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Flow Chart of Troubleshooting
9-6
9-3. Microphone Part - Phone MIC
Phone MIC does not work
Yes
Not OK
Check the connection
of MIC
Solder MIC again
Yes
Replace MIC
OK
Is Phone MIC working?
OK
Solder
C328, C331
and TA300 again
Check the components
which are connected to
MIC_BIAS
Solder
D304,D305,C326,C329,C333
Check the circuit
of MIC PART
END
Not OK
Not OK
No
OK