TROUBLESHOOTING GUIDE
AUDIO CAN NOT BE
RECORDED
Is the voltage at pin 20
of IC5001 9.2V ?
Check POWER circuit.
T5001 is broken or shorted.
Check T5001 and peripheral circuit.
Is there AUDIO signal
at pin 14 of IC5001 ?
Check the lead wire and
connector to A/C HEAD.
Check the circuit between audio
out of Tuner and pin 10 of IC5001.
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Is there signal
at pin 22 of IC5001 ?
Replace IC5001.
Is there AUDIO
signal at pin 10 or 12
of IC5001 ?
Check IC5001 and peripheral
circuit.
Is BIAS level O.K at
T5001 ? 60V
E-24
