Sony RDR-GXD455 Service Manual page 75

Tuner video(analog) input Error
Is the 9pin of
E1 ok ?
Yes
Is the 14pin of
AVIC1 OK?
Yes
Follow the instructions of
<CVBS OUTPUT ERROR>.
No
Check the voltage and I2C line
of E1
No
Check the short or open circuit
through TUNER_CVBS_IN signal line
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