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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
L1007
15n
u7.
4
35
1
C
0
R102
C1006
56p
R111
0
R110 0
R109
0
C137
DNI
98
1
C
n7.
2
C117
8.2p
U102
6
5
7
4
8
3
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VBP
ISO
VMODE
GND
VEN
CPL
L1006
3.3n
0
R106
C118
100p
11
1
C
n2.
1
ANT103
R100
68n
0
R103
C1043
22u
U103
6
5
7
4
8
3
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VBP
ISO
VMODE
GND
VEN
CPL
L1031
DNI
C190
0.5p
C101
150p
C102
150p
C114
150p
C119
150p
C144
3.3p
VREG_SMPS_2.1V
2.2u
C187
C181
3.3n
C199
22n
C183
1p
1950MHz
FL102
5
3
2
4
1
IN
OUT
G1
G2
G3
C1044
47p
C138
6.8n
SW100
4
3
2
1
ANT
COMMON
G3
G4
C174
2.2u
897.5MHz
FL104
5
3
2
4
1
IN
OUT
G1
G2
G3
56p
C1007
52
1
C
u7.
4
12
01
C
n2.
2
C232
1.5n
C197
DNI
330p
C172
680p
C186
40
01
C
p2.
2
U101
24
17
18
19
13
12
6
5
3
1
2
16
20
51
41
4
22
11
10
9
8
7
23
21
TX_EN
PGND1
GND
GND2
GND3
RX1
RX2
VRAMP
5
D
N
G
T
N
A
6
D
N
G
GPCTRL0
GND7
GND8
GND1
BL
_
NI
F
R
B
H_
NI
F
R
GND4
TRX1
TRX2
GPCTRL1
VBATT
GPCTRL2
PGND2
FL1001
10
5
3
2
6
4
7
8
9
1 IN
O1_1
O1_2
O2_1
C_C5
O2_2
1
G_
C
2
G_
C
3
G_
C
4
G_
C
53
1
C
u7.
4
DNI
C1009
FL1002
10
5
3
2
6
4
7
8
9
1 IN
O1_1
O1_2
O2_1
GND
O2_2
1
G_
C
2
G_
C
3
G_
C
4
G_
C
n7.
2
59
1
C
L1012
9.1n
87
1
C
n7.
2
DNI
L116
FL2
7
5
8
4
9
2
3
1
6
ANT
RX1
TX
GND1
GND5
GND2
RX2
GND3
GND4
110
R123
110
R124
12
1
L
n3
L1011
0.75p
25
01
C
n9.
3
R128
0
R120
0
22
1
L
p7
2
24
01
C
n9.
3
12
R127
42
1
L
n3.
3
09
01
C
p8
1
54
01
C
p0
01
p0
01
74
01
C
84
01
C
p0
01
p0
01
15
01
C
FL1008
1950MHz,2140MHz
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
R121
DNI
L113 DNI
C108 10n
51
1
L
n4.
2
91
1
R
K1
n9.
3
97
01
C
L1021
12n
L120
33p
VDD_RX
C177
8.2n
C109
100p
67
1
C
n7.
4
C182
3.9n
21
1
L
n0
1
97
1
C
p7.
2
ANT100
1
p7.
2
17
1
C
74
1
C
u1.
0
C106 10n
92
1
L
n7.
2
C198
0.75p
C1091
56p
2.2K
R107
62
1
C
u1.
0
u0
1
43
1
C
VREG_MSME_1.8V
C112
33p
C105
100p
C180
1p
96
1
C
u1.
0
n1
32
1
C
C1005
DNI
C104
100p
69
1
C
I
N
D
100p
C184
42
1
C
u1.
0
n0
1
41
1
L
p2.
2
61
01
C
L1035
1.5n
L1010
DNI
0.75p
L1014
C1092
22p
02
1
C
p0
01
ANT105
1
30
01
C
I
N
D
51
1
C
I
N
D
10
1
R
I
N
D
L102
100p
DNI
C1013
L128
4.7n
L110
100p
L1008
DNI
14
01
C
n8.
1
DNI
L1003
12K
R108
32
01
C
p3.
3
p3.
3
52
01
C
33p
C136
U104
3
2
5
4
1
NI
_
F
R
FIL_OUT
VDD
S_D
GND
12
R125
DNI
C191
L125
DNI
p0
01
07
1
C
100p
C167
L119
1.8n
2n
L118
L123
1.8n
DNI
C173
L111
6.8n
C193
0.1u
18p
C192
C139
100p
39p
C1024
VDD_RX
6.8p
C204
FL103
1575.42 MHz
5
2
4
1
3
G3
IN
OUT
G1 G2
03
1
21
1
R
47
R113
03
1
41
1
R
VBAT
C121
DNI
75
R116
18n
L1005
5.6n
C1040
5.6n
C1036
2140MHz
FL101
5
2
4
3
1
IN
OUT
_OUT
G1 G3
C202
0.5p
DNI
C203
C116
DNI
C188
680p
19
51
1
R
06
1
C
u1.
0
C1008
DNI
VBAT
100p
C185
C175
330p
VBAT
R122
51
C166
22p
33p
C194
9.
94
62
1
R
100p
C201
100p
C200
VREG_RF_2.7V
L130
100p
L126
100n
19
71
1
R
DNI
C1081
16
1
C
u7.
4
45
1
C
u1.
0
u7.
4
84
1
C
94
1
C
u1.
0
15
1
C
u1.
0
05
1
C
u7.
4
25
1
C
u1.
0
55
1
C
u1.
0
65
1
C
u1.
0
75
1
C
u1.
0
85
1
C
u1.
0
33
1
C
u1.
0
95
1
C
u1.
0
1n
C113
92
1
C
u1.
0
82
1
C
u1.
0
C168
0.1u
72
1
C
u1.
0
U100
31
N
01
K
9
K
8
K
7
K
6
K
5
K
4
K
01
J
9J
8J
7J
6J
5J
4J
01
H
9
H
8
H
7
H
6
H
5
H
4
H
01
G
9
G
8
G
7
G
6
G
5
G
4
G
01
F
9
F
8
F
7
F
6
F
5
F
4
F
01
E
9
E
8
E
7
E
6
E
5
E
4
E
01
D
9
D
8
D
7
D
6
D
5
D
4
D
N7
4
N
1
N
21
M
11
M
01
M
M9
4
M
21
K
21
H
21
G
21
F
2
E
2
C
11
B
8
B
7
B
2
B
31
A
1
A
5
M
8
M
8
N
31
M
21
N
N6
N3
M6
L12
G2
L13
F13
K13
F2
A2
B10
A12
B6
G13
B1
A6
D12
A5
E12
H2
D13
H1
E13
F1
D2
B12
D1
C12
A11
B13
A3
C13
N2
J13
J12
M2
M1
H13
L2
L1
N11
N10
K1
K2
N9
J2
J1
A7
A8
G1
A9
N5
E1
B9
A10
B4
B3
M3
B5
C1
A4
M7
RF_ON
TX_IP
TCXO
TX_IN
SBDT
TX_QP
TX_QN
LB_RF_OUT1
LB_RF_OUT2
VTUNE1
VTUNE2
HB_RF_OUT1
VTUNE_GPS
HB_RF_OUT2
HB_RF_OUT3
PRX_QP
PRX_QN
WPRXLBP
PRX_IP
PRX_IN
WPRXHBP
WPRXHBM
DRX_QP
DRX_QN
WDRXLB
DRX_IP
DRX_IN
WDRXHB1
WDRXHB2
NC
GCELL_INP
DAC_IREF
GCELL_INN
VDDA1_1
EGSM_INP
VDDA1_2
EGSM_INN
VDDA1_3
VDDA1_4
DCS_INP
VDDA1_5
DCS_INN
VDDA1_6
GPCS_INP
VDDA2_1
GPCS_INN
VDDA2_2
VDDA2_3
GPS_IN
VDDA2_4
PDET_IN
VDDA2_5
TX_RBIAS
VDDA2_6
WPRXSE1
VDDA2_7
WPRXSE2
VDDA2_8
VDDA2_9
VDDA2_10
VDDA2_11
VDDA2_12
T
U
O_
2
E
S
X
R
P
W
T
U
O_
1
E
S
X
R
P
W
P
NI
_
X
M_
B
W
M
NI
_
X
M_
B
W
M
S
M_
D
D
V
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
5
D
N
G
6
D
N
G
7
D
N
G
8
D
N
G
9
D
N
G
01
D
N
G
11
D
N
G
21
D
N
G
7_
1
A
D
D
V
WPRXLBM
31
D
N
G
41
D
N
G
51
D
N
G
61
D
N
G
8_
1
A
D
D
V
VDDA2_13
82
D
N
G
81
D
N
G
04
D
N
G
54
D
N
G
12
D
N
G
55
D
N
G
16
D
N
G
71
D
N
G
03
D
N
G
91
D
N
G
44
D
N
G
84
D
N
G
95
D
N
G
32
D
N
G
62
D
N
G
23
D
N
G
93
D
N
G
64
D
N
G
25
D
N
G
45
D
N
G
26
D
N
G
42
D
N
G
13
D
N
G
83
D
N
G
34
D
N
G
94
D
N
G
22
D
N
G
06
D
N
G
72
D
N
G
53
D
N
G
14
D
N
G
02
D
N
G
15
D
N
G
75
D
N
G
46
D
N
G
92
D
N
G
43
D
N
G
73
D
N
G
24
D
N
G
05
D
N
G
65
D
N
G
56
D
N
G
52
D
N
G
33
D
N
G
63
D
N
G
74
D
N
G
35
D
N
G
85
D
N
G
36
D
N
G
66
D
N
G
TCXO_RTR_19.2MHZ
GSM_PA_RAMP
TX_ON
GND
VREG_RF_2.7V
DAC_REF
TX_I_P
TX_I_M
TX_Q_P
TX_Q_M
RX0_I_P
RX0_I_M
RX0_Q_M
RX0_Q_P
RX1_I_P
RX1_I_M
RX1_Q_M
RX1_Q_P
GPS_MODE
RTR6285_SSBI
VREG_SMPS_2.1V|VSNS_RF_SMPS
PA_ON0
ANT_SEL2
PA_R0
PA_R0
ANT_SEL1
GSM_TX
GSM_TX
RX_WCDMA_HB
RX_WCDMA_HB
VREG_RF_2.7V_RTR
VREG_RF_2.7V_RTR
RX_GSM_850_M
RX_GSM_850_M
RX_GSM_850_P
RX_GSM_850_P
RX_GSM_900_M
RX_GSM_900_M
RX_GSM_900_P
RX_GSM_900_P
RX_DCS_M
RX_DCS_M
RX_DCS_P
RX_DCS_P
RX_PCS_M
RX_PCS_M
RX_PCS_P
RX_PCS_P
DCS_PCS_TX
DCS_PCS_TX
WB2100_MIX_INM
M
NI
_
XI
M_
00
12
B
W
WB2100_MIX_INP
P
NI
_
XI
M_
00
12
B
W
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
PDET_IN
PDET_IN
GPS_IN
GPS_IN
ANT_SEL3
RX_WCDMA_900_P
RX_WCDMA_900_P
RX_WCDMA_900_M
RX_WCDMA_900_M
WCDMA_850_900_TX_OUT
WCDMA_850_900_TX_OUT
WCDMA_1900_2100_TX_OUT
WCDMA_1900_2100_TX_OUT
WCDMA_2100_RTX
WCDMA_2100_RTX
WCDMA_900_RTX
WCDMA_900_RTX
ANT_SEL0
PA_ON1
8dB
GSM(925-960 MHz)
Close to pin1
Murata
EAM62492501
2mm
11dB
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(869-894 MHz)
7dB
80
61
PCS(1850-1910 MHz)
DCS(1710-1785 MHz)
GSM850(824-849MHz)
GSM900(880-915MHz)
Band I
Band VIII
Near To RTR
0603
+2.7V
1%
8
0
6
1
W2100 RX(2110 - 2170 MHz)
Near To LNA
LNA for the GPS
WCDMA DUAL
WCDMA RX 2100 LNA Circuit
7. CIRCUIT DIAGRAM