Service Guide
Service Guide Service Guide
ANTENNA CP-005 CHASSIS JS02 AV JACK JS01 SCART JACK RF INPUT 5V I702 EEPROM AT24C16 ST-BY I704 REMOCON PREAMP U101 TUNER 33V DATA CLK REMOT E IF AGC SCL SDA IR I701 U-COM With TELETEXT ST92195 SF101 PICTURE S/F SF102 SOUND S/F CVBS OSD R OSD G OSD B BL HALH TONE SCREEN H.OUT V.OUT I501 STV2238 A.IN V.IN - BUS CONTROL - PIF - SIF - AUDIO/VIDEO SWICHES - LUMINANCE PROCESSING - PAL/SECAM/NTSC CHROMA DECODER - DEFLECTION PROCESSOR Vccd Vcc_if HVcc1 Vcc2 R G B EXT A.OUT EXT A.IN EXT R,G,B EXT V.IN I901 TDA6103Q CVBS OUT R G B CRT SPEAKER 3W 8OHM 2 SPK OTION SPEAKER 3W 8OHM LED SW701-705 CONTROL KEY Q701 RESET SW LED KEY_IN RESET 5V ST-BY 5V I703 KA7805 POWER S.MUTE V.SYNC H.SYNC 8V 5V I805 STV8131 Disable Voltage Regulator V.SIZE AFC 5V I301 TDA1771 Vertical Deflection Circuit 8V I601 TDA7267A Audio Amplifier Circuit 15V VID.B+ HOR. VERT. AC 220V 50Hz L801 LINE FILTER D/G COIL S D Q801 FET S T801 TRANS SMPS 12V 133V 15V 133V 12V 12V PW ON (H) 45V T401 TRANS DRIVE Q402 Horizontal TR H.V 133V VID.B+ HEATER 27V T402 FBT ABL H.V FOCUS SCREEN I801 POWRE MODULE
! "# " $ " "% $# $# $ && $ ' ENTER SERVICE MODE 1. Select the Pr 91. 2. Adjust “Sparpness” to 0. 3. Enter the service mode using the following keys. R ! G ! MENU. 1. AFT 1) Set a Signal Generator with RF FREQUENCY = 38.9MHz, 34.2MHz (L’) RF OUTPUT LEVEL = 80 ± 5 dBuV System = PAL for 38.9MHz. SECAM-l for 43.2MHz 2) Connect the Signal Generator RF Output(PAL 38.9MHz) to P101 (Tuner IF Output). There must be no signal input to the tuner. 3) Locate the cursor to “VCO” in Service Mode Menu, then press the “Vol +” key and wait until the “Please wait” disappear on the TV screen. 4) Connect the Signal Generator RF Output(SECAM-L 34.2MHz) to P101 (Tuner IF Output). 5) Locate the cursor to “VCO-L” in Service Mode Menu, then press the “Vol +” key and wait until the “Please wait” disappear on the TV screen.
- Page 1 and 2: Service Guide Colour Television CHA
- Page 3 and 4: PRODUCT SAFETY SERVICING GUIDELINES
- Page 5: SUBJECT : IMPLOSION 1. All direct v
- Page 9 and 10: 6. GEOMETRY 6.1 VERTICAL CENTER 1)
- Page 11 and 12: ST92195B 32-64K ROM HCMOS MCU WITH
- Page 13 and 14: ST92195B - GENERAL INFORMATION GENE
- Page 15 and 16: ST92195B - GENERAL INFORMATION 1.2
- Page 17 and 18: 12/202 ST92195B - GENERAL INFORMATI
- Page 19 and 20: ST92195B - GENERAL INFORMATION 1.2.
- Page 21 and 22: ® STV223XD/223X/224X BUS CONTROLLE
- Page 23 and 24: STV223XD/3X/4X Pin N° STV224X/8X S
- Page 25 and 26: STV223XD/3X/4X BLOCK DIAGRAM (STV22
- Page 27 and 28: 2. NO PICTURE Check the wave of I50
- Page 29 and 30: 4. NO COLOR composit video in #26 C
- Page 31 and 32: ! "" # $ % "" # %&! '
- Page 33 and 34: % " " '" " " '" % " " '" " " '" %
- Page 35 and 36: % *#+ %%# $ $#'%# % *#+ ! %%
- Page 37 and 38: Mechanical Exploded View 11 1
- Page 39 and 40: Alignment Instructions SVC v0 R BIA
- Page 41 and 42: Electrical Parts List LOC PART CODE
- Page 43: Video Audio
ANTENNA<br />
CP-005 CHASSIS<br />
JS02<br />
AV JACK<br />
JS01<br />
SCART JACK<br />
RF INPUT<br />
5V<br />
I702<br />
EEPROM<br />
AT24C16<br />
ST-BY<br />
I704<br />
REMOCON<br />
PREAMP<br />
U101<br />
TUNER<br />
33V<br />
DATA CLK<br />
REMOT<br />
E<br />
IF<br />
AGC<br />
SCL<br />
SDA<br />
IR<br />
I701<br />
U-COM With TELETEXT<br />
ST92195<br />
SF101<br />
PICTURE S/F<br />
SF102<br />
SOUND S/F<br />
CVBS<br />
OSD R<br />
OSD G<br />
OSD B<br />
BL<br />
HALH TONE<br />
SCREEN<br />
H.OUT<br />
V.OUT<br />
I501<br />
STV2238<br />
A.IN<br />
V.IN<br />
- BUS CONTROL<br />
- PIF<br />
- SIF<br />
- AUDIO/VIDEO SWICHES<br />
- LUMINANCE PROCESSING<br />
- PAL/SECAM/NTSC CHROMA DECODER<br />
- DEFLECTION PROCESSOR<br />
Vccd Vcc_if HVcc1 Vcc2<br />
R<br />
G<br />
B<br />
EXT A.OUT<br />
EXT A.IN<br />
EXT R,G,B<br />
EXT V.IN<br />
I901<br />
TDA6103Q<br />
CVBS OUT<br />
R<br />
G<br />
B<br />
CRT<br />
SPEAKER<br />
3W 8OHM<br />
2 SPK OTION<br />
SPEAKER<br />
3W 8OHM<br />
LED<br />
SW701-705<br />
CONTROL<br />
KEY<br />
Q701<br />
RESET SW<br />
LED<br />
KEY_IN<br />
RESET 5V<br />
ST-BY 5V<br />
I703<br />
KA7805<br />
POWER<br />
S.MUTE<br />
V.SYNC<br />
H.SYNC<br />
8V<br />
5V<br />
I805<br />
STV8131<br />
Disable Voltage Regulator<br />
V.SIZE<br />
AFC<br />
5V<br />
I301<br />
TDA1771<br />
Vertical Deflection Circuit<br />
8V<br />
I601<br />
TDA7267A<br />
Audio Amplifier Circuit<br />
15V<br />
VID.B+<br />
HOR. VERT.<br />
AC 220V<br />
50Hz<br />
L801<br />
LINE FILTER<br />
D/G COIL<br />
S<br />
D<br />
Q801<br />
FET<br />
S<br />
T801<br />
TRANS SMPS<br />
12V<br />
133V<br />
15V<br />
133V<br />
12V<br />
12V<br />
PW ON (H)<br />
45V<br />
T401<br />
TRANS DRIVE<br />
Q402<br />
Horizontal TR<br />
H.V<br />
133V<br />
VID.B+<br />
HEATER<br />
27V<br />
T402<br />
FBT<br />
ABL<br />
H.V<br />
FOCUS<br />
SCREEN<br />
I801<br />
POWRE MODULE
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