Microphone Part - Samsung GT-S3600L Service Manual

9-5. Microphone Part

Microphone does not work
Check the connection
from MIC
R315=2.15V?
Check the circuit
from UCP200
Check the MIC
Yes
Yes
Yes
to MIC
Yes
END
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No
Resolder MIC
No
Check the path around MIC bias circuit
No
Check the path from MainIC to MIC
Replace the MIC
9-9
Flow Chart of Troubleshooting