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Flow Chart of Troubleshooting
7-10
7-5. Microphone Part
Microphone does not work
Replace the MIC
Check the MIC
No
Yes
Yes
Yes
Yes
No
END
Resolder the R607, R608, R631, R632, R633,
R634, C614, C615, C621 and C622
Resolder MIC
Check the circuit
from U302 to MIC
Check the connection
from MIC
No