LG GD580 Service Manual page 137

4. Trouble Shooting
C. DCS Rx mode
ANTSW1
ANTSW2
ANTSW3
DCS Rx
Logic OK?
See the Next mode
(DCS Tx Mode)
LGE Internal Use Only
DCS Rx
MODE=2
SWRX=699,3
High
High
Low
Figure 4-17-2. DCS Rx Mode
No
Yes
Change the Board
No
4.17 part Check
OK?
Yes
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Try 4.17 part
Only for training and service purposes