Table of Contents
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5-5 Microphone Part
Microphone does not work
J102 pin 4, 5 = short?
U103 pin 2 (AVCC3.0)
from U110 to MIC101
Check the tension of MIC Module
Flow Chart of Troubleshooting and Circuit Diagrams
Yes
Yes
3.0V?
Yes
Check the circuit
Yes
Yes
END
No
Resoler J102
No
Check the circuit related to U103
No
Resolder the
R146,R157,R150,R155,
C163,C161,C164
No
Replace the Mic or Mic Holder
5-9
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