Download Daewoo DTH-21S7 Service manual

DAEWOO(T011-21”)
COLOUR TELEVISION
SERVICE MANUAL
1
CONTENTS
1.
Safety Precautions………………………………………………………………………………… 3
2.
MCU and signal Processor for a PAL/NTSC TV…………………………………………………… 4
3.
Definition of A8899CPCNG6VU9 Pin……………………………………………………………5
4.
Remote Control Circuit Diagram and Function…………………………………………………… 6
1)User Remote……………………………………………………………………………………… 6
2)Service Remote…………………………………………………………………………………… 7
5.
Service Controlled Function………………………………………………………………………… 8
1)White balance adjustment………………………………………………………………………… 8
2)Pictureand AGC adjustment……………………………………………………………………
8
3)Option set………………………………………………………………………………………… 9
6.
Service and Design Data…………………………………………………………………………… 15
7.
ICs Functional Description………………………………………………………………………… 16
8.
Test Point Waveforms……………………………………………………………………………… 16
9.
IC Voltages………………………………………………………………………………………… 17
10. Other……………………………………………………………………………………………
17
2
1. SAFETY PRECAUTIONS
1.
2.
3.
4.
5.
6.
7.
8.
The design of this product contains special hardware, many
circuits and components specially for safety purposes. For
continued protection, no changes should be made to the original
design unless authorized in writing by the manufacturer.
Replacement parts must be identical to those used in the original
circuits. Service should be performed by qualified personnel only.
Alterations of the design or circuitry of the products should not be
made. Any design alterations or additions will void the
manufacturer’s warranty and will further relieve the manufacturer
of responsibility for personal injury or property damage resulting
therefrom.
Many electrical and mechanical parts in the products have
special safety-related characteristics. These characteristics are
often not evident from visual inspection nor can the protection
afforded by them necessarily be obtained by using replacement
components rated for higher voltage, wattage, etc. Replacement
parts which have these special safety characteristics are identified
in the parts list of Service manual. Electrical components having
such features are identified by shading on the schematics and by
( ！ ) on the parts list in Service manual. The use of a substitute
replacement which does not have the same safety characteristics
as the recommended replacement part shown in the parts list of
Service manual may cause shock, fire, or other hazards
Don’t short between the LIVE side ground and ISOLATED
(NEUTRAL) side ground or EARTH side ground when repairing.
Some model’s power circuit is partly different in the GND. The
difference of the GND is shown by the LIVE: ( ) side GND,
ISOLATED (NEUTRAL) : ( ) side GND and EARTH : (
)
side GND. Don’t short between the LIVE side GND and
ISOLATED (NEUTRAL) side GND or EARTH side GND and
never measure with a measuring apparatus (oscilloscope etc.) the
LIVE side GND and ISOLATED (NEUTRAL) side GND or
EARTH side GND at the same time. If above note will not be kept,
a fuse or any parts will be broken.
If any repair has been made to the chassis, it is recommended that
the B1 setting should be checked or adjusted (See ADJUSTMENT
OF B1 POWER SUPPLY).
The high voltage applied to the picture tube must conform with
that specified in Service manual. Excessive high voltage can
cause an increase in X-Ray emission, arcing and possible
component damage, therefore operation under excessive high
voltage conditions should be kept to a minimum, or should be
prevented. If severe arcing occurs, remove the AC power
immediately and determine the cause by visual inspection
(incorrect installation, cracked or melted high voltage harness,
poor soldering, etc.). To maintain the proper minimum level of
soft X-Ray emission, components in the high voltage circuitry
including the picture tube must be the exact replacements or
alternatives approved by the manufacturer of the complete
product.
Do not check high voltage by drawing an arc. Use a high voltage
meter or a high voltage probe with a VTVM. Discharge the
picture tube before attempting meter connection, by connecting a
clip lead to the ground frame and connecting the other end of the
lead through a 10kΩ 2W resitor to the anode button.
When service is required, observe the original lead dress. Extra
precaution should be given to assure correct lead dress in the high
voltage circuit area. Where a short circuit has occurred, those
components that indicate evidence of overheating should be
replaced. Always use the
9. manufacturer’s replacement components.
10. Isolation Check
(Safety for Electrical Shock Hazard)
After re-assembling the product, always perform an isolation
check on the exposed metal parts of the cabinet (antenna terminals,
video/audio input and output terminals, Control knobs, metal
cabinet, screwheads, earphone jack, control shafts, etc.) to be sure
the product is safe to operate without danger of electrical shock.
11. The surface of the TV screen is coated with a thin film which can
easily be damaged. Be very careful with it when handle the TV.
Should the TV screen become soiled, wipe it with a soft dry cloth.
Never rub it forcefully. Never use any cleaner or detergent on it.
(1) Dielectric Strength Test
The isolation between the AC primary circuit and all metal parts
exposed to the user, particularly any exposed metal part having a
return path to the chassis should withstand a voltage of 3000V AC
(r.m.s.) for a period of one second.
(…Withstand a voltage of 1100V AC (r.m.s.) to an appliance rated
up to 120V, and 3000V AC (r.m.s.) to an appliance rated 200V or
more, for a periode of one second.)
This method of test requires a test equipment not generally found
in the service trade.
(2) Leakage Current Check
Plug the AC line cord directly into the AC outlet (do not use a line
isolation transformer during this check.). Using a “Leakage
Current Tester”, measure the leakage current from each exposed
metal part of the cabinet, particularly any exposed metal part
having a return path to the chassis, to a known good earth ground
(water pipe, etc.). Any leakage current must not exceed 0.5mA AC
(r.m.s.).
However, in tropical area, this must not exceed 0.2mA AC
(r.m.s.).
●Alternate Check Method
Plug the AC line cord directly into the AC outlet ( do not use a
line isolation transformer during this check.). Use an AC
voltmeter having 1000 ohms per volt or more sensitivity in the
following manner. Connect a 1500Ω 10W resistor paralleled by a
0.15µF AC-type capacitor between an exposed metal part and a
known good earth ground (water pipe, etc.). Measure the AC
voltage across the resistor with the AC voltmeter. Move the
resistor connection to each exposed metal part, particularly any
exposed metal part having a return path to the chassis, and
measure the AC voltage across the resistor. Now, reverse the plug
in the AC outlet and repeat each measurement. Any voltage
measured must not exceed 0.75V AC (r.m.s.). This corresponds to
0.5mA AC (r.m.s.).
However, in tropical area, this must not exceed 0.3V AC (r.m.s.).
This corresponds to 0.2mA AC (r.m.s.)
3
2.MCU and signal processor for a PAL/NTSC TV
The A8899CPCNG6VU9 is an integrated circuit for a PAL/NTSC TV. A MCU and a TV
signal processor are integrated in a 64-pin shrink DIP package. The MCU contains 8-bit
CPU, ROM, RAM, I/O ports, timer/counters, A/D converters, an on-screen display
controller, remote control interfaces, IIC bus interfaces and the Closed Caption decoder. The
TV signal processor contains PIF, SIF, Video, multi-standard chroma, Sync, RGB
processors.
◆ A8899CPCNG6VU9
MCU+OSD+CCD+ TV Processor controller with Software inside.
◆ 24C08
Non Volatile memory(EEPROM)
◆ STV9325
Vertical deflection system output circuit.
◆ TDA7263
Audio Output
◆ SC6122
Remote Controlled Transmitter.
TOSHIBA G8 chassis color TV block diagram
Speaker
AV Input/Output
Audio Out
ANT
Tuner
MEMORY
SA
Sound Process
MCU ， PIF/SIF, Video ,Chroma,
Sync, RGB processors,
H./V. driving pulse
CRT Drive
CR
V.OUT
H.OUT
IR transmit
IR receive
Power
Supply
4
3. Definition of A8899CPCNG6VU9 Pin
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Pin name
X-ray
Thermal resistance
KEY
VSS
RESET
XOUT
XIN
TEST
VDD
VSS
TV DEF AGND
FBP in
H out
HAFC 1
V saw
V out
AVcc(8V)
TV A GND
Cb in
EW out
Cr in
Ext AU1 in
C/V3 in
Y/V2 in
ALC Filter
V1 in
ABCL
AU out1(ATT)
AU out2(ATT)
TV out/FM radio
SIF out
Ext AU2 in
H correct/SIF in
DC NF
I/O
I/O
Out
I/O
I/O
Out
In
In
In
Out
Out
In
Out
In
In
In
In
In
In
In
Out
Out
Out
Out
In
In
Out
35
PIF PLL
-
36
37
38
IF Vcc 5V
Reg Fil
AU monitor out1
-
39
40
41
42
43
44
45
IF AGC
IF GND
IF in
IF in
RF AGC
Black Det
SVM/Monitor
In
In
46
47
48
49
50
51
APC Filter
YC Vcc 5V
EHT in
DVCC
R out
G out
-
In
Out
Out
Function
X-ray
Thermal resistance
Key input
GND connection
Reset signal input
8 MHz oscillator connecting
8 MHz oscillator connecting
GND connection
5V power supply
GND connection
GND yerminal for TV DEF block
Input terminal for FBP
Output terminal for Horizontal driving pulse
Terminal to be connected capacitor for H AFC filter
Terminal to be connected capacitor to generate Vsaw signal
Output terminal for Vertical driving pulse
Vcc terminal for DEF,RGB,Audio out and PIF out circuit
GND terminal for TV block
Input terminal for Cb signal
output terminal for EWsignal
Input terminal for Cr signal
Input terminal for Audio1 signal 1
Input terminal for Chroma or Video signal
Input terminal for Video signal2 or Y signal
Terminal to be connected capacitor for ALC(Audio Level Control)
Input terminal for Video signal.(Input leave = 1 Vp-p)
Input terminal for ABL/ACL control
Output terminal 1 for Audio signal
Output terminal 2 for Audio signal
Output terminal for detected PIF signal or FM radio
Output terminal for 1bit DAC, detected SIF signal or audio monitor out 2.
Input terminal for External Audio signal 1
Input terminal for H correction and 2nd SIF
Terminal to be connected capacitor for DC Negative Feedback from SIF Det
output
Terminal to be connected with loop filter for PIF PLL.This terminal voltage is
controlled PIF VCO frequency.
Vcc terminal for IF circuit. Supply 5V.
Terminal to be connected capacitor for stabilizing internal bias.
Output terminal for External Audio signal or TV audio signal selected by
BUS(Audio SW)
Terminal to be connected with IF AGC filter.
GND terminal for IF circuit.
Input terminals for IF signals.
Input terminals for IF signals.
Output terminal for RF AGC control level.
Terminal to be connected with Black Det filter for black stretch.
Output terminal for monitor function. Also output terminal for SVM signal
selectable through IIC bus.
Terminal to be connected with APC filter for chroma demodulation.
Vcc terminal for Y/C circuit
EHT input
Vcc terminal for digital block
Output terminal for R signal.
Output terminal for G signal.
5
52
53
54
55
56
B out
TV DGND
up AGND
up AVDD
VIDEO1/2
Out
Out
57
58
59
60
61
62
63
64
SDA1
SCL1
50/60Hz control
PWM
MUTE
H.SYNC
REMOTE
POWER
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Output terminal for B signal.
GND terminal for digital block.
GND for Oscillator circuit
Vdd for Oscillator circuit Supply 5V
TV=0,AV1=OPEN，AV2=5V
IIC-BUS SDA1
IIC-BUS SCL1
50/60Hz
PWM
MUTE
Horizontal sync signal input
Remote controller signal input
Power control & Check, On=Hi-Z(input),Off=L(output)
4. Remote Control Circuit Diagram and Function
A.User Remote
OPTION
56
40
45 49 4D
4C
03 07 0B 0F
1B 1F
02 06 0A 0E 12 16 1A 1E
01 05 09 0D 11
00 04 08 0C 10
14
NO.
Code
Name
TV Mode
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
0
1
2
3
4
5
6
7
8
9
CCD
-/-MENU
SYS
QV
0
1
2
3
4
5
6
7
8
9
CCD
1-Menu switch
System
Quick View
Video PP
→ ∣ P∣ ←
CUSL
CUSH
Diode
User Remote
40
BF
Pin15
6
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10
11
12
14
16
1A
1B
1E
1F
40
45
49
4C
4D
56
MUTE
EyeCare
POWER
TV/AV
DISPLAY
V+
P+
VPService
SLEEP
CALE
ZOOM
MSG
LOCK
Mute/unmute
EyeCare
Power on/off
TV/AV
Status Recall
Volume +/Menu Item adjust(increase) and confirm
Channel +/Menu Item select
Volume -/Menu Item adjust(decrease)
Channel -/Menu Item select
Service in
Sleep
Calendar
Screen zoom/wide
Message
Lock
B.Service Remote
CUSL
CUSH
Diode
NO.
Code
Name
TV Mode
01
02
11
12
13
00
01
0A
0B
0C
G-DRV
B-DRV
MUTE3
MENU
↑
G DRIVE
B DRIVE
To set the screen into a horizontal line.
MENU
ITEM SELECT UP
14
0D
↓
ITEM SELECT DOWN
15
0E
←
Menu Item adjust(decrease)
16
0F
Menu Item adjust(increase)
17
18
19
20
21
10
11
12
13
14
→
EWP
EWPS
EWT
EWTS
POWER
Service Remote
8E
8E
Pin6,7,8,12
60HZ EW-parabola adjustment
50HZ EW-parabola adjustment
60HZ EW T-Distortion
50HZ EW T adjustment
Power / Stand-by
7
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
42
44
45
46
48
49
50
51
58
60
61
62
63
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
29
2B
2C
2D
2F
30
31
32
39
3B
3C
3D
3E
HPOS
OSD
M-MODE ON
EWCT
WIDS
VPOS
HIT
HPS
VPS
RCUT RCUT +
GCUT GCUT +
BCUT BCUT +
HITS
VLIN
EWCB
BRTS
D-Mode ON/OFF
VCEN
POS UP
POS DOWN
Shopout
S-PVOC
BUS OFF
VSC
VLIS
AGC
TV IC ADJUST
60Hz HORIZONTAL PHASE
OSD POSITION ADJUSTMENT
M-MODE ON
60HZ EW Top-corner
50HZ WIDS
60Hz VERTICAL PHASE
60Hz VERTICAL AMPLITUDE
50Hz HORIZONTAL PHASE
50Hz VERTICAL PHASE
R CUT adjust(decrease)
R CUT adjust(increase)
G CUT adjust(decrease)
G CUT adjust(increase)
B CUT adjust(decrease)
B CUT adjust(increase)
50Hz VERTICAL AMPLITUDE
60Hz VERTICAL-LINEARILTY
60HZ EW bottom-corner
Sub Bright
D-Mode ON/OFF switch
Vertical Centering
Position Up
Position Down
Shop-out
LOGO ADDRESS
BUS OFF
60Hz VERTICAL-S CORRECTION
50Hz VERTICAL-LINEARILTY
RF-AGC
White balance automatic adjustment
5.Service Controlled Function
The Service mode is entered by pressing the “D-MODE ON/OFF” key when the TV is in ON condition,”D” is displayed on
the screen.. Press the “POWER” key to exit Service mode.
Note:How to use user remote enter Service mode?
Press “MENU”→ “ 6” → “ 4” → “ 8” → “ 3” key
(1)White balance adjustment
The items within the White Balance mode can be accessed using “Item up” (↑ )/ “Item down” (↓ ) keys and the selected
item value is modified using “Value+” (→ )/ “Value-” (← ) keys. The parameters controlled in the White Balance menu are:
a)Press the
key to set the screen into a horizontal line
b)RCUT + : Red cut-off value increase
c)RCUT - : Red cut-off value decrease
D
d)GCUT +: Green cut-off value increase
e)GCUT -: Green cut-off value decrease
009 GDRV
f)BCUT +: Green cut-off value increase
40
g)BCUT -: Green cut-off value decrease
01000000
h)Press the
key again to return to the normal picture.
i)GDRV -: Green drive
j) → : value increase
k) ← : value decrease
l)BDRV +: Blue drive
m) → : value increase
n) : value decrease
(2)Picture and AGC service adjustment
The items within the Picture mode can be accessed using “Item up” (↑ )/ “Item down” (↓ ) keys and the selected item
value is modified using “Value+” (→ )/ “Value-” (← ) keys. The parameters controlled in the Picture menu are:
a) VCEN: 60Hz VERTICAL PHASE
D
b) HPOS: 60Hz HORIZONTAL PHASE
c) VPOS: 60Hz VERTICAL PHASE fine adjustment
043 VCEN
3A
00111010
8
d) HIT: 60Hz VERTICAL AMPLITUDE
e) HITZ: 60Hz ZOOM VERTICAL AMPLITUDE
f) HITW: 60Hz WIDE VERTICAL AMPLITUDE
g) VLIN: 60Hz VERTICAL-LINEARILTY
h) VSC: 60Hz VERTICAL-S CORRECTION
i) EWP: 60Hz Parabola Adjustment
j) EWPZ: 60Hz ZOOM Parabola Adjustment
k) EWPW: 60Hz WIDE Parabola Adjustment
l) EWT: 60Hz T-Adjustment
m) EWCT: 60Hz Top-corner Adjustment
n) EWCB: 60Hz bottom-corner Adjustment
o) WID: 60Hz HORIZONTAL SIZE
p) HPS: 50Hz HORIZONTAL PHASE
q) VPS: 50Hz VERTICAL PHASE
r) HITS: 50Hz VERTICAL AMPLITUDE
s) VLIS: 50Hz VERTICAL-LINEARILTY
t) VSS: 50Hz VERTICAL-S CORRECTION
u) EWPS: 50Hz Parabola Adjustment
v) EWTS: 50Hz T-Adjustment
w) WIDS: 50Hz HORIZONTAL SIZE
x) RAGC:Tuner AGC.
(3)Option set
1)OPT
OPT
Bit
Function
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
The algorithm of ASM
The algorithm of ASM
VT Down of AFT when No Signal
Fjp_bb_v_freq
Fjp_digital_aft
V MUTE V-MuteOn/Off when CH changes
Fvmute_type During POS change
Fjp_menu_background
Status “ 0”
ASM doesn't judge IFLOCK with case 4
ASM doesn't judge AFT area with case 4
no use
C_BB_V_FREQ_313H
no use
Off
Y-MUTE
no use
Status “ 1”
ASM judge IF LOCK with case 4
ASM judge AFT area with case 4
use
C_BB_V_FREQ_312_5H
use
On
RGB-CUT Off DC
use
Status “ 0”
no use
no use
normal
no use
AV status memory
multi color system
p3
no use
Status “ 1”
use
use
inverse
use
only TV while power on
only358ntsc
p2
use
Status “ 1”
add special process for mute
refresh the registers of FS tuner at
the interval of 256ms
1S delay power on
must use remote control to open
TV
use
use
mute
35%(set bit6 of register 0x1e of
2in1 to 1)
2)OPT1
OPT1
Bit
Function
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Fjp_calendar
Fjp_eyecare
Fjp_tint
Fjp_screen
Fjp_rf_pwron
Fjp_ntsc358
Fjp_uhf
Fjp_message
3)OPT2
OPT2
Bit
Function
Bit7
Bit6
Fjp_mute_process
Fjp_refresh_tuner
Status “ 0”
no special process
no refresh
Bit5
Bit4
Fjp_pwr_delay
Fjp_power_option
nouse
stand by status
Bit3
Bit2
Bit1
Bit0
Fjp_woofer
Fjp_ta1343n
Fav_chg_mute
Fslice_level(use to control the seventh
bitof2in1 0x1e register)
no use
no use
not mute
40%( set bit6 of register 0x1e of 2in1 to
0)
4)OPT3
OPT3
Bit
Function
Bit7
Bit6
6:9/4:3Display
VPOS range
Status “ 0”
no use
00~07
Status “ 1”
use
00~0F
9
Bit5
Fjp_pos_av_option
no use
using local pos key to enter AV
while no local TV/AV key
Bit4
Bit3
Bit2
Fjp_mute_exmute
Fjp_50_60hz_control
Fjp_panel_power
no use
no use
panel power key is permitted while panel
lock
use
use
panel power key is forbidden while
panel lock
Bit1
Exmute while pos
change
Extend mode attenuation
exmute output
no exmute
according to effect1
-5db
Bit0
5)AOPT
Bit
AOPT
Function
Status “ 0”
Status “ 1”
Bit7-6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
No use
Fjp_dvd_output
Fjp_av_stereo
Fjp_fm
Fjp_video2
Fjp_dvd
Fjp_S-video
following AV1
AV mono
no FM
no VIDEO2
no DVD
no S-video
following AV2(pin56 or pin61)
AV stereo
use FM
use VIDEO2
use DVD
use S-video
Bit
Function
Bit7
Bit6
Bit5-4
Bit3
Bit2
Bit1-0
No use
ALS SW for ta1343
ALS start point
No use
Input attenuation
No use
Bit
Function
Bit7
Bit6
Bit5-4
Bit3
Bit2-0
Bass boost
No use
Woofer LPF
No use
Surround effect level
6)EFF1
EFF1
Status “ 0”
Status “ 1”
This bit must be zero
off
on
00:220[mv] 01:380[mv] 10:525[mv] 11:770[mv]
This bit must be zero
0dB
-5dB
7)EFF2
EFF2
Status “ 0”
Status “ 1”
off
on
This bit must be zero
on
00:100[hz] 01:125[hz] 10:170[hz] 11:210[hz]
000:off
001:1
…..
111:7
8)CCOR
CCOR
Bit
Function
Bit7
Bit6
Bit5-4
Bit3-0
No use
Italic enable specification register
No use
Set menu character’s color
Status “ 0”
Status “ 1”
No use
normal
italic
No use
0:BLACK 1:BLUE
2:GREEN 3:CYAN 4:RED 5: MAGENDA
6:YELLOW 7:WHITE 8:BLACK 9: DARK BLUE
10:DARK GREEN and so on
9)TCOR
TCOR
Bit
Function
Bit7
Bit6
Bit5
Bit4
Bit3-0
No use
Italic enable specification register
Underline enable specification register
No use
Set menu top character’s color
Status “ 0”
Status “ 1”
No use
normal
italic
normal
underline
No use
0:BLACK 1:BLUE
2:GREEN 3:CYAN 4:RED 5: MAGENDA
6:YELLOW 7:WHITE 8:BLACK 9: DARK BLUE
10:DARK GREEN and so on
10)SCOR
SCOR
Bit
Function
Bit7
Bit6
Bit5-4
No use
Italic enable specification register
No use
Status “ 0”
No use
0:normal
1: italic
No use
Status “ 1”
10
Bit3-0
Set menu selected character’s color
0:BLACK 1:BLUE
2:GREEN
6:YELLOW 7:WHITE
3:CYAN 4:RED
5: MAGENDA
Bit
Function
Bit7
Transparency enable register for the menu
area
Color select for the menu area
Status “ 0”
not assign half transparency
Status “ 1”
assign half transparency
0:BLACK 1:BLUE
2:GREEN
3:CYAN 4:RED 5: MAGENDA
6:YELLOW 7:WHITE
not assign half transparency
assign half transparency
11)ACOR
ACOR
Bit6-4
Bit3
Bit2-0
Transparency enable register for the
highlight menu area
Color select for the highlight menu area
0:BLACK 1:BLUE
2:GREEN
6:YELLOW 7:WHITE
3:CYAN 4:RED
5: MAGENDA
12)CALB
CALB
Bit
Function
Bit7
Bit6-4
Transparency enable register for calendar
area
Background color for the calendar area
Bit3
Bit2-0
Transparency enable register for week area
Background color for the week area
Status “ 0”
not assign half transparency
Status “ 1”
assign half transparency
0:BLACK 1:BLUE 2:GREEN3:CYAN 4:RED 5: MAGENDA
6:YELLOW 7:WHITE
not assign half transparency
assign half transparency
0:BLACK
1:BLUE
2:GREEN3:CYAN
4:RED
5: MAGENDA
6:YELLOW 7:WHITE
13)CALC
CALB
Bit
Function
Bit7-3
Bit2-0
Set the character color of calendar
0:BLACK 1:BLUE 2:GREEN3:CYAN 4:RED 5: MAGENDA
6:YELLOW 7:WHITE
Bit
Function
Status “ 0”
Bit7
Bit6
Bit5
Bit4
No use
Fjp_logv_plus
Fjp_logo_size
Fjp_logo_tvon
up
middle
no use
Bit3
Bit2-0
Fjp_logo_nosignal
Set logo color
Status “ 0”
Status “ 1”
No use
14)LOGO
LOGO
Status “ 1”
no use
000: black 001:blue
110: yellow 111: white
down
large
logo display while switching on
TV set
logo display while no signal
010: green 011: cyan 100: red 101: magenda
15)LOGH
adjust the horizontal display position of lo
16)LOGV
adjust the vertical display position of logo
17UVBK
LOGO
Bit
Function
Bit7-4
Bit3-0
U BLK ADJ
V BLK ADJ
Status “ 0”
0: -22mV, Input DC
0: -22mV, Input DC
8: 0mV
8: 0mV
Status “ 1”
F: 19mV, 2.75mV/dev
F: 19mV, 2.75mV/dev
18) ABCL
ABCL
Bit
Function
Bit7
Bit6
Bit5-4
Fjp_rf_agc
Y Peak Limiter
ACL STATR POINT
Status “ 0”
IF isn't mute while AV
Y peak limiter on,105IRE
0:0V
01:-0.2V
Bit3
Bit2
Bit1
Bit0
ABL START POINT
00: 0V
ABL GAIN
00: -0.2V
01: -0.2V
01: -0.35V
10:-0.3V
Status “ 1”
IF mute while AV
Y peak limiter off
11:-1.0V ACL OFF
10: -0.30V
10: -0.5V
11: -0.4V
11: -0.65V
19)DCBS
11
DCBS
Bit
Function
Bit7
Bit6
Bit5
Bit4
Bit3-2
C Trap Q _Y
Blanking switch
No use
Black stretch SW
Y GAMMA
Bit1-0
Black stretch start point and gain
Status “ 0”
Low
H,V blanking on
Status “ 1”
High
H,V blanking off
Off
00:off
On
01:Y gamma point 78IRE,gain-6db
10:68 IRE
11:58 IRE
00:30IRE,gain high 01:40IRE,gain high 10:50IRE,gain low 11:75IRE,gain
low
20)CLTM
CLTM
Bit
Function
Bit7
Bit6
Bit5
Bit4-3
P/N ID
Killer off
N COMB
Demodulation Phase
Bit2-0
Y Delay Time
000:0ns 001: 40ns 010: 80ns
110: 240ns 111: 280ns
Bit
Function
Bit7-6
AFC GAIN (TV mode, weak signal and
Nois_Bit4=0)
AFC GAIN (TV mode, strong signal and
Nois_Bit4=0)
AFC GAIN (AV mode)
AFC GAIN (TV mode, and Nois_Bit4=1)
Status “ 0”
Data Description Blanking
Blanking period Picture period
00:
1
1
01:
4/3
1/3
10:
2
1
11: OFF
OFF
Status “ 0”
PAL/NTSC killer sensitivity, Normal
Normal
Off
00:PAL
01:NTSC1 10:NTSC2
Status “ 1”
LOW
Always killer off
Color comb filter for NTSC. On
11:DVD
011: 120ns 100: 160ns
101: 200ns
21)HAFC
CLTM
Bit5-4
Bit3-2
Bit1-0
Status “ 1”
22)FLG0
FLG0
Bit
Function
Bit7
Bit6-5
vco adjust when position select
Select f0 of chroma BPF
Bit4
BPF-SW
Bit3
Fvcd_spot_killer
Bit2
Bit1
Bit0
Nyquist Buzz cancel
No use
Over mode
Status “ 0”
Status “ 1”
enable
disable
0: BPF (AV) 01: TOF1(F0=5MHZ)RF 10: TOF2(F0=6MHZ)RF
11: TOF3(F0=7MHZ)RF
Normal, CVBS signal passes along BPF
By pass, CVBS signal doesn't
pass along BPF
If BB=1, RGB out is 110 IRE
off
Nyquist Buzz cancel
off
Normal
PIF over modulation switch on
Status “ 0”
ABCL active for OSD
Status “ 1”
inactive
23)FLG1
FLG1
Bit
Function
Bit7
Bit6
Bit5-4
OSD ABL
No use (don't use it)
OSD CONTRAST
Bit3
Horizontal side blanking
OFF
Bit2
Bit1
Bit0
Fvcd_fm_band
V ramp bias
CW SW
Normal
power from Y/C VCC
Off
On, 92% (FBP BLK off, then
internal BLK only)
Wide
power from IC
On
Bit
Function
Status “ 0”
Status “ 1”
Bit7-5
Bit4
No use
MON/SVM
Pin45 SVM out
Monitor out
00: 95 IRE
01: 60 IRE
10: 70 IRE
11: 80 IRE
24)SVM
SVM
12
Bit3-2
SVM delay
00:off
Bit1-0
SVM gain
00: -7dB
01:-120ns
10:-100ns
01:-1Db 10:+5dB
11:-80ns
11:+11dB
25)UCOM
UCOM
Bit
Function
Bit7-5
Bit4-3
No use
C APC DATA
Bit2
Bit1-0
Set chroma APC
Internal ADC
Status “ 0”
Status “ 1”
00: data 1-normal for black &white &NTSC 01: Data 2 10: Data 3 for
PAL 11: the same as 10
disable
enable use Bit 3,4 data
00:GND
01: R output 10: B output 11: Monitor RF AGC via ADC
26)SSM
SSM
Bit
Function
Bit7-6
Bit5-4
No use
S Trap Frequency response Control HP/LP
For M
S Trap Q. for M
S Trap Group Delay Control for M
00: Q = 3
00:off
Bit
Function
Status “ 0”
Status “ 1”
Bit7-2
Bit1
Bit0
No use
Fvcd_sync_separation level
Sync slice level for weak signal
40%
normal
50%
low
Bit3-2
Bit1-0
Status “ 0”
Status “ 1”
00:OFF 01:1dB HPF 10:-3dB LPF 11:-2dB LPF
01:Q = 5 10:Q = 7 (Recommended) 11:Q = 9
01:60ns 10:90ns
11:120ns
27)SYNC
SYNC
28)SYBN
SYBN
(Sync
detecti
on
setting
for BB
On)
Bit
Function
Bit7
Bit6
Bit5
No use
Reg.19H bit7 SY-DET-1 for 889x
Reg.19H bit6 SY-DET-4 for 889x
Bit4
Bit3
Bit2
Bit1-0
Reg.19H bit5 0 for 889x
Reg.21H bit1 SY-DET-2 for 889x
Reg.21H bit0 SY-DET-3 for 889x
Sel sync check mode for BB on
Status “ 0”
Status “ 1”
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
00:checking H-LOCK-1 flag(bit3 of r0) 01:checking
flag(bit4 of r1) 1x:checking VLOCK flag (bit7 of r1)
H-LOCK-2
29)SYBF
SYNB
(Sync
detecti
on
setting
for BB
Off)
Bit
Function
Bit7
Bit6
Bit5
No use
Reg.19H bit7 SY-DET-1 for 889x
Reg.19H bit6 SY-DET-4 for 889x
Bit4
Bit3
Bit2
Bit1-0
Reg.19H bit5 0 for 889x
Reg.21H bit1 SY-DET-2 for 889x
Reg.21H bit0 SY-DET-3 for 889x
Sel sync check mode for BB oFF
Status “ 0”
Status “ 1”
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
00:checking H-LOCK-1 flag(bit3 of r0)
flag(bit4 of r1)
1x:checking VLOCK flag (bit7 of r1)
01:checking
H-LOCK-2
30)SYSR
SYNB
(Sync
detect
ion
settin
Bit
Function
Bit7
Bit6
Bit5
No use
Reg.19H bit7 SY-DET-1 for 889x
Reg.19H bit6 SY-DET-4 for 889x
Bit4
Bit3
Reg.19H bit5 0 for 889x
Reg.21H bit1 SY-DET-2 for 889x
Status “ 0”
Status “ 1”
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
13
g for
searc
h/tuni
ng)
Bit2
Bit1-0
Reg.21H bit0 SY-DET-3 for 889x
Sel sync check mode for search/tuning
00:checking H-LOCK-1 flag(bit3 of r0)
flag(bit4 of r1)
1x:checking VLOCK flag (bit7 of r1)
01:checking
H-LOCK-2
31)VCD0
VCDO
Bit
Function
Bit7-6
Bit5-4
Audio Monitor Out
C Trap MD
Bit3
Bit2
Bit1
Bit0
Halftone Gain
U/V Switch
Sharpness f0 frequency
Sync. skew switch
Status “ 0”
Status “ 1”
00:depend on Audio SW 01:TV 1X:mute
00: interlocking video SW 01: as 00 10: not interlocking C-trap off 11: not
interlock C-trap on
Main:OSD 30%: 70%
Main:OSD 50%: 50%
Cb/Cr, Cr input(#21)gain up,+3Db
U/V
2.75MHz
4MHz
OFF
sync skew detection on
Bit
Function
Status “ 0”
Bit7-4
Bit3-2
Bit1-0
No use
PIF detected output level trimming
FM BPF
00: 1.05Vp-p 01:do not use 10: 2.2Vp-p 11:do not use
00: internal BPF mode 01: not use10: not use 11: external BPF mode
32)VCD1
VCD1
Status “ 1”
33)CATVM
00=STD
01=IRC
02=HRC
34)LOGO address
280-28F
290-29F
logo display while switching on TV set
logo display while no signal
Use No.5 Service Remote press“ S-PVOC” key into LOGO address, then use No.1 Service Remote press“ ↑ /↓ ” key to select LOGO
address and press “ ← /→ ”
1)A~Z
alphabet A
B
data
41
42
C
43
D
44
E
45
F
46
G
47
H
48
I
49
J
4A
K
4B
L
4C
M
4D
alphabet
data
N
4E
O
4F
P
50
Q
51
R
52
S
53
T
54
U
55
V
56
W
57
X
58
Y
59
Z
5A
2）a~z
alphabet
data
a
61
b
62
c
63
d
64
e
65
f
66
g
67
h
68
i
69
j
6A
k
6B
l
6C
m
6D
alphabet
data
n
6E
o
6F
p
70
q
71
r
72
s
73
t
74
u
75
v
76
w
77
x
78
y
79
z
7A
3）0~9
number
data
0
30
1
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
4）Other
Other
：
data
3A
Other
,
data
2C
；
3B
!
21
.
=
>
?
/
(
)
@
<
&
_
2E
“
22
3D
#
23
3E
$
24
3F
%
25
2F
28
29
40
3C
26
2D
5）Spacing and End
Spacing/End Spacing
data
20
key to adjustment data.
End
00
35) PVHH/PVHL/PUHH/PUHL
FS Tuner band set
For example: Some Tuner band specification is:
L：55.25-127.25 MHz(C2-B)/M:133.25-361.25 MHz(C - W+11)/H:367.25-801.25 MHz(W+13 –C69)
PVHH/PVHL
{[(127.25+133.25)÷2+45.75]x16-48} =2768(algorism), change to hex is 0AD0，so PVHH=0A ，PVHL=D0
PUHH/PUHL
{[(361.25+367.25)÷2+45.75]x16-48}=6512(algorism), change to hex is 1970，so PVHH=19 ，PVHL=70
14
PVHH=OA
PVHL=D0
PUHH=19
PUHL=70
6. Service and Design Data
007
008
Model:T011
ITEM
DATA
RCUT
20
GCUT
20
BCUT
20
009
010
GDRV
BDRV
011
012
CNTX
BRTS
013
014
BRTC
COLC
015
016
TNTC
COLP
40
40
7F
00
48
40
40
00
017
SCNT
0A
NO.
006
018
CNTC
019
020
CNTN
BRTX
021
022
BRTN
COLX
023
024
COLN
TNTX
025
TNTN
026
ST3
027
SV3
028
029
ST4
SV4
030
031
SVD
ASSH
032
033
SHPX
SHPN
034
035
UVBK
ABCL
036
037
DCBS
CLTM
038
039
CLVO
CLVD
58
00
35
25
35
0B
35
28
20
25
18
25
25
07
35
10
88
E7
17
B7
B7
98
040
041
HBST
HBSP
00
00
042
043
VBLK
00
VCEN
34
044
045
HPOS
VPOS
12
03
046
047
HIT
HITZ
32
08
CRT:21 SLIM A51QGV991X231
REMARK
Data：2008-11-18
NO.
ITEM
R CUT OFF
G CUT OFF
B CUT OFF
075
076
077
HAFC
G DRIVE
B DRIVE
SUB CONTRAST MAX
SUB BRIGHNESS
SUB BRIGHT CENTER
SUB COLOR for NTSC
SUB TINT CENTER
SUB COLOR for PAL
078
079
080
081
082
083
084
085
V1
V25
SUB CONTRAST
086
SUB CONTRAST CENTER
SUB CONTRAST MIN
SUB BRIGHT MAX
SUB BRIGHT MIN
SUB COLOR MAX
SUB COLOR MIN
SUB TINT MAX
SUB TINT MIN
TV—3.58 SHARP
AV—3.58 SHARP
TV—4.43 SHARP
AV—4.43 SHARP
DVD SHARP CENTER
ASYMMETRY SHARP
SUB SHARP MAX
SUB SHARP MIN
U/V BLK ADJ
ABL SYSTEM
A part of Video data in detail
The data when TV mode&SOUND SYS=M
The data when YUV mode&SOUND SYS!=M
The data when YUV mode&SOUND SYS=M
H. BLK Start
H. BLK Stop
V BLK Start/Stop
V CENTERING
60Hz HORIZONTAL PHASE
60Hz VERTICAL PHASE
60Hz VERTICAL AMPLITUDE
Zoom VERTICAL AMPLITUDE
087
088
089
090
091
092
093
094
095
096
097
098
099
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
NOIS
NDTC
V50
V100
AV25
AV50
AV100
ATTV
DATA
AFC GAIN
NOISE
NOISE DET count (Weak -> Normal)
09
40
57
70
42
5A
77
68
TV VOLUME 1%
TV VOLUME 25%
TV VOLUME 50%
TV VOLUME 100%
AV VOLUME 25%
AV VOLUME 50%
AV VOLUME 100%
To set the register of audio ATT while using ta1343n at TV
or FM mo de
To set the register of audio ATT while using ta1343n at
VIDEO or DVD mode
BASS CENTER VALUE
TREBLE CENTER VALUE
BALANCE CENTER VALUE
WOFFER CENTER VALUE
BASS MAX VALUE
TREBLE CENTER VALUE
WOFFER CENTER VALUE
SOUND EFFECT1
SOUND EFFECT2
FLAGS
FLAGS
SVM
Miciom Control
AUDIO STEP
S Trap f0 For M
S Select For M
SYNC
Sync detection setting for BB On
Sync detection setting for BB Off
Sync detection setting for search/tuning
Blue back hysteresis counter (BUS H sync detection)
VCD0 data
VCD1 data
Set menu character’s color
Set menu top character’s color
Set menu selected character’s color
Set menu’s background color
Menu color option
SET CALENDAR BACKGROUND COLOR
CCD OSD POSITION ADJUSTMENT
68
ATAV
BASC
TREC
BALC
WOFC
BASX
TREX
WOFX
EFF1
EFF2
FLG0
FLG1
SVM
UCOM
AUSTP
STM
SSM
SYNC
SYBN
SYBF
SYSR
BBCT
VCD0
VCD1
CCOR
TCOR
SCOR
ACOR
CALB
CALC
CCD OSD
REMARK
86
0F
1F
40
40
3F
39
72
72
72
40
17
46
20
10
10
04
07
07
02
44
44
44
04
0E
08
43
65
06
88
FD
00
30
15
048
049
HITW
VLIN
15
0F
050
VSC
18
051
HBOW
04
052
053
HPAR
04
EWP
EWPZ
EWPW
EWT
EWCT
EWCB
HEHT
VEHT
WID
WIDM
EWPM
OV60
HPS
VPS
HITS
VLIS
VSS
EWPS
EWTS
WIDS
OV50
RAGC
51
15
23
17
07
08
00
04
39
08
06
05
FD
02
01
FF
01
01
00
01
00
25
054
055
056
057
058
059
060
061
062
063
064
065
066
067
068
069
070
071
072
073
074
Wide VERTICAL AMPLITUDE
60Hz VERTICAL-LINEARILTY
60Hz VERTICAL-S CORRECTION
H. BOW
H. PAR
60Hz Parabola A
60Hz ZOOM Parabola
60Hz WIDE Parabola
60Hz T- Distortion
60Hz Top-corner
60Hz bottom-corner
HORIZONTAL EHT
VERTICAL EHT
60Hz HORIZONTAL SIZE
16:9 CRT HORIZONTAL SIZE
16:9 CRT Parabola
OSD Vertical position for 60Hz
50Hz HORIZONTAL PHASE
50Hz VERTICAL PHASE
50Hz VERTICAL AMPLITUDE
50Hz VERTICAL-LINEARILTY
50Hz VERTICAL-S CORRECTION
OSD Vertical position for 50Hz
50Hz T- Distortion
50Hz HORIZONTAL SIZE
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
001
002
003
004
005
RF AGC
CCD OSDF
OSDF
OSD
CUSL
CUSH
FSAD
VPL
VADJ
SADJ
LOGH
LOGV
LOGO
ERAS
CATVM
WTON
WOTF
PVHH
PVHL
PUHH
PUHL
SOSP
HPSD
OTP
OTP1
OTP2
OTP3
AOTP
59
51
10
40
BF
C0
C1
00
07
00
0F
45
A3
00
7D
EF
0A
D0
19
70
10
03
17
9D
B2
13
16
CCD OSD WIDTH
OSD WIDTH
OSD POSITION ADJUSTMENT
To set remote controller's custom code(low byte)
To set remote controller's custom code(high byte)
FS tuner address
Be used to adjust the xray protect voltage
Be used to adjust the base input voltage of eyecare
Be used to adjust the check speed of eyecare
LOGO HORIZONTAL POSITION
LOGO VERTICAL POSITION
LOGO select
Be used to adjust the time of thermal resistance control
CATV select
Turn on delay set
Turn off delay set
Be used to set the start frequency of VHFH band of FS tuner(high byte)
Be used to set the start frequency of VHFH band of FS tuner(low byte)
Be used to set the start frequency of UHF band of FS tuner(high byte)
Be used to set the start frequency of UHF band of FS tuner(low byte)
Position OSD adjustment
DVD HORIZONTAL PHASE
OPTION
OPTION1
OPTION2
OPTION3
AV OPTION
7．ICs Functional Description
STV9325
PIN
1
2
3
4
Function : Vertical Output
PIN CONNECTIONS
Input
Supply Voltage
Flyback Generatoy
Negative Supply
PIN
5
6
7
TDA7263(Stereo IC)
Function : Audio Output
PIN
PIN CONNECTIONS
PIN
1
NON INVERTING INPUT((1)
7
2
INVERTING INPUT(1)
8
3
SVR/MUTING
9
4
INVERTING INPUT(2)
10
5
NON INVERTING INPUT(2)
11
6
GND
PIN CONNECTIONS
V. OUT
Output Stage Vcc
NON. INV. IN
PIN CONNECTIONS
NC
OUTPUT(2)
+Vs
OUTPUT(1)
NC
8．Test Point Waveforms
2Vpp
H
A8891 PIN30
95Vpp
1Vpp
H
A8891 PIN26
95Vpp
3.8Vpp
H
A8891 PIN50
95Vpp
3.8Vpp
H
A8891 PIN51
7Vpp
3.8Vpp
H
A8891 PIN52
5Vpp
H
H
CRT KR
4.5Vpp
H
CRT KG
1.3Vpp
H
CRT KB
0.7Vpp
H
A8891 PIN6
H
A8891 PIN13
1000Vpp
A8891 PIN12
23Vpp
H
HEATER
16
V
A8891 PIN16
H
V411 C
V444 B
75Vpp
H
V444 C
9. IC Voltages
A8899CPCNG-6VU9
Pin
Voltage
1
2.7
2
0.1
3
5.1
4
0.0
5
5.1
6
2.3
7
2.1
8
0.0
9
5.1
10
0.0
11
0.0
12
1.1
13
2.1
14
5.5
15
4.1
16
4.9
17
7.9
18
0.0
19
1.9
Pin
Voltage
20
1.9
21
2.0
22
3.9
23
2.4
24
2.5
25
0.7
26
2.7
27
4.4
28
3.1
29
3.2
30
3.0
31
3.2
32
3.9
33
2.9
34
2.2
35
2.4
36
5.0
37
2.1
38
3.1
Pin
Pin
39
3.0
40
0.0
41
2.0
42
2.0
43
2.0
44
1.9
45
2.8
46
2.3
47
5.0
48
2.0
49
3.3
50
2.6
51
2.6
52
2.6
53
0.0
53
0.0
55
5.1
56
0.0
57
5.1
Pin
Voltage
58
5.1
59
5.1
60
5.1
61
0.1
62
0.6
63
5.1
64
3.4
2
13.8
3
-12.7
8
11
9
23
10
11
11
0
STV9325
Pin
Voltage
1
2.0
4
-13.7
5
0
6
14
7
2.0
TDA7263(Stereo)
Pin
Voltage
1
1.7
AC supply :
2
1.8
3
12.6
4
1.8
5
1.7
6
0
7
0
110~240V 50/60Hz
10. Other
1)Binary code change to hex
Binary code
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
Hex
0
1
2
3
4
5
6
7
8
9
A
17
1
1
1
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
0
1
B
C
D
E
F
2) Some skills of factory adjustment:
a)How to use Service Remote enter service mode?
Pressing the “D MODE ON/OFF” key. Press “D MODE ON/OFF” key again to exit service mode.
b)How to use User remote enter Service mode?
Press “MENU”→ “ 6” → “ 4” → “ 8” → “ 3” key(within 6s).
c)How to unlock V-CHIP if you forgot password?
Press V-” key on the set to“ 00” keep then press MENU” key on the User Remote. Into V-CHIP menu, set V-CHIP password again.
3)Keyboard input:
Key In
0.0-0.3V
0.3-1.0V
1.0-1.7V
1.7-2.4V
2.4-3.1V
3.1-3.8V
3.8-4.5V
Key Pressed
POWER
Program+
ProgramVolume+
VolumeTV/AV
Menu
2Vpp
18