LG GT500 Service Manual page 140

F. DCS / PCS Tx mode
ANTSW0/1
ANTSW2
ANTSW3
DCS Tx
Logic OK?
WCDMA1900 Mode
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Only for training and service purposes
DCS / PCS Tx
MODE=2
SWTX=1,699,0
Figure 4-26. DCS / PCS Tx Mode
No
Yes
Change the Board
- 141 -
Low
High
High
No
4.17 part Check
OK?
Yes
4. TROUBLE SHOOTING
Try 4.17 part
LGE Internal Use Only