4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.12.2 Receiver troubleshooting
Receiver control signals are generated by MAX98089(U7000), and Power is supplied by Battery (VBAT).
Check the Receiver Sound. And
reconnect the Upper FPCB.
Yes
No
START
No
Yes
Receiver Sound is OK?
Check the waveform of TP1
waveform is OK?
END
END
Change The RCV
Change The Receiver
Sound is OK?
No
Change The Audio Codec IC
Receiver Sound is OK?
Yes
END
LGE Internal Use Only
4. 12.2 Receiver troubleshooting
Receiver control signals are generated by MAX98089(U7000), and Power is supplied by Battery (VBAT).
LGE Internal Use Only
4. 12.2 Receiver troubleshooting
Receiver control signals are generated by MAX98089(U7000), and Power is supplied by Battery (VBAT).