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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
Voice Receiver path as below :
QSD8650 Ear1_ON/OP
Æ
Sub system Input(TP1)
Æ
S/-
Æ
TP2
Æ
SPEAKER
[UG{Gz
4.13 Audio trouble
4.13.1 Receiver path
Start
NO
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
YES
Can you hear the tone?
YES
END
YES
Change the Receiver
Hear the tone
to the receiver?
NO
END
The sine wave appear
At TP1?
Change the Main Board
NO
YES
END
NO
The sine wave appear
at TP2?
YES
Change the Main Board
Содержание E900
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