Toshiba SD-3860SCA Service Manual page 34

NO PLAYBACK PICTURE OF AV
JACK
Is there a voltage
(beam current) at
TP40 AND TP42 ?
Yes
Is there a signal at pin 9
10,11,12 of IC2601?
Yes
Is there video signal at
pin 159 of IC4001 ?
No
Change IC4001.
TROUBLESHOOTING GUIDE
No
No
Yes
D-4
Check loader block.
Check IC2601 and
peripheral circuit.
Check J8004 and peripheral
circuit.