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?