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Flow Chart of Troubleshooting
10-
5
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10-1-5. Microphone Part
Micro-phone does not work
Soldering OK?
YES
Solder the microphone again
NO
Check the DC bias voltage on
Mic path.
The voltage of C456 is
about 2.2V±10%?
NO
Solder the microphone again
or Replace
R411, R410, R415
Is microphone OK?
NO
Check UCD300
END
YES
YES
Summary of Contents for SGH-E210
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