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Flow Chart of Troubleshooting
9-10
9-5. Microphone Part
Check the connection
from MIC
Check the circuit
from UCP300(MSM6250A)
to MIC
Resolder MIC
Resolder the R600, R603, R605, R609,
C618, C619
END
No
Yes
Yes
Yes
Yes
No
Check the MIC
No
Replace the MIC
Microphone does not work