Toshiba SD-V393SU2 - Page 95

TROUBLESHOOTING GUIDE
E-32
NO COLOR PLAYBACK PICTURE
OF S-VIDEO JACK
Is the voltage at pin 25,
64, 93,131 and 182 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 J8008 and
peripheral circuit.
Is there Y signal at
pin 151 of IC4001?
REFER TO "NO PLAYBACK
PICTURE OF S-VIDEO JACK".
Is there VIDEO signal
at pin 153 of IC4001?
REFER TO "NO PLAYBACK
PICTURE OF AV JACK" .
Is there C signal at
pin 153 of IC4001 ?