Read Sharp DV-RW250H (serv.man2) Service Manual online
TROUBLESHOOTING GUIDE
E-23
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 ?
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