Toshiba SD-V280UA - Page 91

TROUBLESHOOTING GUIDE
E-37
Change IC8501
Change IC4001
YES
YES
YES
NO
NO
NO
No playback picture of
S-VIDEO jack
Are there Y signal at pin 23
and C signal at pin 25 of
IC8501 ?
Check D8504 and circuit
around of D8505
Are there waveform at
pins 4,6,9,11,13
of IC8501 ?
Are there waveform at
pins 102,103,105,106
of IC4001 ?
Check IC8501 and circuit
around of IC4001