LG F1200 Service Manual page 82

(6) Checking FEM & Mobile S/W circuits
Checking Points
Pin13
Pin10
Mobile S/W & FEM Circuit Diagram
C120 1p
L101
22nH
C121 1p
C122 1.2p
L103
6.8nH
C123 1.2p
C124 1.2p
L106
5.6nH
C125 1.2p
ANT_SW1
FL100
Pin1 Pin3
L102
NA
FL100
SHS-L090SF
8
DCS_PCS_TX
10
EGSM_TX
1 7
EGSM_RX1 GND1
L104
2 14
EGSM_RX2 GND2
NA
3
DCS_RX1
4 12
DCS_RX2 VC3
5 9
PCS_RX1 VC2
6 11
PCS_RX2 VC1
L105
NA
RF2.85V
- 81 -
SW100
ANT_SW2
Pin5
R100
G1
RF ANT
G2
0
SW100
KMS-507
C127
1000p
C112
1000p
C111
1000p
4. TROUBLE SHOOTING
Pin1
Pin2
Pin8
ANT_SW3
R101
TP100
2p
10nH
C100
C101
NA