LG -D385 Service Manual page 138

3.8.4 Main Mic
Main Mic located on Lower FPCB.
It's operating 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?
Reconnect or change FPCB connector.
Voice signal OK?
Check parts about Mic Bias
Mic works well?
Change MSM8210(U2100)
Mic works well?
Change Main Board
END
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3. TROUBLE SHOOTING
Yes
No
Yes
No
Yes
No
Yes
No
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