Service manual

TROUBLESHOOTING GUIDE
E-27
NO PLAYBACK PICTURE
OF AV JACK
Check IC4001 and peripheral
circuit.
Is there VIDEO signal
at pin 117 of IC4001 ?
No
Yes
Is the waveform at pin
2 of IC8002 ?
No
Yes
Check IC8002 and peripheral
circuit.
Is the waveform at pin
25 of IC8001 ?
No
Yes
Check IC8001 and peripheral
circuit.
Check J8001 and peripheral
circuit.
NO PLAYBACK PICTURE OF
S-VIDEO JACK
Is there Y signal at
pin 118 of IC4001 ?
Yes
No
Check CP7302 connection
to CP8302.
Yes
No
Check IC4001 and
peripheral circuit.
Is there Y signal at
pin 12 of CP8302 ?
Check J8001 and
peripheral circuit.
Check IC8004 and
peripheral circuit.
Yes
No
Is there Y signal at
pin 2 of IC8004 ?