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4.15.2 Voice path for headset
Voice path for Head_Set as below:
MSM6275A HPH_R, HPH_L → C222,C224 U202(audio codec) → FB702, FB704 → C242,C244
→ #4, #5 pin of CN202 headset Jack
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Start
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
And insert head_Set
Headset insertion detection
in the Main LCD Display OK?
YES
The sine wave appear at
C222,C224 ?
YES
The sine wave appear at
C242,C244 ?
YES
Can you hear the tone?
YES
END
4. TROUBLE SHOOTING
NO
Check #8 pin of CN202
or change the Main b'd
NO
Change the Main board
NO
Check the U202
or change the Main b'd
NO
Check the CN202
or change the Main b'd
- 129 -
LGE Internal Use Only
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