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4.12.2 Main MIC troubleshooting
Main MIC control signals are generated by WM8994(U800)
Change the MIC Lower
FPCB
LGE Internal Use Only
Start
Check the Main MIC, adn
Reconnect the MIC Lower FPCB
Voice Recording is ok?
No
Check the voltage of
(MIC_BAIS) TP
Yes
MIC_BIAS Voltage is 2V?
Change the Audio
Codec is
Voice Recording is ok?
- 92 -
Yes
No
Yes
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4. TROUBLE SHOOTING
END
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Troubleshooting
