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5-9
Flow chart of trouble shooting
5-5 Microphone Part
Microphone does not work
Reassemble the MIC to Front Case
Check
the microphone
contact state
Check the circuit
from MIC or C561
END
Resolder the R525, R527, R530, R531
C553, C532 and C538
Yes
No
Yes
Yes
No
Check the Key PCB
Replace the Key PCB
No
Yes