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3.8.4 Main Mic
Main Mic located on bottom of main PCB
It operates voice call(except speakerphone), voice recording, camcorder recording.
LGE Internal Use Only
START
Check the Mic signal by test mode
or Voice recording.
Check Mic hole & rubber to make the voice
signal?
Check parts about Mic Bias
Mic works well?
(R8102,R8116)
Change MIC8100 or MT6323(U4100).
Mic works well?
Change Main Board
END
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3. TROUBLE SHOOTING
Yes
No
Yes
No
Yes
No
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