11
TROUBLESHOOTING
3. VIDEO circuit
A. EE screen doesnÕt appear
EE MODE Picture NG
Is Video signal input at
IC301 pin#28, 30, 32?
Is 5V supplied at pin#23,
45,52,68 of IC301?
Is C.S, DATA, CLOCK signal
input pin#53,54,55 of IC301?
Check IF and LINE IN JACK.
Check POWER circuit.
Check IC601
pin #61, 71, 72.
NO
YES
YES
NO
NO
YES
Is signal output from pin#26 of
IC301?
YES
NO
Check IC301
pin#24 Q-V Sync.
Is signal input into pin#50
of IC601?
YES
NO
Check PCB Pattern.
Is signal output from
pin#52 of IC601?
YES
NO
Is 5V supplied to pin#53, 98,
99 of IC601?
Is signal output at IC302
pin#15?
YES
NO
Check PCB Pattern.
Check IC 601
YES
Check POWER circuit.
NO
Is signal input at IC302
pin#1?
Check RF Output.
LINE out.
YES
YES
Check IC302.
NO
Содержание DV6T834N
Страница 31: ...30 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM VE 1 5 COMBO...
Страница 32: ...31 CIRCUIT DIAGRAM 2 SERVO SYSCON SCHEMATIC DIAGRAM VE 1 5 COMBO...
Страница 33: ...32 CIRCUIT DIAGRAM IC301 3 VIDEO AUDIO SCHEMATIC DIAGRAM Hi Fi VE 1 5 COMBO...
Страница 34: ...33 4 DVD AUDIO VIDEO SCHEMATIC DIAGRAM VE 1 5 COMBO CIRCUIT DIAGRAM...
Страница 35: ...34 CIRCUIT DIAGRAM 5 Hi Fi IN OUT SCHEMATIC DIAGRAM VE 1 5 COMBO...
Страница 36: ...35 CIRCUIT DIAGRAM 6 DQL 1003 1103 1203 ALI M3351 MPEG IC...
Страница 37: ...36 CIRCUIT DIAGRAM 7 DQL 1003 1103 1203 RF MOTOR_DIRIVERS...
Страница 38: ...37 CIRCUIT DIAGRAM 8 DQL 1003 1103 1203 FLASH SDRAM...
Страница 39: ...38 CIRCUIT DIAGRAM 9 DQL 1003 1103 1203 AUDIO_DAC VIDEO_CHANNEL...
Страница 41: ...40 PCB CIRCUIT BOARD 1 1 VCR MAIN...
Страница 42: ...41 PCB CIRCUIT BOARD 1 2 POWER...
Страница 43: ...42 PCB CIRCUIT BOARD 1 3 DVD MAIN...
Страница 47: ...46 INSTRUMENT DISASSEMBLY FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws...
Страница 48: ...47 INSTRUMENT DISASSEMBLY F MAIN CHASSIS DISASSEMBLY FIG 6 Remove 4 screws then remove MAIN CHASSIS...
Страница 49: ...48 INSTRUMENT DISASSEMBLY G Explode view...
Страница 50: ...49 INSTRUMENT DISASSEMBLY 2 DVD Module DAEWOO DQL 10XX DISASSEMBLY A DECK TOTAL DVD AS...
Страница 51: ...50 INSTRUMENT DISASSEMBLY B DRIVE UNIT AS...
Страница 52: ...51 INSTRUMENT DISASSEMBLY C DRIVE UNIT HOLDER AS...
Страница 53: ...52 INSTRUMENT DISASSEMBLY D PICK UP TENSION AS...