LG GT500 - Page 141

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Only for training and service purposes
4. TROUBLE SHOOTING
G. WCDMA 2100 mode
WCDMA2100 Mode
MODE=4
WTXC=10700,1,890,903,542,557
Figure 4-27-1. WCDMA2100 Mode
WCDMA2100
Logic OK?
Change the Board
No No
Yes Yes
Try 4.17 part
4.17 part Check
OK?
ANTSW3
ANTSW1
ANTSW0/2
Low
High
Low
WCDMA900 Mode