10-1-4. Microphone Part
Microphone does not work
The assembled status of
Check the reference voltage on mic path
The Voltage @ C318 is
The microphone is O.K
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Yes
microphone is O.K
Yes
Yes
about 2.0V
Yes
Yes
END
No
Reassembled the microphone
No
Check component of mic path.
No
Check UCD102
10-8
Flow Chart of Troubleshooting
Resolder or change
1