TROUBLESHOOTING GUIDE
E-30
NO PLAYBACK PICTURE
OF AV JACK
Check loader block.
Yes
No
Yes
Check CP2601
and peripheral circuit.
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 video signal at
pin 159 of IC4001?
NO