LG KG330 Service Manual page 92

6. Checking FEM & Mobile Switch
CN400
CN400
FL400
Pin13
EGSM RX
EGSM TX
DCS/PCS RX
DCS/PCS TX
Pin ANT
Pin RF
R422 R421
ANT_SW1 ANT_SW2
VC1
L
L
H
H
- 93 -
4. TROUBLE SHOOTING
RF2.85V
C415
1000p
FL400
9
VDD
12
VC1
11
VC2
7
GND1
14
GND2
15
GND3
16
GND4
R421 220
R422 220
VC2
L
H
L
H
CN400
KMS-506
C413
22p
M067B
1
EGSM_RX1
2
EGSM_RX2
3
GSM1800_RX1
4
GSM1800_RX2
5
GSM1900_RX1
6
GSM1900_RX2
10
EGSM_TX
8
GSM1800_1900_TX
ANT_SW2
ANT_SW1