TROUBLESHOOTING GUIDE
1-51
NO COLOR PLAYBACK PICTURE
OF S-VIDEO JACK
Is the voltage at pin 28,
83, 130 and 156 of
IC4001 about 1.8V?
Check P.CON+3.3V line on
POWER BLOCK.
Change IC4001.
Yes
No
No
Yes
Yes
No
No
Yes
Check J8006 and peripheral
circuit.
Is there Y signal at
pin 172 of IC4001?
REFER TO "NO PLAYBACK
PICTURE OF S-VIDEO JACK".
Is there VIDEO signal
at pin 170 of IC4001?
REFER TO "NO PLAYBACK
PICTURE OF AV JACK" .
Is there C signal at
pin 173 of IC4001 ?