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SGH-S341i Flow Chart of Troubleshooting
4. Microphone Part
Microphone does not work
Yes
No
Is the assembled status
Reassembled the microphone
of microphone O.K?
Yes
Check the reference voltage on mic path
Yes
Resolder or change
No
R136,R146,R141,R145,C137,C139,
C142 ≒ 2.0V ?
R157,R158,R161,R162,C152,C154
Yes
No
Check U501
Is microphone ok?
Yes
END
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