Toshiba SD-V395 Service Manual - Page 91
No Playback Picture, Of Av Jack
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TROUBLESHOOTING GUIDE NO PLAYBACK PICTURE OF AV JACK Is there a voltage Yes (beam current) at TP40 and TP42? No Is there a signal at pin Yes 9,10,11,and 12 of IC2601? No Is there a signal at pin Yes 9,10,11,and 12 of IC2601? No Is there video signal at Yes pin 159 of IC4001? No Change IC4001. Check loader block. Check CP2601 and peripheral circuit. Check IC2601 and peripheral circuit. Check IC8005 and peripheral circuit. E-30
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TROUBLESHOOTING
GUIDE
E-30
NO PLAYBACK PICTURE
OF AV JACK
Check loader block.
Yes
No
No
Yes
Check CP2601
and peripheral circuit.
Check IC2601
and peripheral circuit.
No
Yes
Check IC8005
and peripheral circuit.
No
Yes
Change IC4001.
Is there a voltage
(beam current) at
TP40 and TP42?
Is there a signal at pin
9,10,11,and 12 of
IC2601?
Is there a signal at pin
9,10,11,and 12 of
IC2601?
Is there video signal at
pin 159 of IC4001?