Samsung SGH-J200 Service Manual page 39

Flow Chart of Troubleshooting
9-5. Microphone Part - Phone MIC
Microphone does not work
Yes
Not OK
Check the connection
Resolder MIC
from MIC
OK
Not OK
Check the circuit
from UCP300 to MIC Resolder the R507, R509, R513, R514
OK
Not OK
Check the MIC
Replace the MIC
OK
END
9-8
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