LG CG225 Service Manual page 90

4.17.7 Checking FEM & Mobile SW (2) (Tx pass continued)
SW501
PIN15 ANT_SW1
: ANT_SW1
PIN14 ANT_SW2
: ANT_SW2
RF2.85V
C529
1000p
ANT_SW1
ANT_SW2
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4. TROUBLE SHOOTING
SW501
KMS-507
C516
22p
11
VDD GSM850_RX1
GSM850_RX2
15
CTRL1 GSM900_RX1
14
CTRL2 GSM900_RX2
FL501
GSM1800_RX1
9
DGM081
GND1 GSM1800_RX2
13
GND2 GSM1900_RX1
16
GND3 GSM1900_RX2
18
GND4
19
GND5
20
GND6 GSM850_900_TX
GSM1800_1900_TX
1
2
3
4
5
6
7
8
12
10