TROUBLESHOOTING GUIDE
E-8
NO PLAYBACK PICTURE
Does E-E appear on the
Monitor TV?
Yes
No
Yes
No
Check Power circuit.
Yes
No
Is there PB Y/C signal
at TP4002 ?
Yes
No
Is there FM Y signal at
pin 78 or 79 of IC4001?
Yes
No
No
Is there VIDEO signal
at pin 52 of IC4001?
Check IC4001 and the connection of
the CYLINDER.
Check C4035, W905 and the
peripheral circuit.
Is there CHROMA
signal at pins 55, 54 of
IC4001?
Yes
Is there voltage at pins
12, 36 and 61of IC4001 5V?
Check C4075, R4050 and the
peripheral circuit.
Check R4040, Q4006 or Replace
IC4001.
Check pin 7 of CP603.
