TROUBLESHOOTING GUIDE
D-4
NO PLAYBACK PICTURE OF AV
JACK, 21PIN JACK.
Check J7001 and peripheral
circuit.
Is there VIDEO signal
at pin 170 of IC4001 ?
Yes
No
Is the waveform at pin
19-23 of IC4001 ?
Replace IC4001.
No
Yes
No
Yes
Check IC2001 and peripheral
circuit.
Is there VIDEO signal
at pin 169, 172 and
173 of IC4001 ?
Check J7001, J8002 and
peripheral circuit.
Содержание SD-130ESB
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