Aiwa HV-FX5100 Service Manual page 42

AUDIO CAN NOT BE
RECORDED
Is BIAS level O.K
at L4005 ?
Yes
Is there AUDIO signal
at pin 5 of CP4002 ?
Yes
Is there AUDIO signal
at pin 11 of IC4001 ?
Yes
Check the lead wire and
connector to A/C HEAD.
TROUBLESHOOTING GUIDE
No
Is the voltage at pin 2
of L4005 5.8V ?
Is the voltage at pin 29
of IC1002 about 5V ?
L4005 is broken or shorted.
No
No
E-19
No
Yes
No
Yes
Check the circuit between pin4
Check POWER circuit.
Replace IC1002.
of IC4001 to pin 5 of CP4002.
Replace IC4001.