LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.12 Audio trouble
4.12.1 Receiver path
Voice Receiver path as below:
MSM6280 Ear1ON/Ear1OP
→
CN701(VGA CAM FPCB connector)
→
Receiver
Start
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
Can you hear the tone?
YES
END
Check connector pin
or change the VGA CAM FPCB
YES
Change the Receiver
Hear the tone to the receiver?
NO
END
Содержание U990
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