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DENON
HI-Fi Component/Tuner
SERVICE MANUAL
MODEL TU-767
AM-FM STEREO TUNER
TABLE OF CONTENTS
SPECIFICATIONS
CONTROLS AND THEIR DESCRIPTION
BLOCK DIAGRAM
CONNECTIONS
METHOD OF ADJUSTMENTS
SEMICONDUCTORS
PRINTED WI RING BOARD PATTERNS AND PARTS LIST
ETC0658J TRAP UNIT
ETC0660N DISPLAY UNIT
ETC0659L TUNER UNIT
CONNECTION DIAGRAM
WIRING DIAGRAM
EXPLODED VIEW OF CHASSIS AND CABINET
2
3
3
4-5
6-8
8-10
NIPPON COLUMBIA CO., LTD.
10
10
11
12
13
14
TU-767
SPECI F ICATIONS
FM SECTION
Frequency Range:
Antenna Terminals:
Practical Sensitivity:
S/N 50 dB Sensitivity:
Antenna Terminal:
Usable Sensitivity:
87,5 — 108 MHz
75 ohm unbalanced
0.9 AV (10.3 dBf)
Stereo: 15.8 MV (35.2 dBf)
Monaural: 1.5 AV (14.2 dBf)
0 dBf at 10 -15w (new IHF Standard)
Image Interference Ratio: 90 dB
100 dB
IF Interference Ratio:
65 dB
AM Suppression Ratio:
Wide = 50 dB
Effective Selectivity:
(t300 kHz)
Narrow = 60
Capture Ratio:
1.0 dB
Frequency Characteristics: 20 Hz to 15 kHz
+02
dB
Monaural: 88 dB
Signal -to-noise Ratio:
Stereo: 82 dB
Monaural
Total Harmonic Distortion
(at 75 kHz deviation)
1 kHz
0.03%
Stereo
(at 67.5 kHz deviation)
1 kHz
0.04%
1 kHz 57 dB
Stereo Separation:
20
dB
Muting Operating Level:
Output Level (at 75 kHz
deviation)t
0.6 V
AM SECTION (MW)
Frequency Range:
522 — 1611 kHz
Selectivity:
Image Interference Ratio:
Singel-to-noise Ratio:
With Loop Antenna
18 AV
55 dB
45 dB
55 dB
Total Harmonic Distortion: 0.3%
Output Level (at 30%
0.2 V
modulation):
LEVEL CHECKING SIGNAL
Frequency:
440 Hz
Output Level:
0.3 V
Electric Field Strength
Indication:
by 7 LED's (Green)
OTHERS
Power Supply:
Power Requirement:
Dimensions:
Net Weight:
Design and specifications subject to change without notice.
AC 220 V/50 Hz
AC 11 W
434 mm (17.1")W x 66 mm (2.6") H x
281 mm (11.1")D
3.6 kg (7.94 lbs.)
TU-787 MIMI
CONTROLS AND THEIR DESCRIPTION
.1 .3
Ow Is v-.
haSl
Fig. 1
(110 STEREO (Stereo Indicator)
© SIGNAL/NOISE LEVEL
.... Signal
AL Noise
§ QUALITY (Quality Indicator)
SSS (Super Searcher System Indicator)
PRESET CHANNEL 1 — 8 (Station Presetting
Buttons)
MEMORY (Memory Button)
QM CONTROLLER (Super Searcher System
Control Knob)
© TUNING (Tuning Buttons)
• Down
■ Up ,
0 POWER (Power on/standby Switch)
Note: The power switch contains an ON/OFF indicator
(except in models exported to Europe)
REC (Recording Level Switch)
IF BAND (IF Band Selector Swich)
MODE (Mode Switch)
a. Auto/Mute,
Mono
0 SCAN (Tuning Mode Select Switch)
AL Auto,
Manual
® I SSS I ON/OFF (See Page 8 for Details Regarding the
Super Searcher System-I SSSI )
8 AM
FM
0 DIGITAL FREQUENCY INDICATOR
8
BLOCK DIAGRAM
SSS
Switch
CF1
FM Antenna 0
CF2
Wde
Bandsuppres
Circuit
Front End
IF Amp
IF Amp
IF band
Selector
Switch
FM
Demodulator
B.P F
75 ohm
Narrow
SSS
Controller
CF3
Pet .
Rect.
CF4
AM Loop Antenna
0—
9 EC
Oscillator
Signal
Selector
Switch
L.P.F
Muting
ON/OFF
IF Amp
IF Amp
Amp
Monaural/ Stereo
Selector Switch
AM RF-IF
Del
■■■■••
Stereo
Demodulator
L.P.F
Amp
—
0 Output L
Amp
Output R
Signal
Roof
Filter
Noise
Switching
Display Driver
ALL Controller
Display
Driver
Roof
Filter
Tuning,FM/AM Memory Preset
to AC line
FM
MHz
Frequency
Display PIP
Control Switch
Stereo
Indicator
Signal/Noise
Indicator
Quality
Indicator
SSS
Indicator
Fig. 2
—3—
)1•1•1111111ITU-767
CONNECTIONS
FM INDOOR ANTENNA DIRECTION OF
BROADCASTING STATION FM ANTENNA
It
AM OUTDOOR ANTENNA
12 m or longer
8m or longer
sizes are approximate
////f/i/,
DIN CONNECTOR
75 ohm
coaxial cable
(FOR WEAK WAVE RECEPTION/
1. Ground the wire to the earth
when an outdoor antenna Is
used.
2. Do not detach the lead wires
of the loop antenna from the
terminals.
ACCESSORY LOOP ANTENNA
Removal of AM loop antenna
Move the supporting rod
of the loop antenna upward to remove the antenna.
INSERT
0E2
J
To tuner
terminals
00 Do oaci
.00 ut.te
I= 0
PRE AMPLIFIER
WALL OUTLET
Fig. 3
PRECAUTIONS ON CONNECTIONS
Do not plug the cord into an AC outlet until all connections of the unit are completed.
•
CONNECTION WITH AUDIO AMPLIFIER
Connect the pin . cord (supplied) between the OUTPUT terminals of the tuner and the "tuner" input terminals of the
audio amplifier. Be careful to connect the left (L) and right (R) channels of the output terminals to the corresponding
left (L) and right (R) channels of the "tuner" input terminals. (Set the volume control of the audio amplifier to minimum).
•
Do not bundle or wind the pin plug and the power source cord together, and do not place the pin cord near the power
transformer; otherwise, hum noise may result.
•
Insert the plugs into the corresponding jacks firmly because incomplete connections cause electric field noise.
TU 767 MINI1
ANTENNA INSTALLATION
•
FM OUTDOOR ANTENNA CONNECTION (Fig. 4)
75 ohm coaxial cable (3C-2V, 5C-2V) is preferable to obtain better performance of the tuner.
•
* Contact your local dealer for details on selection and installation of the FM outdoor antenna.
* When a 300 ohm FM antenna is connected by a 75 ohm coaxial cable, a matching transformer is required.
AM ANTENNA CONNECTION (Fig. 5)
Since the model is provided with a high performance AM loop antenna on the back panel, this accessory antenna can
effectively be used for optimal reception in places where broadcasting stations are located nearby and relatively strong
signals are received with low noise.
Orient the loop antenna horizontally to obtain optimal reception.
In places where strong, clear signals are not received due to particular location and/or environmental conditions, connect
an insulated wire to the AM antenna terminals and attach it to the wall. In places where broadcasting stationa are located
too far away and only weak signals are received, or where signals are blocked by obstacles, install an AM outdoor antenna.
* Even if an AM outdoor antenna is installed, do not detach the AM loop antenna.
GROUNDING
If there is much noise during reception, it is recommended that a grounding wire be used.
Connect a thick insulated wire to the "GND" terminal, and wind the unconnected bare end around a metal water pipe, a
grounding rod, or a grounded copper plate.
* Never connect grounding the wire to a gas pipe. This could cause fire or explosion.
SOLDER
FM ANTENNA
B mm
Fold back about 12 mm of braid.
If core is stranded wire, bind the
tip with solder.
3 mm
[Li
COAXIAL CABLE
E77 After tightening the cap, check
that the cable shows no sign of
comming loose.
Fig. 4
LOOP ANTENNA
OUTDOOR ANTENNA
GROUNDING ROD
Fig. 5
METHOD OF ADJUSTMENTS
When marking adjustments, be sure the power supply is at the rated voltage and the room air is in normal condition with respect to temperature and humidity.
ADJUSTMENT OF RF TRAP UNIT (ETC(1658J) (ISSSI on,MODE .... mono)
Table 1
Output Side
Input Side
Adjustment
Item
Tuning
1
88 MHz
Tracking
Check
2
108 MHz
Tracking
Check
Adjustment Value
Measuring
Instrument
Connection
Point
Variable depending
1 kHz
Mono
on output wave100%
form attenuation
Antenna
Terminal
Digital
Voltmeter
VC. G
—
3 V t 10 mV at the time of adjustment to the
max. point of output waveform attenuation
using the ISSSf controller
108.0 MHz
Variable depending
Mono
"'ono
on output waveform attenuation
Antenna
Terminal
Digital
Voltmeter
G
—
20 V t 100 mV at the time of adjustment to the
max. point of output waveform attenuation
using the SSS controller
Frequency
88.0 MHz
FM SSG
88.0 MHz
108.0 MHz
FM SSG
Input Level
Modulation
1_ kHz
100%
If NG in items 1 and 2, advance to items 4 to 6
3
4
108 MHz
Tracking
108.0 MHz
FM SSG
108.0 MHz
Variable depending
Mono
on output waveform attenuation
5
88 MHz
Tracking
88.0 MHz
FM SSG
88.0 MHz
Variable depending
Mono
on output waveform attenuation
6
7
Adjustment
Point
Connection
Point
Measuring
Instrument
1 kHz
100%
Antenna
Terminal
1 kHz
100%
Antenna
Terminal
Oscilloscope
Output IL)
TC1
Output waveform attenuation is max. at
20 V i 50 mV
Oscilloscope
Output (LI
LI
Output waveform attenuation is max. at
3 V ± 5 mV
,
Repeat the adjustment in items 4 and 5 so that the waveform attenuation is maximum at the rated voltage
Adjustment
of
Attenuation
98.0 MHz
FM SSG
98.0 MHz
Variable depending
on output wave- Mono
form attenuation
1 kHz
100%
Antenna
Terminal
Oscilloscope
Output ll..)
Normal Output Waveform
VRI
Adjust to max. attenuation after adjustment to
the max. point of output waveform attenuation
using the SSS] controller
Distortion of Output
Waveform due to Input Attenuation
Fig. 6
Table 2
FM
Output Side
Input Side
1
2
3
Adjustment Item
Tuning
76 kHz
98.0 MHz
98,0 MHz
Adjustment
gen
Mono Distortion
MHz
measuri ng
Frequency
Instrument
FM SSG
FM SSG
FM SSG
98.0 MHz
98.0 MHz
98.0 MHz
Input Level
Modulation
Connection
Point
60 dBp
Mono 1 kHz, 100%
TA:rt4747,
50d59
Mono 1 kH, 100%
BO dl3p
Mono 1 brie, 100%
60d80
Stereo IL)
Main
Pilot
1 kHz
90%
10%
r
Aztrreninnea,
Antenna
Terminal
Antenna
Terrninal
4
Stereo Distortion
5
Tuning Center
Distortion
Adjustment
6
OffsettTu2strnent
980 MHz
FM SSG
98.0 MHz
60 dBp
Mono 1 kHz, 100%
,
'
Noise Indicator
LED ON Level
98.0 MHz
FM SSG
98.0 MHz
—3409
Mono 1 kHz, 100%
Antenna
Terminal
98.0 MHz
FM SSG
98.0 MHz
L
lsg i8n4
Mono 1 kHz,100%
T
Aenrt4747,
98.0 MHz
FM SSG
98.0 MHz
50 dBp
Mono 1 kHz, 100%
Antenna
Terminal
98.0 MHz
FM SSG
98.0 MHz
60 deg
Mono 1 kHz, 100%
10%
8
SLIgErig oInNdItcrea ve
toir
9
QLuzlgyo iNntlec,„at.oir
10
REC
AdLieuvset Zutt put
98.0 MHz
FM SSG
98.0 MHz
Measuring
Instrument
Connection
Point
Adjustment
Point
Adjustment
Value
Frequency
Counter
TP-3, 4
VS 201
76 kHz 050 Hz
Tuning Meter
JIg
T P-1,2
T2
Tuning Meter
Canter
Distortion Meter
Output IL/
13
Min. Distortion
IF -111. wide
Output (1..)
Front End
I FT
Mtn. Distortion
IF AL wide
Distortion Meter
11
Pilot Cancel!
980 MHz
FM SSG
980 MHz
60459
Stereo ILI
Pilot
12
Separation
98,0 MHz
FM SSG
98.0 MHz
60409
Stereo (1.)
Main
Filet
1 kHz
90%
10%
98.0 MHz
FM SSG
98.0 MHz
60 dElp
Stereo (LI
Main
Pilot
1 kHz
13
IF Narrow
Distortion
Adjustment
in ANdej rzLn
Gat in
16
0i5troFrtoartrrg4eck
IF
J. wide
Repeat Items 2 to 4 so that the tuning meter may indicate Its center value, and the distortion is minimum at tuning time
DC Voltmeter
Antenna
—
—
Valve Voltmeter
IF-B, GND
VS 401
100 0 10 rnV
,8
4 Yr4 c47.7 4t 4e;
—
VS 402
7th N oise LED
ON
By SSS controller
In J. noise mode
—
VR4
Quality LED
ON
By SSS controller
in J• noise mode
—
VS 403
7th Signal LED
ON
By SSS controller
In JIL noise mode
Output IL/
VS 3
—6 df3 x 1 dB of
100% Output
SEC ..... on
19/38 kHz L.P.F.
is not used
_
14
Remarks
980M
FM SSG
98.0 MHz
1st Signal LED
ON when wide
98.0 MHz
FM SSG
98.0 MHz
130 dBsi
Stereo ILI
Main
Pilot
Stereo IL)
Mono
90%
10%
1 kHz
90%
10%
Antenna
Terminal
Valve Voltmeter
Output ILI
VS 202
Min. Pilot
Leakage
Antenna
Terminal
Voltmeter
Output (L/
181
Output
VS 203
Max. SePnratk1n
(balance of
di realvity/
19/38 kHz L.P.F.
is used
Antenna
Terminal
Distortion Meter
Output (1..)
Ti
MM Distortion
IF ...• narrow
VA 1
Equalization of
let signal LED ON
level at
wng
narrowswitchi
time
IF .■ narrow
_
Antenna
Terminal
—
Antenna
Terminal
Distortion Meter
Output IL/
—
If standard value
Mono Under 0.7
Stereo Under 1% recpe
'n:tIttebm711Tann'd
d14
AM
1
No.
sot ai d
n 9.
IF Adjustment
oi (w
M. .1 ,F,
—
No-IF Waveform
Distortion Lev&
—
—
A1vivo/
l rNmnra
Monitor Scope
6311
T 303
Flat at Max. IF
Waveform
Digital Voltmeter
8301
1305
1.2 V 0 20 mV
Digital Voltmeter
R301
IC 303
8 V 0 100 my
Output IL/
1301
Frequency
2
522 vk ol-lictaTgue nin g
2
1611 kHz Tuning
Voltage
522 kHz
—
1611 kHz
—
—
—
—
—
Repeat ltesm 2 and 3 to obtain rated tuing voltage
5
6
503 kHz Tracking
1404 kHz Tracking
1303 brie
1404 brie
AM SSG
AM SSG
803 kH
Non-AGC
Level
1404 kHz
Non-AGC
Level
400 Hz, 30%
400 Hz, 30%
Loop Antenna
Loop Antenna
Valve Voltmeter
Valve Voltmeter
„ ,
Mac ' Out"'
Output IL/
IC 301
Max. Output
—
VP 401
7th Signal
LED ON
Adjust the SG output
not to undergo AGC
Adjust the SG output
not to undergo AGC
Repeat itanre Rand 8 to adjust the tracking
8
Signal Indicator
LED ON Level
999 kHa
AM SSG
999 kHz
70 c113p/m
400 H, 30%
Loop Antenna
—
0
-
-f--
9
at
0 '2
-n
-41
C O NNE CTION DI AGR AM OF ME AS URI NG IN STRUMENTS
-n
01111 TU-767
PRINCIPLE OF SUPER SEARCHER SYSTEM (SSS)
ROUGH DIAGRAM OF ADJUSTMENT POINTS
If two or more powerful stations are on the FM band, unexpected
radio waves are generated in an area between them. This is
ETC0659
RP TRAP UNIT 0
0301
called "intermodulation disturbance " . When receiving a station
Bend
Suppress
Circuit
ANT TERMINAL
?FL,
End
near these generated waves, a ragged sound or other disturbing
—
noises occur.
a cl
VR203
0 Ili
L.02 0
Fig. 10 explains this situation. Intermodulation components
FA. 0
1- 1 fiA132
VR
D1 and 02 are generated by stations A and 8, disturbing the
IrO>Zie
LP203
VR202
CF30 I CF303
desired reception station C.
Interference wave D1 cannot be separated from the wave of
W
lY
station C. However, by removing this disturbance caused by A
Input
ETC-658
and B with the band suppress circuit,
Level
D1/132 will disappear.
Operation:
T305 TC303
Interference Wave
NM
,r04 7P3
r,ueney
AL
If the signal indicator (green) is lit, but the quality indicator is
disturbance is present. Tam ON the SSS switch, and set the SSS
controller to ( ) noise mode. Adjust the SSS controller volume
D
I
Band
crao,
Suppress
0
arcun
C,aracter
Input
DI and D2
disappear when
attenuating A
or B to minimum
I
•
Band suppress circuit -= RE trap filter (Frequency variable)
If an other station has been selected, the SSS is rest automatically.
Fig. 10
9
A 106
ICI
SEMICONDUCTORS
VR5A0
in
NJM45580 (JRC)
VRA01 VRAEM
so that the noise level indicator (red) shows the minimum value.
71.2 71511
„„e
i C402
f'
Level
00
VRA02
\
1C40
■
H014027E1
(Hitachi)
I
0 05
GNO
v.
22
1C403
C5
570•659• 11
DEMOVi
HA112223W
HA 2412
Fig. 8
(Htachi)
TUNING METER JIG
HA I
HA 12412
223W
TA7060AP
-8-
(Toshiba)
TD6301 AP
(Toshiba)
i, a,
•t.
a, 0
0,
I, a,
0,
i
a,
TU-767 OM
t , l t,
TC9147P
(Toshiba)
MAT critrilif °
7 ,teroonen
oi
,C1(
L/0
GNP
c' 11
ixal
- :NZ
BCD 01flet
FUNCTIONS OF TERMINALS
FUNCTIONS OF TERMINALS
Pin No.
Name
6-12
a' —g'
7-segment drive output terminal.
10 MHz-unit display at FM time.
100 kHz-unit display at AM time.
1
a t- g 5
7-segment drive output terminal.
1 MHz-unit display at FM time.
10 kHz-unit display at AM time.
Received frequency data input control
timing input terminal. Transferred
simultaneously with data by the system
controller LSI.
21-27
a1—gl
7-segment drive
utput
o
terminal.
100 kHz-unit display at FM time.
1 kHz-tmit display at AM time.
Segment drive output terminal.
100 MHz-unit display at FM time.
Only 1 pin is used for output becau,se
of 1 to 0 in both FM/AM.
14, 28
Function
Pin No.
Name
1
L/D
Output status select input terminal.
Input terminal for selecting output status by
the indicator (LED, FL, LCD).
2
Data
Receiving frequency data input terminal.
Input serially by the system controller
LSI.
3, 4
CK1
CK2
5
1/0
13,
Function
Symbol
2
XT
3
XT
FM
FM band specifying
input
5
MW
MW band specifying
input
LW
LW band specifying
input
MANUAL
Manual tuning mode
specifying input
7
AUTO
Supply voltage applying terminal.
UP
Pin
No.
TD6 I 04P
(Toshiba)
5
Name
f IN
Functions
FM station signal input terminal
Frequency range
60 — 140 MHz
Input level
75 —300 mVrrns
OUT-1
Dividing an input signal into 1/30 or 1/32
through dividing output terminal 0I,Output level 0.51V)MIN
2
OUT-2
OUT-I inverted signal output. Because of
open emitter system, if iris to be used.
External resistor is necessary. Open in general.
7
PSC
3
GNO Vac
LB1417
6
1
4
c
Vcc
GNO
LA 1245
(Sanyo)
Dividing value select control terminal
1/32 when Vpcc ,' 21V), 1/30 when
%/pm 11V)
for bias circuit.
Connect C - 2200 pF (approx.) between the
unit and the GND.
Name
Crystal oscillator
terminal
4
B
Vcc
GND
FUNCTIONS OF TERMINALS
(Sanyo)
Pin
No.
Auto search tuning
mode specifying
input
UP operation key
input
10
DOWN
DOWN operation key
input
11
STO
Memory store instruction input
12
M1 —M8
19
20
MCI
21
MC2
22
0502
OSCI
24
0/5
25
CK2
26
CK1
27
DATE
Selects FM. MW and
LW in the mutual
reset anode.
Selects between
manual operation and
auto search operation
in mutual reset mode
at UP/DOWN channel
select time.
UP/DOWN channel
selection by connectIng a push-key
Pit
No,
Symbol
28
MUTE
Name
Controls read/write
of the internal 16channel preset memory in conjunction
with MC1 and MC2
input.
Memory control input
Sets the 16-channel
preset memory to an
8-channel fixed
system for FM/AM
1MW -1 LW) or a 16channel tandem
system for FM+MW+
LW (3 bands).
Function
Muting signal output
Set "H" at muting
output time.
Area specify input
Specifies enema.
japan, USA. or
Europe,
29
E2
30
El
31
STOP3
AM-IF signal input
Counts IF 450 kHz
signals at AM time
and stops auto
search.
32
STOP2
Auto search stop Signal
input
If "H" level is input
STOP2 when "H"
level is set to STOP1,
the auto search is
stopped. Used for
AR1 or stereo
channel receiving
status discrimination.
33
STOP!
Scan speed slow input
When "H" level is
input, reduces the
auto search scan
speed to 1/2.
With this input, preset
memory is set to
write enable status.
Preset memory channel
specifying input
34
DO-2
35
DO-1
Phase comparator
output
Two tristate buffers
are output in parallel from a single
phase comparator.
TEST
Test terminal
Sets test made with
"H" level input.
C/R connecting
terminal foresail
later, which determines scan speed at
AM search time.
36
Oscillator terminal for
AM
37
FMIN
C/R connecting
terminal for oscillator, which determines scan speed at
FM search time.
38
PSC
Oscillator terminal for
FM
39
AMIN
FM Europe 50 kHz
output
Europe area FM band
50 kHz step indicating output
Set "H'' at 50 kHz.
40
Received frequency
data serial output
Otputs serial data
and timing lock to
driver 106301
for receiving frequency digital display .
CK1 output is used es
Poo output at the
same tirne.
Power terminal Vcc k 5V
loc = 5 rnA (standard), 10 mA Imax.)
23
Function
Connects crystal 7.2
MHz for reference
frequency.
FM progremtnahle
counter input
Connects the output
of precaller 1061 04P.
Prescaller control
output
Controls dividing
11/30,1/321 of the
prescaller TD6104P.
FM programmable
counter input
Inputs AM channel
signal.
INH
Inhibit input
Oridinary operation
at "H" level, and
inhibit status at "L"
level.
41
INT
Initialize input
Ordinary operation
at "H" level, and
initialization of
internal statutes
"L" level
42
VDD
Power applying
terminal
Applies 5 ± 0.5 V.
Up to 2 Vie available
as backup,
GND
II=1 TU-787 I
PRINTED WIRING BOARD PATTERNS AND PARTS LIST
•
TRANSISTORS
•
250882(0/P) FET 25516334
2608130(Y )
25C46 I (0)
200 8 5(m.)
2541015(68)
DIODES (including LED)
11460
152076
-61p-
R.
1.407 Blue
ETC0660N DISPLAY UNIT
HZ6-B2
HZ7C-2
HZ-15-3
Black
8 03.1
C (Collector)
E (Emitter)
SEL1123R (Red)
SEL1323G (Green) u,3 spy.,
11
.i
'C' 12:141tact
' or/i G 4.3.4
E' lEmined
. ./77777
(Grain)
E (Erni°.
C
64 (Basal
0
Twin Varactor
Varactor
SVC32 I 04-02 SVC2 I I SP-I3
4
Orange
it r.h
SEL 11 I OW SEL2413E
Milk White
lEmrtting
Color: Pell
Snort (Cello.)
ill- 76707Gang lAnoclel
GL-5NPS
Mon
(Cathode/
Cat1LE244) 11i*Z446.0
7"
Lang
(Anodel
51 8820
L--:
,
1 . Anode (Yellowish Gram/
2. Cathode (Common)
3. Anode (Red)
ern
•
ELECTRON RAY INDICATOR TUBE
FIP7A8S
,
'Ll
AAM
Mon 7.17
Mi.le
1712,±171.:..
_ 7.1:,747'14',. -"z
kHz
ConnectiOn
I
Terminal No
2
2
4
5
6
7
8
5
40
14
12
13
14
IS
16
17
18
() P(a. ) PO. I In(e. 4 2)0.) Plc,) 1 C 0(0,) P(O. ) PM, ) 410 P(a, 4 201,1 P(c, 4 PG2,) 240,1 P(a,)
Conneminq Elemmale F
Terminal No.
19
20
2/
22
22
24
25
26
Connecting Elmtrotle IC P0,4 PON ) 2(2,4 P(c,) 0)2.) 47 (0,4 P( 4, )
27
Pte, )
ta
29
30
31
P(k.),..2) ,.(t,r,)
32
P{.)1t1:)
33
34
32
C
G
F
ETC0660N DISPLAY UNIT PARTS LIST
ETC0658J TRAP UNIT
Ref '
No.
Part No.
Part Name & Descriptions
Ref.
No.
Part No.
SEMICONDUCTORS
I0501
2620453006
106301 AP (TOSHIBA)
TR103
TRIOS
—111
13001
2730198015
2SC1815 )BL)
TRANSISTOR
2730198015
2SC1815 (BL/
TRANSISTOR
39391650013
SEL1323G (GREEN)
LED
3939165013
5EL1123R (RED)
LED
3939236007
3939238005
3939239004
SE L1110W (RED)
LED
SEL2413E (C/D)(GREEN)
LN31GPHL (GREEN)
3939237006
GL5NP5 1 13/C) (RED/GREEN) LED
3934011007
FIP7A8S
0002
--009
0010
0011
0012
0015
—021
IC
LED
LED
FLD
R001
"007
2412334016
1,6 k ohm ±5% 1/6W CARBON FILM
0002
2531024003
0.018F
C005
—007
2531006005
2200PF
t10% 50V CERAMIC
0515
2531024003
0.018F
4€
20
°% 50V CERAMIC
CAPACITORS
No.
No
Part Name & Descriptions
SEMICONDUCTOR
0304
005 '
DM
'
2760366008
—004
SVC211SP3
VR001 EP-5462H11
R001, 2412148008
SOLID VOLUME
002
R005
R006
220 k ohm 35% KW CARBON FILM
2412089002
2412148008
750h,.
±5% 14W CARBON FILM
220 k ohm ±5% KW CARBON FILM
10501
2130034009
TRIMMER CON DENCE R (CTZ-51C)
CW2 .
2531024003
0.019F 480, —20% 50V CERAMIC
2533469006
10PF
±5% 50V
CERAMIC
COIL
0301
RT-11653
FM OSC COIL
2221003004
2140052000
2050087026
P.W. BOARD
REED RELAY
2P TERMINAL
51, TERMINAL
SHIELD CASE
4.7 k ohm
CAPACITORS
part Name at Descriptions
Part No.
VARACTOR
RESISTORS
003
Ref.
No.
OTHER PARTS
2050087055
4140328004
NOTE: If D001, 0002, 0003 and 0004 are to be replaced, be
sure to replace them in pairs.
—10—
"43°% 50V CERAMIC
—20
2124456004
2124457003
21 24407008
1P PUSH SWITCH (POWER)
5P PUSH SWITCH (FUNCTION)
TACT SWITCH
USED 13
OTHER PARTS
RESISTORS (not included Carbon Film .5%, 1/4W Type)
ETC0658J TRAP UNIT PARTS LIST
Part Name & Descriptions
SWITCHES
2221005002
2090008146
2090008120
2090008117
EP-5667H1
2050092040
2038107025
2040094029
2040094016
2042056010
2046024006
2046017039
2050185054
2050185067
2050185041
P.W. BOARD
JUMPER WIRE
JUMPER WIRE
P=5 turn
P = 15 mw
JUMPER WIRE P = 12.5 mm
TERMINAL PIN
4P WRAPPING TERMINAL
5P CONNECTOR CORD
6P CONNECTOR CORD
6P CONNECTOR CORD
9P CONNECTOR CORD
11P CONNECTOR CORD
12P CONNECTOR CORD
5P WIRE HOLDER
6P WIRE HOLDER
4P WIRE HOLDER
USED 3
USED 48
USED 1
USED 3
USED 1
USED 1
USED 2
USED 1
USED 1
USED)
USED 1
USED 1
USED 5
USED 1
TLJ-767
'8
2760302004
2760302004
2760049008
2760049008
2760173039
2760049008
2760049008
2760051070
2760253027
2760049008
P, <P,,Y,
2760218033
t4
2760049008
2760218033
2760049008
2760234004
RESISTORS (not inc aded Carbon Film *5% )10% 50V TYPe)
45.1946.1;I...P4.1231.402 3. .:'
R433
2440033020
VR002 EP-5462H5
VR003 EP-5462H15
VR004 EP-5462H11
VR201
EP-5462H9
VR202 EP-5462H19
VR203 EP-5462H20
VR401
EP-5462H7
VR02
4
EP-54621-115
-404
VR
2110404002
100 AO; -1,8% , ‘8,,Ve.041811.6pi sFil.,A1TpC7
200 ohm 05% 1W METAL OXIDE (NE)SOLID VR
470 ohm
SOLID VR
22 k ohrn
SOLID VR
4.7 k ohm
SOLID VR
2.2 k ohm
SOLID VR
100k ohm
SOLID VR
150 k ohm
SOLID VR
1 k ohm
SOLID VS
22k ohm
PUSH LOCK
100k ohm
CAPACITORS (not noludetl Ceramic 05%, *10%. 50V Type)
0002
C003
-005
C005
0306
ETC0659L TUNER UNIT PARTS LIST
Ref.
No.
Part No.
Part Name &
Descriptions
SEMICONDUCTORS
C001
-002
C003
C004
C005
C006
C201
0202
0301
0401
C402
0403
2630099007
TA-7060AP (TOSHIBA)
IC
2630124008
2630081002
2620343006
2630081002
2630067013
2630081003
2630145003
2630232000
2630283004
2620452104
HA-12412 (HITACHI)
NJM45580 (JRC)
HE/14027B (HITACHI)
NJM 45580 (JRC)
HA1123W (HITACHI)
NJM4558D (JRC)
LA1245 (SANYO)
TD6104P (TOSHIBA)
LE1417 (SANYO)
TC9147BP (TOSHIBA)
IC
IC
IC
IC
IC
IC
IC
IC
IC
IC
Ref.
No.
TR001
-002
TR003
TROIA
T0005
-012
TR014
TR015
TR016
-017
TR201
TR202
TR204
-205
Part No.
Part Name & Descriptions
2551072006
0.010F
=10% 50V PLASTIC FILM
2531024003
0.01gE
2551121025
2544132005
0.01gF
10pF
.8R% 50V CERAMIC
-20
*5% 50V PLASTIC FILM
16V ELECTROLYTIC
C007
2531024003
0.010F
0008
2531026001
0.047gF 1% 50V CERAMIC
% 50V CERAMIC
2730025023
2SC451 (C)
TRANSISTOR
C009
_010
2531024003
0.01gF
_159% 50V CERAMIC
2730198015
2730025023
2SC1815 (EL)
2SC461 (C)
TRANSISTOR
TRANSISTOR
2531024003
0.015P
lg% 50V CERAMIC
2730198015
2SC1815 (EL)
TRANSISTOR
C012
-017
0218
2544132005
1010F
2730198015
2710102021
2SC1815 (EL)
2541015 (GR)
TRANSISTOR
TRANSISTOR
<
CO21
2730198015
2SC1815 (BL)
TRANSISTOR
CO23
2730)98015
2710102021
2SC1815 (13L)
2SA1015 (OR)
TRANSISTOR
TRANSISTOR
2710102021
2SA1015 (GM
TRANSISTOR
0224
CO25
-030
0831
00 32
o 12531024003
16V ELECTROLYTIC
2544089006
°nit&
'
1gF
+6R% 50V CERAMIC
-20
*20% 50V ELECTROLYTIC
2531024003
0.01p F
T%
2544132005
105F
2531024003
0.015E
2544146004
1pF
'RR% 50V CERAMIC
-20
50V ELECTROLYTIC
2531024003
0.01gF
lg% 50V CERAMIC
50V CERAMIC
16V ELECTROLYTIC
C034
-035
0037
C038
-039
C040
C043
C044
Part Name & Descriptions
Part No.
2531025002
0.022gF
+8 R % 50V CERAMIC
-20
2531024003
0.01gF
_20% 50V CERAMIC
2544146004
16E
50V ELECTROLYTIC
C045
2531024003
93 % 50V CERAMIC
R
-20
*20% 10V ELECTROLYTIC
3305E
0.068gF 010% 50V PLASTIC FILM
16V ELECTROLYTIC
10AF
080
0.01pF _25% 50V CERAMIC
C047
C048
0049
C050
2544146004
2544145005
2544132005
11.0F
0.47gF
10,0F
2531024003
2544162017
2551082009
2544132005
0.01gE
50V ELECTROLYTIC
50V ELECTROLYTIC
16V ELECTROLYTIC
2551064001
0.02240F 010% 50V PLASTIC FILM
C054
0056
C057
0059
C060
-061
C062
C201
C202
-203
C204
0305
C206
0207
0208
0209
2544145005
2544145005
2544146004
2544140000
0.47gE
0.47gF
1siF
4.7gF
50V ELECTROLYTIC
50V ELECTROLYTIC
50V ELECTROLYTIC
35V ELECTROLYTIC
2531024003
0.01gF
2544164002
2544146004
4.7pF
1gF
.8R% 50V CERAMIC
-20
0-20% 25V ELECTROLYTIC
50V ELECTROLYTIC
C210
2531024003
0.01gF
2544145005
047gF
50V ELECTROLYTIC
2544163029
2544141009
470gF
105F
*20% 16V ELECTROLYTIC
35V ELECTROLYTIC
2544140000
4.70F
2544145005
0.47g F
2556160007
1000PF
2551120084
0.0047gF =5% 50V PLASTIC FILM
-052
A 33 111131 3131 . 31
21
Ol11 "c33l 23 A M
d:-.1,111T 761
NO OO N 0 N N
o n,
2 52(5 2Z 2r 00 1
2760049008
0 1; 00 0, 0 . 2 4
,
2760002003
0033
6'8
2760049008
0 5 20 0 )15;
2760049008
2760002003
0 0
.0
°°
2760002003
,r; o r2F,
2730198015
o« 2 2 000O 01,1,1 ,171_53I
2710102021
2740078031
0 5 >„>
C 3 23 C
47, ›
2730198015
m o oom o rn m o 0 m 0
0a000 a0 z z z z z z z Z zz zz z z
cn c. entntn umn cn
mmmmrnmmrn. f.n
mm mm
21
' 1' 2 ?5. 2
222
2710102021
0,
CoCo Co C
2730198015
2740065002
2730198015
2760049008
Ref.
No.
Part Name & Descriptions
> n>522'.
Part No.
2730198015
2750020008
2730198015
2150020008
2710102021
2730198015
2710102021
2730198015
2710102021
a
Re'
No.
- d ffilipA ilmii 4 ili fitab
WAHWAnakM
ETC06591 TUNER UNIT
0211
-212
C215
C216
0217
--218
0219
-220
C221
0321
-222
0225
C01
2544132035
10gF
2551120025
2551122008
2544148002
2551120042
2544148002
2544145005
0.00150F 05% 50V PLASTIC FILM
*5% 50V PLASTIC FILM
0.0474F
3.3gF
50V ELECTROLYTIC
0.0022gF 05% 50V PLASTIC FILM
50V ELECTROLYTIC
3.34F
0.47gF
50V ELECTROLYTIC
2544132005
10pF
2531024003
0.015F
16V ELECTROLYTIC
'R
A% 50V CERAMIC
35V ELECTROLYTIC
50V ELECTROLYTIC
*5% 50V PLASTIC FILM
16V ELECTROLYTIC
'
-20
% 50V CERAMIC
2544140000
4.7gF
2531024003
0.015F
0312
0213
2544146004
2544147003
1AF
2.2gF
0314
2531024003
0315
0316
-317
2551082009
+RR% 50V CERAMIC
-20
0.068gF *10% 50V PLASTIC FILM
2544136001
1005F
C318
2531024003
0.01gF
+8
R% 50V CERAMIC
-20
1%
0309
C310
C320
35V ELECTROLYTIC
+80
_20% 50V CERAMIC
50V ELECTROLYTIC
50V ELECTROLYTIC
0.015F
16V ELECTROLYTIC
2531024003
0.01gF
0322
2531025002
°% 50V CERAMIC
0.022pF :49
20
50V CERAMIC
0223
_324
2531024003
0.01gF
C3 25
2544132005
10gF
+80
_25% 50V CERAMIC
16V ELECTROLYTIC
+8 R% 50V CERAMIC
-20
05% 50V PLASTIC FILM
020% 35V TANTALUM
*20% 35V TANTALUM
*20% 50V ELECTROLYTIC
16V ELECTROLYTIC
25V ELECTROLYTIC
35V ELECTROLYTIC
16V ELECTROLYTIC
6.3V ELECTROLYTIC
+80
_25 % 50V CERAMIC
0326
2531024003
0.01gF
C330
C401
0402
0403
0404
C409
0407
C408
0410
C411
_413
2556160094
2541035011
2541029001
2549014005
2544136001
2544139008
2544140000
2544132005
2544161047
390PF
2.2gF
10F
0.1gF
100gF
100gF
4.7gF
10gF
4700F
2531024003
0.010.F
0414
_415
2533133002
33PF
0416
_417
2544147003
2.20
50V ELECTROLYTIC
2544146004
1gF
50V ELECTROLYTIC
0418
C419
-421
0423
C424
05% 50V CERAMIC (TEMP.)
2544136001
100gF
16V ELECTROLYTIC
2544159004
2544148002
100/IF
3.3s0F
020% 35V ELECTROLYTIC
50V ELECTROLYTIC
1U-767
Ref.
No.
Part Reuse& Descriptions
Part No.
0425
C426
C427
0428
2544132005
2544164031
2544151002
2544086009
10mF
220pF
22mF
22000
16V ELECTROLYTIC
020% 25V ELECTROLYTIC
50V ELECTROLYTIC
520% 25V ELECTROLYTIC
0429
2531024003
0.015F
-43°
0% 50V CERAMIC
0431
2531024003
0.01pF
1g% 50V CERAMIC
0432
2544161047
470pF
CONNECTION DIAGRAM
tli m
POWER SUPPLY
6.3V ELECTROLYTIC
0433
2531024003
0.01gF
C434
C435
—437
0438
0439
0400
2544129005
47pF
2531024003
0.01mF
2544151002
2544132005
2544140000
22p F
10pF
4.7pF
10V ELECTROLYTIC
+8
_ °N, 50V CERAMIC
20
50V ELECTROLYTIC
16V ELECTROLYTIC
35V ELECTROLYTIC
0401
2531024003
0.014F
-.32 g%
TC301
T0303
2130022008
2130022008
TRIMMER CONDENCER
TRIMMER CONDENCER
LOOP ANTENNA
+8
20
° % 50V CERAMIC
ANT. TERMINAL
OUTPUT TERMINAL
POWER TRANS
50V CERAMIC
ETC-658
COIL, TRANS.
7
/ FM IFT
, FM IF DET (A)
I FM IF DET (8)
MW ANT. TRANS
AM IFT
NW OSC COIL
T001
T002
,
T003
T301
1303
T305
L002
—003
L004
LP201
LP202
—203
CF001
CF002
CF003
--004
CF301
CF302
XT401 ,
1
ETC-659 —I
INDUCTOR 12.20H)
INDUCTOR 14.74H)
ANTI BIRDIE FILTER
Ls_LI1
LOW PASS FILTER
CERAMIC FILTER
I FM CERAMIC FILTER
FM CERAMIC FILTER
AM CERAMIC FILTER (13FU45004)
AM CERAMIC FILTER 1SEP450H)
X-TAL 17.2 MHz/
FRONT END
OTHER PARTS
8
"PiFqffagi:i
g^figh dE rA 28 ,11 ,.A
° r" Sgge" A §SP.
41- '1 1k9n
RaOAR -,; NR ;
P.W. BOARD
TERMINAL PIN
USED 21
JUMPER WIRE P = 5 mm
USED 1
JUMPER WIRE P = 10 mrn
USED 59
3P NH CONNECTOR BASE
USED 1
5P NH CONNECTOR BASE
USED 2
6P NH CONNECTOR BASE
USED 3
9P NH CONNECTOR BASE
USED 1
11P NH CONNECTOR BASE USED 1
12P NH CONNECTOR BASE USED 1
3P WIRE HOLDER
USED 2
5P WIRE HOLDER
USED 1
3P CONNECTOR CORD
USED 1
5P CONNECTOR CORD
USED 1
SLIDE SW )SCL-202)
USED 1
3P ANT. TERMINAL
USED 1
2P CONNECTOR BASE
USED 1
RADIATOR
USED 1
ETC-660-5
ETC-659-2
Note: 0301 and 0305 must be replaced at the sometime.
ETC-660-1
ETC-660-2
41
ETC-660-4
ETC-659-3
•
R7 0
10
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co i
r 658
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TU 767
min Means important safety itern, which must be replaced,
when necessary, by a part specified or meeting the specification
by the manufacturer.
030 01
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oroorr
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EC
LEVEL
t't40
jOif
C59
altee
A stands for AM.
R stands for REC.
N stands for IF BAND NARROW.
5
RIDD
R10
fD
TRIOS
gecrelslaL)
—
711"
Pic-640-
NOTES
ALL RESISTANCE VALUES IN OHM K. 1,000 OHM M. 1,000,000 OHM
ALL CAPACITANCE VALUES IN MICRO FARAD P. MICRO-MICRO FARAD
EACH VOLTAGE AND CURRENT ARE MEASURED AT NO SIGNAL INPUT CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE.
TU 767
EXPLODED VIEW OF CHASSIS AND CABINET
EXPLODED VIEW OF CHASSIS AND CABINET PARTS LIST
Ref. No.
1
2
3
4
5
6
7,
Part No,
Part Name & Descripitons
O'ty
4110296276
4610162004
4610157080
MD-4601
4430299005
4430301003
461017
, - .6001
Main Chassis
Felt Pad
Cushion
PCB Support
PCB Holder
PCB Holder
Rubber Sheet
1
4
1
1
2
3
1
9
10
11
2050089008
4150088004
1060617902
7PW Terminal
Insulating Sheet
Back Panel
1
I
1
14
15
16
17
18
19
20
21
22
23
24
1460494006
E110659L•1
ETC0658J
ETC0660N•1
394005007
1130502118
1441152202
1460636437
1430339007
1430196101
1430337106
Antenna Holder
Tuner Unit (Main
Trap Unit
Display Unit (Main)
Lithium Battery
Push Knob (Function/
Front Panel
Inner Panel Ass'y
Indicator Sheet
Filter
Window
1
10
i
1
1
6
1
1
1
1
1
Ref. No.
25
26
27
28
29
30
31
32
33
34
-a 35
36
37
38
39
40
41
42
43
44
45
46
47
Part No.
Part Name & Descripitons
ETC0660N•2
ETC0660N-4
ETC0660N-5
4121484103
ETC01359L-2
ETC0659L-3
1130503104
1130501012
1140056007
ETC01360N-6
4450033005
1020122213
1220060008
—
Display Unit (LED)
Display Unit (SIG)
Display Unit (P/SW)
Volume Bracket
Tuner Unit IVR)
Tuner Unit (SW)
Knob Ass'y (Trap)
Push Knob Ass'y
Flexible Ring
Display Unit IF LD)
Wire Clamp Band
Top Cover
Spacer
—
2311060009
5130716065
Loop Antenna
FTZ Label
Note
Marked not including EXPLODED VIEW.
Crty
it
10
18
1
10
lo
1
1
1
to
8
1
1
—
—
1
1
Ref. No.
Part No,
1
Part Name & Descripitons
Qty
SCREWS & NUT
301
302
303
304
306
306
307
308
309
310
311
312
4700010024
SC-10822
4711304033
4766006008
Pen Screw 3x8
Nut-Washer
Pan Screw 3x8 (Black)
Not M3
4770064107
4/30.153010
4730303031
4730304014
4734801005
—
4770224015
Fixing Screw
Tapping Screw 121 3 x6
Tapping Screw 121 306 (Black)
Tapping Screw 11) 308
Tapping Screw (Truss) 44
—
SP Washer
11
PACKING & ACCESSORIES (not included EXPLODED VIEW)
401
402
403
404
405
406
407
408
409
5050075006
5030285007
6019101021
5050061007
5111210108
5150271001
2032101001
6139111001
5138295009
Cabinet Cover
Cushion
Carbon Case
Envelope
Inst. Manual
Information Card (UH)
2P Connector Cord
Color Label (Gold)
Control Card
1
km
DEMON
Means important safety Item, which must be replaced,
8 part specified or meeting the specification
necessary,
M50521551CLft f Of.
Die Deutsche Bundespost Informiert
SOhr
g110110,85.
Rundfunktellnehmer,
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gen 9.11 deS Poll.h. des Seeronts. Offen.. lanvolmen 1.2.1ftliensfe1 em6.655, vers. p.n.
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NIPPON COLUMBIA CO., LTD.
No 14-14, 4-CHOMP AKASAKA,
MINATO-KU, TOKYO 107, JAPAN
TEL 03-584-8111
TLX: JAPANOLA J22591
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