LG U8110 Service Manual page 145

4. TROUBLE SHOOTING
A. EGSM Rx Mode
ANTSW1
ANTSW2
ANTSW3
EGSM Rx
Logic OK?
Yes
See the Next mode
(EGSM Tx Mode)
MODE=0
SWRX= 64, 10 24 ,2
Low
Low
Low
Figure 4-21. EGSM Rx Mode
No
4. 4. 1 part Check
OK?
Yes
Change the Board
- 146 -
EGSM Rx
No
Try 4.4.1 part