A SERVICE OF

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TROUBLESHOOTING GUIDE
Replace J4501.
Check VIDEO input circuit.
No
Yes
Yes
NO COLOR DURING SELF
RECORDING AND PLAYBACK
Does VIDEO signal appear
at pin 31 of IC4001 ?
No
Does color signal at
pin 52 of IC4001 ?
Check Q4802 EMITTER.
Check IC4001.
E-16