Table of Contents
Advertisement
www.freeservicemanuals.info
AUDIO CAN NOT BE
RECORDED
Is BIAS level O.K
at L4005 ?
Is there AUDIO signal
at collector of Q4006 ?
Is there AUDIO signal
at pin 11 of IC4001 ?
Check the lead wire and
connector to A/C HEAD.
TROUBLESHOOTING GUIDE
No
Yes
L4005 is broken or shorted.
No
Yes
No
Yes
Is the voltage at pin 2
of L4005 5.5V ?
Yes
Is the voltage at base
of Q4005 about 5V ?
Yes
E-19
Digitized in Heiloo, Holland
No
Check POWER circuit.
No
Check pin 29 of IC1002.
Check the circuit between audio
out of Tuner and collector of
Q4006.
Replace IC5001.
18/1/2015
Advertisement
Table of Contents
