LG KC560 Service Manual page 93

5. TROUBLE SHOOTING
5.14.6. Checking FEM & Mobile SW
UFL-R-SMT10
2
G1
3
G2 ANT
CN401
TP6, TP7
FEM TX Control Logic
LGE Internal Use Only
Mobile SW & FEM Circuit Diagram
LS Cable
SW400
G2
ANT RF
G1
GRS301-2S-H26-E3000
TP1
Mobile SW & FEM Circuit
TP3(FE2)
Mobile SW & FEM
TX Mode VDD
GSM900 H
DCS/PCS H
2V85_VRF
C400
C404
0.1u
39p
FL400
C407
DGM1110M014
22p
ANT
17
TP2
FL400
TP4 (FE1) TP5(VDD)
FE1
L
H
- 94 - Copyright © 2008 LG Electronics. Inc. All right reserved.
FE1
FE2
C401 C448
100p 100p
D5008( E pcos)
TP1(SW400)
TP2(C407)
FE2
H
H
Only for training and service purposes