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3-2-4 No Sound Signal
Samsung Electronics
There is no sound signal.
O
Does the data abnormal
of CI1 pin107,108, 109 ?
O
Does the clock input of
AIC1 pin 5 ?
O
Check the audio signal
output of AI1 pin13,16?
O
Does the audio signal output
of ALI1 pin1 , ARI1 pin1 ?
O
Does the audio signal output
of ALQ1, ARQ1 collector?
O
Check output wire.
X
Check connection of CI1,
AI1 and short
X
Check connection of wafer
and short.
X
Check circuit of AI1 and
short.
X
Check circuit of ALI1, ARI1
and short.
X
Check the mute of
MIC1 pin18.
Troubleshooting
3-7
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