Toshiba SD-V280UA Service Manual page 90

TROUBLESHOOTING GUIDE
NO PLAYBACK PICTURE
OF Y.U.V OUT
Is there Y.U.V
Is there Y.U.V waveform at YES
YES
waveform at pin
Check circuit around of J8008.
pin 16,18,20 of IC8501?
8,10and 12 of
CP8502?
NO
NO
Check circuit around of
D8501,D8502 and D8503.
Are there signals at pins
YES
Check circuit around of IC8501
4,6,9,11,13
0f IC8501 ?
NO
Are there signals at
YES
pins 102,103,105,106
Change IC8501
of IC4001 ?
NO
Change IC4001 or DECK CD
E-36