Table of Contents
Advertisement
RF WCDMA
Band 1 : 2100
TRX_W2100
Band8 : 900
TRX_W900
Band 4 : AWS
TRX_AWS
LGE Internal Use Only
FL100
6
3
ANT
TX_IN
1
RX_OUT1
L100
L101
8
RX_OUT2
DNI
DNI
2
GND1
4
7
GND2
GND4
5
9
GND3
GND5
1950 MHz,2140 MHz
C104
10p
C105
4p
PRX_W2100_M
L102
L103
10n
4.7n
C109
10p
C110
4p
PRX_W2100_P
C115
33p
PRX_W900_P
L106
L107
5.1n
DNI
FL603
1
RX1
C116
1n
6
8
C117
33p
ANT
RX2
PRX_W900_M
3
w900_dpx_tx_in
TX
C118
C119
2
DNI
DNI
GND1
4
7
GND2
GND4
5
9
GND3
GND6
897.5 MHz,942.5 MHz
PRX_AWS_M
L112
L113
DNI
1.5n
FL102
1
PRX_AWS_P
RX1
6
8
ANT
RX2
3
aws_dpx_tx_in
TX
2
L115
L116
GND1
4
7
DNI
DNI
GND2
GND4
5
9
GND3
GND6
1732.5 MHz,2132.5 MHz
1.5n
C101
C103
C102
0.5p
DNI
C106
C154
C155
C107
330p
2.2u
2.2n
330p
U801
14
1
RFOUT_LOW
RFIN_LOW
13
2
GND3
VMODE
12
3
VCC2
VBP
11
4
GND2
VCC1
10
5
RFOUT_HI
VEN_LOW
9
6
GND1
VEN_HI
8
7
CPL
RFIN_HI
C113
C114
100p
100p
C121
100p
L110
C123
33n
DNI
C125
C127
330p
330p
U101
11
PGND
C130
1.8n
10
1
VCC2
VCC1
9
2
RFOUT
RFIN
8
3
CPL_IN
VMODE_1
7
4
GND
VMODE_0
6
5
1p
L121
CPL_OUT
VEN
L120
DNI
C135
100p
AWS_ON
C137
100p
R100
PWR_DET_IN
43
- 163 -
VBAT
C108
2.2u
FL105
897.5MHz
L104
33p
33p
C152
C153
4
1
OUT
IN
G3
G2
G1
1.8n
R0
5
3
2
C112
L151
DNI
DNI
W900_ON
W2100_ON
C138
C139
100p
100p
1950MHz
FL104
C151
2.7n
L109
1n
33p
C150
4
1
OUT
IN
G3
G2
G1
5
3
2
15n
0.5p
C122
L150
VBAT
C126
2.2u
1732.5 MHz
FL103
L117
C131
4
1
L118
6.8n
OUT
IN
2.7n
G3
G2
G1
33p
5
3
2
C33
R0
0.5p
1p
L119
C136
100p
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
TX_W900
TX_W2100
C157
DNI
TX_AWS
C156
DNI
Only for training and service purposes
Advertisement
Table of Contents
Troubleshooting
