
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 103 -
4.15 Headset path
MSM6245 HPH_R, HPH_L
→
C402/C401
→
R407/R406
→
CN401 (MMI Connector)
Start
Connect the phone to network
Equipment and setup call Setup
1KHz tone out and insert
headset
Can you hear the tone?
NO
Change Headset
YES
END
Change the Main board
Sine wave appears
at R405, R406?
NO
YES
Содержание U370
Страница 1: ...Date January 2008 Issue 1 0 Service Manual Model U370 Service Manual U370 ...
Страница 137: ... 138 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
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 ...