LG -E977 Service Manual page 128

- Disable to using headset MIC or headset receiver when voice call
Disable to using headset MIC or headset receiver when voice call
-
LGE Internal Use Only
START Start
Check the Upper FPCB BtoB connector
Check the Upeer FPCB BtoB Connector
NO
Change the Upper
Change The Upeer FPCB
FPCB
No
NO
Change the WCD9310(U5001)
Change the
WCD9310(U5001)
No
NO
Change The main PCB
Change the Main PCB
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4. TROUBLE SHOOTING
Yes
END
Yes
END
Upper FPCB
Upper fpcb
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Only for training and service purposes
YES
END
YES
END