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Flow Chart of Troubleshooting
9-5. Microphone Part
Microphone does not work
Yes
No
Check the connection
Resolder MIC
from MIC
Check the JACK_IN =
Check the circuit related to
R142
3.0V ?
Yes
Check the circuit
No
Check the path from Main IC to MIC
from
UCP200
to MIC
Yes
No
Replace the MIC
Check the MIC
Yes
END
9-9
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