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Flow Chart of Troubleshooting
9-5. Microphone Part
Microphone does not work
Yes
No
Resolder R413, R407, TA401
TA401 ( MIC_BIAS ) = "H"
Yes
No
Resolder C410, C412, C411, R413, R414, R407,
Check the circuit
R425, C415, C414, C420
from
UCP200
to MIC
Yes
No
Check the MIC
Replace the MIC
Yes
END
9-9
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