Microphone Part - Samsung SGH-ZV50 Service Manual

9-5. Microphone Part

Microphone does not work
Check the connection
from MIC
Check the circuit
from U401 to MIC
Check the MIC
Yes
Yes
Yes
OK
END
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No
Check Keyfpcb's coonector
No
Resolder the C515, C523
No
Replace the MIC
9-9
Flow Chart of Troubleshooting