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Level 3 Repair
8-3-5. Microphone Part
Microphone does not work
Yes
UCP200 pin U18 ="H=2.85V"
No
Replace UCP200 using a Heatgun
at Mic Active ?
(Because of not soldering well)
(TP:C226)
Yes
Resolder C317, C326, L309, R313, C321, R312,
Check the MIC Connection
No
(look over schematics about
R314, C319, C323
schemetics.)
(not work if those is not connected.)
Yes
Check the MIC sample.
No
Replace an another MIC
(it be possible the problem
things)
(because of being possible the problem)
Yes
END
8-16
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