JVC HR-XVC20US Service Manual page 55

NO COLOR PLAYBACK PICTURE
OF S-VIDEO JACK
Is there C signal at
pin 173 of IC4001 ?
No
Is there Y signal at
pin 172 of IC4001?
Yes
Is there VIDEO signal
at pin 170 of IC4001?
No
Is the voltage at pin 28,
83, 130 and 156 of
IC4001 about 1.8V?
Yes
Change IC4001.
TROUBLESHOOTING GUIDE
Yes
No
Yes
No
Check J8006 and peripheral
circuit.
REFER TO "NO PLAYBACK
PICTURE OF S-VIDEO JACK".
REFER TO "NO PLAYBACK
PICTURE OF AV JACK" .
Check P.CON+3.3V line on
POWER BLOCK.
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