LG -D295 Service Manual page 125

3.11.4 Main MIC / Sub MIC Trouble Shooting
It's operating voice call(including speaker phone), voice recording and camcorder recording.
LGE Internal Use Only
START
Check the Mic signal by test mode
or Voice recording.
Check a Mic hole & rubber to make the voice signal?
Check the parts about Mic Bias.
Mic works well?
Reconnect or change
the MIC (MIC6920 / 6921). Voice signal OK?
Change MSM8212(U2100)
MIC works well?
Change the main board
END
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3. TROUBLE SHOOTING
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