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Flow Chart of Troubleshooting
9-8
9-3. Microphone Part - Phone MIC
Check the components
which are connected to
MIC_BIAS
Phone MIC does not work
END
Yes
Is Phone MIC Working?
Yes
No
Replace MIC
Yes
Check the connection
of MIC
No
Resolder MIC again
Yes
No
Resolder TA400, R400, R404
Resolder C400~C407
No
Check the circuit
of MIC PART
Yes