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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-
10
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9-1-5. Microphone Part
Micro-phone does not work
Is the assembled status of
Microphone O.K?
Reassemble the microphone
Check the DC bias voltage on Mic path.
The voltage of C314 is
2.3V ?
Check the path around MIC
Bias circuit
The microphone is OK
Check UCP100
END
NO
YES
YES
YES
NO
YES
NO