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Thoubleshooting
MIC6-12, 13 pin is fixed
MIC6-9, 10 pin is fixed
MIC1-10 pin waveform
state(0,1) changes whenever
Check at front operation
5-16
E
to 0V?
No
to 0V?
No
pressing front key?
Yes
error
Yes
Check A/V decoder signal
process block
Yes
Chekl DVD signal process block
Check MIC1 peripheral soldering
Yes
(Including 12MHz oscillationg
of front micom)
Samsung Electronics
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