LG MG180C Service Manual page 74

4.14.5 Checking FEM & Mobile SW (2) (Rx pass continued)
4. TROUBLE SHOOTING
PIN15 ANT_SW1
: ANT_SW1
PIN14 ANT_SW2
: ANT_SW2
RF2.85V
11
15
14
C519
1000p
13
16
18
19
20
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FL500
DGM081
VDD GSM850_RX1
GSM850_RX2
CTRL1 GSM900_RX1
CTRL2 GSM900_RX2
GSM1800_RX1
9
GND1 GSM1800_RX2
GND2 GSM1900_RX1
GND3 GSM1900_RX2
GND4
GND5
GND6 GSM850_900_TX
GSM1800_1900_TX
1
2
3
4
5
6
7
8
12
10