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NO COLOR DURING PLAYBACK
Does FM ENVELOPE
appear at TP4002?
Yes
Does CHROMA signal
appear at pin 52 of IC4001?
Yes
Does CHROMA
signal appear at pins
55 or 54 of IC4001?
Yes
Is there voltage at
pin 61 of IC4001?
Yes
Check TV Block.
TROUBLESHOOTING GUIDE
No
No
No
No
E-9
Check IC4001.
Check R4040, Q4006 and
peripheral circuit.
Check C4075, R4050 and the
peripheral circuit.
Check L4013 or Replace IC4001.
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