LG -P895 Service Manual page 85

4.12.3 Main MIC troubleshooting
Main MIC control signals are generated by MAX98089(U7001), and Power is supplied by Battery (VBAT).
Change The Ant. FPCB
LGE Internal Use Only
START
Reconnect the Ant. FPCB
And Check the Main MIC
Voice recording is OK?
No
Yes
Check the TP1
Bias range 1.8V~2.2V
OK?
No
Change The Main PCB
Voice recording is OK
END
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4. TROUBLE SHOOTING
Yes
END
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