LG GD510 Service Manual page 91

5. Trouble shooting
GD510 Operational Description
with RF Cable and TP2 of C608
Check TP3, TP4 of FL601
Mobile SW & FEM is OK.
Figure 30 Mobile SW
LG Electronics
LGE Internal Use Only
Checking Flow
Check TP1 of SW601
TP1 Signal same
as C2?
Yes
Yes
Control Signal is
OK
Yes
TP5 Signal is
OK ?
Yes
Check Antenna.
95/116
Replace Mobile SW
No
(SW601)
Replace BB CHIP (U101)
No
Replace FEM (FL601)
No
EGSM TX
Figure 31 FEM Control Signals
- 92 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Revision A
TP2(ANT SW2)
TP1(ANT SW1)
LGE Property
Only for training and service purposes