Table of Contents
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Flow Chart of Troubleshooting
3-1-4. Microphone Part
Micro-phone does not work
Is the assembled status of
Microphone O.K?
Check the DC bias voltage on
Mic path.
The voltage of
C212=2.9?
Is microphone OK?
YES
YES
YES
YES
END
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NO
Reassemble the microphone
Solder again or Replace
NO
R302,R303,R305,R307,R308,
R310,R311,R343,C304,C309
NO
3-10
Check the UCP201
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Table of Contents
Troubleshooting
