LG MG210 Service Manual page 79

4. TROUBLE SHOOTING
Checking Points
Mobile S/W & FEM Circuits Diagram
18
19
16
17
14
15
12
13
6
8
Pin22
Pin21
Pin20
ANT_SW1
ANT_SW2
ANT_SW3
KMS-506 SW400
G2
RF
G1
C410
56p
FL400
YGHF-S006A
GMS_RX- VDD
GSM_RX+ VCTRL1
EGSM_RX- VCTRL2
EGSM_RX+ VCTRL3
DCS_RX-
DCS_RX+ GND1
PCS_RX- GND2
PCS_RX+ GND3
GND4
TX1G GND5
TX2G GND6
- 78 -
ANT
RF2.85V
C413
1000p
3
22
21
20
2
4
5
7
9
10