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Flow Chart of Troubleshooting
9-12
9-5. Microphone Part
9-5-1 Master Microphone
C412 ( MIC_BIAS ) = "H"
at Mic Active ?
Check MIC Connection
Resolder R404, R411, R402, R408
or
Replace C412
Resolder C416 C423, C415, C421, C432,
C500, C501, C505, l500, l502 and R415
END
No
Yes
Yes
Yes
Yes
No
Check the MIC
No
Replace the MIC
Microphone does not work