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3-1-5. Microphone Part
Microphone does not work
YES
Check the assembled status of
microphone
YES
Check the reference voltage on
mic path R419=2.9V
YES
Is Microphone O.K?
YES
END
NO
NO
NO
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Flow Chart of Troubleshooting and Circuit Diagrams
Reassemble microphone
Resolder or Change
(R413,R414,R415,R416,R417,R418,
R419,C420,C421,C422,C423,C424,
L401,L402,TA402,VR400,VR401)
Check UCP300
3-11
- Quick Links:
- Disassembly
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