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SW1001
G1
G2
ANT
GSM_PA_RAMP
GSM_HB_TX
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
W850 TX(824 - 849 MHz)
W900 TX(880 - 915 MHz)
FL1003
C1063
6
1
WCDMA_900_RTX
ANT
RX
100p
3
TX
L1024
L1025
DNI
2
9
5.6n
GND1
GND6
4
8
GND2
GND5
5
7
GND3
GND4
897.5MHz, 942.5MHz
W2100 TX(1920 -1980 MHz)
FL1005
TP2
6
1
WCDMA_2100_RTX
ANT
RX
3
TX
L1035
L1034
2
9
1.8n
GND1
GND6
0.5p
4
8
GND2
GND5
5
7
GND3
GND4
1950MHz, 2140MHz
W1900 TX(1850 -1910 MHz)
FL1008
L1041
6
1
WCDMA_1900_RTX
ANT
RX
100p
3
TX
L1043
L1044
2
9
DNI
10n
GND1
GND6
4
8
GND2
GND5
5
7
GND3
GND4
1880,1960MHz
LGE Internal Use Only
L1002
L1003
DNI
DNI
0603
R1002
2.2K
C1015
39p
R1003
68
R1004
R1005
10dB Atten
100
100
R1007
L1023
100p
L1029
12n
L1033
100p
C1074
DNI
TP3
L1042
100p
C1092
DNI
SW1002
2
ANT
COMMON
1
G3
G4
3
4
TP1
1
HB_IN
2
GND1
3
LB_IN
4
VAPC
5
VBATT
BS2
BS1
FEM
TXEN_
PGND1
W900
C1066
2.2u
U1003
11
PGND
10
VCC2
VCC1
9
RFOUT
RFIN
8
ISO
NC
7
GND
VMODE
C1130
6
C1128
CPL
VEN
1.8p
0.5p
PDET_IN
R1014
68
9.5dB
C1123
2.2u
W2100
U1004
11
PGND
10
VCC2
VCC1
9
RFOUT
RFIN
8
ISO
NC
7
GND
VMODE
6
C1077
C1082
CPL
VEN
1p
0.5p
C1125
W1900
L1045
2.2u
6.8n
U1005
11
PGND
10
VCC2
VCC1
9
RFOUT
RFIN
49.9
8
ISO
NC
7
R1011
GND
VMODE
6
CPL
VEN
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Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C1001
2.2n
L1005
L1004
100n
0.5p
PGND16
PGND15
PGND14
PGND13
U1002
WCDMA3
WCDMA2
+VPWR
C1122
1n
FL1004
1
2
4
1
OUT
IN
3
4
G3
G2
G1
PA_R0
5
5 3 2
L1030
PA_ON0
DNI
897.5 MHz
C1068
C1069
R1019
DNI
100p
DNI
+VPWR
C1124
1n
TP4
FL1007
1
4
1
2
OUT
IN
3
G3
G2
G1
5 3 2
4
PA_R0
C1080
5
PA_ON1
DNI
1950MHz
C1086
C1087
R1020
100p
100p
DNI
+VPWR
C1126
1n
1
FL1010
2
4
OUT
IN
3
G3
G2
G1
4
5 3 2
PA_R0
5
PA_ON2
L1052
DNI
C1103
C1102
DNI
100p
Only for training and service purposes
44
43
42
41
22
GND5
21
GND4
20
GND3
19
GND2
18
ANT
W900
WCDMA_900_TX_OUT
C1067
DNI
W2100
WCDMA_2100_TX_OUT
C1083
3.9n
W1900
1
WCDMA_1900_TX_OUT
L1049
DNI
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Troubleshooting
