
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 107 -
4.17 Main microphone
MIC400
→
C407,C409 -> MIC1P, MIC1N (MSM6245)
Start
MIC_BIAS (C400) is 1.8V ?
Change the Main board
Wave appears at
C407, C406 ?
NO
Change the MIC
END
Make a Call
Make Sound to MIC
NO
Change the Main Board
Wave appears at
C407, C406 ?
YES
NO
YES
YES
Содержание U370
Страница 1: ...Date January 2008 Issue 1 0 Service Manual Model U370 Service Manual U370 ...
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Страница 147: ... 148 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 178: ...Note ...
Страница 179: ...Note ...