LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.7.2 Voice path for headset
Voice path for Head_Set as below:
MSM6245 HPH_R, HPH_L
→
C4000,C4001
→
R4002,R4003
→
#4, #5 pin of CN4000
headset Jack
- 74 -
start
Headset insertion detection
In the Main LCD Display
ok?
Check # 8 of CN 400 0
Or change the Main
board
The sine wave appear at
C400 0, C400 1?
The sine wave appear at
R400 2, 400 3?
END
Change the
Main board
YES
YES
NO
NO
NO
Change the
Main board
YES
Conn ect the phone to network
Equipment and setup call
Setup 1KHz tone out
And insert head _set
YES
Can you hear the tone
YES
NO
Change the CN 400 0
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Summary of Contents for KF310
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