2
#3
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
MDS-JE770
MEMO
71
MDS-JE770
REVISION HISTORY
Clicking the version allows you to jump to the revised page.
Also, clicking the version at the upper right on the revised page allows you to jump to the next revised
page.
Ver.
Date
1.0
2001.05
Description of Revision
New