- 98 -
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
Set the phone Rx is ON
Check BIAS over 2.1V
Check bias block soldering
No
Yes
Change the board
Check TP1 Signal exist?
Check RF Switch (M/S)
No
Yes
Check TP2 Signal exist?
Check TX Module Refer 1.4
No
Yes
Check TP3 Signal exist?
Check Duplexer
No
Yes
Check TP4 Signal exist?
Check RTR6285 and Rx SAW filter
No
Yes
Содержание GT540
Страница 1: ...Service Manual Model GT540 Internal Use Only Service Manual GT540 Date April 2010 Issue 1 0 ...
Страница 163: ... 164 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 175: ... 176 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 205: ... 206 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 207: ... 208 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...