Toshiba SD-V393SU Service Manual page 82

THE AUDIO CAN NOT
RECORD
Is bias level at L102 OK?
YES
Is there audio signal at
pins 76, 78 and 80
of IC101?
YES
Is there voltage
of base of Q103
about 5V?
YES
Is there a sine wave
at pin 5 of L101?
YES
Check lead wire of A/C HEAD
and CONNECTOR.
TROUBLESHOOTING GUIDE
In starting recording,
NO
is there sine wave at
pin 96 of IC3001?
YES
Check disconnection
and short of L102.
NO
NO
NO
E-19
NO
Check IC3001.
Check IC701 and
the circuit from TUNER
or audio input jack to IC701 .
Change Q103.
Change L101.