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7-5. Microphone Part
Microphone does not work
Check the connection
from MIC
Check the circuit
from U202 to MIC
Check the MIC
Yes
Yes
Yes
Yes
END
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No
Resolder MIC
No
Resolder the R400, R401, R404, R407,
L400, L401, C408 and C412
No
Replace the MIC
7-11
Flow Chart of Troubleshooting
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