LG -E410 Service Manual page 39

1
GND1
2
GND2
3
GND3
4
GND4
5
GND5
6
GND6
7
GND7
8
GND8
29
PGND1
30
PGND2
31
PGND3
32
PGND4
33
PGND5
34
PGND6
R1011
110
10dB
1 2
R1006
130
13dB
1 2
LGE Internal Use Only
U1001
2mm
C1118 C1039
2 2
1n 100p
1 1
C1125 C1124
DNI DNI
Schematic of the Antenna Switch Block
- 39 -
4. TROUBLE SHOOTING
44
PGND16
43
PGND15
42
PGND14
41
PGND13
22
GND10
21
TRX3
20
TRX2
19
TRX1
18
VRAMP
17
TXEN
16
MODE
15
GND9
40
PGND12
39
PGND11
38
PGND10
VBAT
TP1
C1038
10u
ANT_SEL1
ANT_SEL2
Copyright © 2013 LG Electronics. Inc. All right reserved.
W850_W900_RTX
W1900_W2100_RTX
C1022 1.2n
L1004
4.7n
C1046
100p
1
L1009
8.2n
2
Only for training and service purposes