LG KT520 Service Manual page 139
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Also See for KT520:
- User manual (74 pages) ,
- User manual (202 pages) ,
- Quick reference manual (146 pages)
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4. TROUBLE SHOOTING
E. DCS / PCS Tx mode
ANTSW0
ANTSW1
ANTSW2
DCS Tx
Logic OK?
Yes
WCDMA Mode
LGE Internal Use Only
DCS / PCS Tx
MODE=2
SWTX=1,699,0
Low
High
High
Figure 4-26. DCS / PCS Tx Mode
No
4.17 part Check
OK?
Yes
Change the Board
- 140 -
No
Try 4.17 part
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Only for training and service purposes
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Troubleshooting
