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Level 3 Repair
8-14
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8-3-5. Microphone Part
C228 ( MIC_BIAS ) = "H"
Check the circuit
from UCP200 to MIC
Resolder C228, L403, L406, C413
Resolder U402, C410, C412
END
No
Yes
Yes
Yes
Yes
No
Check the MIC
No
Replace the MIC (MIC400)
Microphone does not work