Service manual

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TROUBLESHOOTING GUIDE

E-17

YES

YES

YES

YES

NO

NO

NO

NO

AT E-E, NO SOUND

Does normality AUDIO

JACK CONNECT?

Connection is done over again.

Is there audio signal at

pin 78, 80 of IC701 ?

Check J8001

and peripheral circuit.

Change IC701.

Is there audio signal at

pin 9, 11, 72, 74

of IC701 ?

Check J8001, J651, J652

and peripheral circuit.

Is there audio signal of

J8001 at pin 1, 3 ?