Microphone Part - Samsung GT-B7702 Service Manual

9-5. Microphone Part

Microphone does not work
Check the connection
from MIC
Check the circuit
from UCP401 to MIC
Check the circuit
from UCP1001 to MIC
Check the MIC
Yes
Yes
Yes
Yes
Yes
END
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No
Reconnect MIC
No
Resolder the C602,C613,R602,R606
No
Resolder the C602,C607,R603,R607
No
Replace the MIC
9-12
Flow Chart of Troubleshooting