LG LG-V909DW - Page 92

4. TROUBLE SHOOTING
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4.12.2 Main MIC troubleshooting
Main MIC control signals are generated by WM8994(U800)
Start
Check the Main MIC, adn
Reconnect the MIC Lower FPCB
Voice Recording is ok?
Check the voltage of
(MIC_BAIS) TP
Change the Audio
Codec is
END
END
Yes
Yes
Yes
No
No
MIC_BIAS Voltage is 2V?
Voice Recording is ok?
Change the MIC Lower
FPCB