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Flow Chart of Troubleshooting
3-8
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3-1-4. Microphone Part
Is the assembled status of
microphone O.K?
Microphone does not work
Reassembled the microphone
Resolder or change
R415,R417,C412,C411,C414,C415
R425,R421,R423,R420,R424
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check
UCP300
Check the reference voltage on mic path
VR400
≒
2.0V ?
Yes
Содержание SGH-M600
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