JVC HR-XVC20US - Page 54

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TROUBLESHOOTING GUIDE
NO PLAYBACK PICTURE
OF AV JACK
Check IC8005 and peripheral
circuit.
Is there VIDEO signal
at pin 170 of IC4001 ?
Yes
No
Is the waveform at pins
19~23 of IC4001 ?
Change IC4001.
No
Yes
Check IC2001 and peripheral
circuit.
NO PLAYBACK PICTURE OF
S-VIDEO JACK
Is there Y signal at
pin 172 of IC4001 ?
No
Yes
REFER TO "NO PLAYBACK
PICTURE OF AV JACK ".
Yes
No
Check J8006 and peripheral
circuit.
Is there VIDEO signal
at pin 170 of IC4001 ?
Change IC4001.