Table of Contents
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9-1-5. Microphone Part
Micro-phone does not work
Is the assembled status of
Microphone O.K?
Check the DC bias voltage on Mic path.
The voltage of C314 is
The microphone is OK
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YES
YES
2.3V ?
YES
YES
END
Flow Chart of Troubleshooting and Circuit Diagrams
NO
Reassemble the microphone
Check the path around MIC
NO
NO
Check UCP100
9- 10
Bias circuit
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Table of Contents
Troubleshooting
