LG KT520 Service Manual page 135

4. TROUBLE SHOOTING
A. EGSM Rx mode
ANTSW0
ANTSW1
ANTSW2
EGSM Rx
Logic OK?
Yes
See the Next mode
(EGSM Tx Mode)
LGE Internal Use Only
EGSM Rx
MODE=0
SWRX=64,1024
High
Low
High
Figure 4-22. EGSM Rx Mode
No
4.17 part Check
OK?
Yes
Change the Board
- 136 -
No
Try 4.17 part
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