Samsung SGH-Z500 Anycall Service Manual page 45

F low Chart of Troubleshooting
5. Microphone Part
Microphone does not work
Yes
No
Check the connection
Resolder MIC
from MIC
Yes
No
Check the circuit
Resolder the R541, R533, C523, C524,
from U302 to MIC
and C522S
Yes
Check the MIC
Replace the MIC
Yes
END
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