TOSHIBA SDV330SC1
Service Manual

TROUBLESHOOTING GUIDE

THE AUDIO CAN NOT RECORD

Is bias level at L102 OK?

NO

In starting recording, is there sine wave at pin 96 of IC3001?

NO

Check IC3001.

YES

YES

Check disconnection and short of L102.

Is there audio signal at pin 76, 78 and 80 of IC101? YES NO

Check IC701 and the circuit from TUNER or audio input jack to IC701 .

Is there voltage of base of Q103 about 5V? YES

NO

Change Q103.

Is there a sine wave at pin 5 of L101? YES

NO

Change L101.

Check lead wire of A/C HEAD and CONNECTOR.

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