14
TROUBLESHOOTING
NO
Is Video signal input at IC501
pin#50?
Check POWER circuit.
No OSD appears.
Is 5V obtained at IC501 pin# 53,
98, 99?
Is Video signal output at IC501
pin#52?
NO
Replace IC501.
D. No OSD(On Screen Display) appears
YES
YES
NO
Check IC 501.
Check IC 501.
NO
Check PCB Pattern
Check FFC CABLE & DVD
Module
DVD Composite signal doesn’t
appear
Is signal output at PD01
pin# 5?
Is signal at IC301 pin#56?
NO
E. No DVD Video
YES
YES
Remark previous 3-A
Is signal at IC301 pin#61?
Check IC301
NO
Check RF output.
YES
YES
Check Line output
Содержание DC-G84D1D
Страница 27: ...26 CIRCUIT DIAGRAM 1 POWER SUPPLY CIRCUIT DIAGRAM...
Страница 28: ...27 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM...
Страница 29: ...28 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM...
Страница 30: ...29 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM...
Страница 31: ...30 CIRCUIT DIAGRAM 5 Hi Fi PIF INOUT CIRCUIT DIAGRAM...
Страница 37: ...36 PCB CIRCUIT BOARD 1 1 VCR MAIN...
Страница 38: ...37 PCB CIRCUIT BOARD 1 2 POWER...
Страница 39: ...38 PCB CIRCUIT BOARD 1 3 DVD MAIN...
Страница 43: ...42 INSTRUMENT DISASSEMBLY FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws...
Страница 44: ...43 INSTRUMENT DISASSEMBLY F MAIN CHASSIS DISASSEMBLY FIG 6 Remove 4 screws then remove MAIN...
Страница 45: ...44 INSTRUMENT DISASSEMBLY G Explode view...
Страница 57: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE MAY 2006...