LG LG-E960 - Audio Troubleshooting

4. TROUBLE SHOOTING
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4.10 Audio troubleshooting
4.10.1 Speaker troubleshooting
Speaker control signals are generated by APQ8064(U21001) and Power is supplied by WCD9310(U5001).).
START
Check the Speaker.
And reconnect Ant. Module
Yes
No
No
Yes
Yes
Yes
Speaker Sound is OK?
Check the Low FPCB
Is Speaker Sound OK?
Change the WCD9310(U5001)
Is Speaker Sound OK?
END
END
END
END
Change the Ant. Module.
Is Speaker Sound OK?
No
No
Change The main PCB