4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
33p
C1107
C1098
22p
2.7n
L1040
2.7n
L1041
C1103
3.3p
L1034
8.2n
C1105
22p
02
01
R
K7
2
22n
L1035
DNI
C1100
C1099
2.7p
L1039
2.7n
10p
C1097
U1003
9
8
7
6
5
01
4
11
3
21
2
31
1
14
15
16
17
PGND
RFOUTM
RFOUTH
RFOUTL
C
N
F
E
R
R
S
G
V
1
N
E
V
C
C
V
2
N
E
V
1
H
D
N
G
F
R
L
NI
F
R
2
H
D
N
G
F
R
RFINM
RFINH
RFGNDM1
RFGNDM2
10n
C1104
VREG_RF_2.7V
ANT_SEL[2]
ANT_SEL[0]
4.7n
L1018
1950MHz, 2140MHz
FL1005
9
5
8
4
7
2
3
6
1
RX
ANT
TX
GND1
GND4
GND2
GND5
GND3
GND6
L1030
6.8n
15n
L1029
L1027
1.5n
L1017
DNI
C1068
15p
DNI
C1102
2.2n
L1038
39n
L1033
L1031
1.2n
FL1002
897.5MHz,942.5MHz
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
WCDMA_LB_RTX
WCDMA_HB_RTX
BAND2(2520):ACMD-7407
BAND1(2520):B7697
BAND8(2520) : SAYRJ897MCA0B0A
BAND5(2520) : B7671
TP2
Bias
TP3