JVC HR-XV1EU-R Service Manual page 51

THE AUDIO CAN NOT
RECORD
Is bias level at L104 OK?
YES
Is there audio signal
at pin 5 of CP102?
YES
Is there audio signal
at pin 11 of IC101?
YES
Check lead wire of A/C HEAD
and CONNECTOR.
TROUBLESHOOTING GUIDE
NO
Is the voltage at pin 2
of L104 5V?
YES
Is the voltage at pin 29
of IC3001 about 5V?
L104 is broken or shorted.
NO
NO
NO
Check POWER circuit.
NO
Change IC3001.
Check the circuit between
pin 4 of IC101 to pin 5 of
CP102.
Change IC101.
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