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
All manuals and user guides at all-guides.com
Summary of Contents for DC-B84D1P
Page 29: ...28 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM All manuals and user guides at all guides com...
Page 37: ...36 PCB CIRCUIT BOARD 1 1 VCR MAIN All manuals and user guides at all guides com...
Page 38: ...37 PCB CIRCUIT BOARD 1 2 POWER All manuals and user guides at all guides com...
Page 39: ...38 PCB CIRCUIT BOARD 1 3 DVD MAIN All manuals and user guides at all guides com...
Page 45: ...44 INSTRUMENT DISASSEMBLY G Explode view All manuals and user guides at all guides com...