3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
- Disable to using headset MIC or headset receiver when voice call
END
END
Check the MIC signal by Loopback Test.
And reconnect main PCB
Change the WCD9302(U1600).
is vioce signal OK?
Change the Ear-jack Socket.
No
No
Yes
Yes
START
Change the Main PCB