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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
U1000
N13
K1
0
K9
K8
K7
K6
K5
K4
J1
0
J9
J8
J7
J6
J5
J4
H10
H9
H8
H7
H6
H5
H4
G1
0
G9
G8
G7
G6
G5
G4
F1
0
F9
F8
F7
F6
F5
F4
E1
0
E9
E8
E7
E6
E5
E4
D10
D9
D8
D7
D6
D5
D4
N7
N4
N1
M1
2
M1
1
M1
0
M9
M4
K1
2
H12
G1
2
F1
2
E2
C2
B1
1
B8
B7
B2
A1
3
A1
M5
M8
N8
M1
3
N12
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
WPRXSE2_OUT
WPRXSE1_OUT
WB_MX_IN
P
WB_MX_IN
M
VDD_MS
M
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND1
0
GND1
1
GND1
2
VDDA1_
7
WPRXLBM
GND1
3
GND1
4
GND15
GND16
VDDA1_8
VDDA2_13
GND28
GND1
8
GND4
0
GND4
5
GND2
1
GND5
5
GND61
GND17
GND30
GND1
9
GND4
4
GND4
8
GND5
9
GND2
3
GND26
GND32
GND39
GND4
6
GND5
2
GND5
4
GND6
2
GND24
GND31
GND38
GND43
GND49
GND22
GND60
GND27
GND35
GND41
GND20
GND51
GND57
GND64
GND29
GND34
GND37
GND42
GND50
GND56
GND65
GND25
GND33
GND36
GND4
7
GND5
3
GND58
GND63
GND66
C1035
0.1u
C1075
0.1u
C1036
0.1u
0.1u
C1037
1n
C1019
C1051
0.1u
C1069
0.1u
R1026
330
C1003
1p
330
R1024
L1000 2.2n
C1068
0.1u
C1067
0.1u
C1066
0.1u
C1063
0.1u
C1061
4.7u
R1020
12
C1062
0.1u
C1007
100p
L1015
2n
C1060
0.1u
4.7u
C1059
C1065
0.1u
4.7u
C1072
L1026
4.7n
C1107
2p
L1102 5.6n
L1004
2.7n
R1016
DNI
L1027
100n
VREG_RF_2.7V
22p
C1073
DNI
C1104
2.2u
C1096
L1016
3.6n
FL1004
1950MHz
5 3 2
4
1
IN
OUT
G1
G2
G3
C1081
2.2u
L1003
DNI
C1071
0.1u
330p
C1080
680p
C1095
C1090
3.9n
C1088
3.3n
C1005
DNI
C1098
100
p
110
R1018
110
R1019
C1089
3.9n
27p
L1023
DNI
C1114
100p
C1093
C1087
2.7n
C1103
6.8n
C1091
DNI
C1097
680p
VBAT
100p
C1094
C1082
330p
FL1007
7
5
8
4
9
2
3
1
6
ANT
RX1
TX
GND1
GND5
GND2
RX2
GND3
GND4
100p
L1028
C1023
8.2p
C1026
56p
C1027
56p
VBAT
L1005
4.7n
C1013 5.6p
C1028
2.7p
DNI
C1099
1575.42 MHz
FL1005
5
2
4
1
3
G3
IN
OUT
G1 G2
C1115
6.8p
C1086
8.2n
5.6p
C1024
L101
9
33p
VDD_RX
L1009
8.2n
2.7p
C1079
L1002
3.3n
C1047
39p
C1056 100p
C1105
18p
C1106
0.1u
L1011
6.8n
C1083
DNI
1.8n
L1018
2n
L1017
1.8n
L1024
DNI
L1006
100p
C1074
C1078
100p
C1040 2.7p
DNI
C1100
12
R1021
U1004
3
2
5
4
1
RF_I
N
FIL_OUT
VDD
S_D
GND
C1054
33p
12K
R1004
L1007
DNI
L1010
100p
L1030
4.7n
C1041
2.2p
ANT1002
HJ-ICT-06Y
1
2.2p
C1048
L1008
18n
L1012
10n
DNI
C1004
C1050
8.2n
C1032
0.1u
8.2n
C1057
VBAT
2.7p
C1092
C1014
100p
1n
C1031
C1077
0.1u
100p
C1015
C1018
33p
VREG_MSME_1.8V
C1052
10u
0.1u
C1034
2.2K
R1002
C1016 10n
0.1u
C1058
ANT1001
HJ-ICT-06Y
1
VDD_RX
R1014
1K
R1017
51
10n
C1017
L1014 DNI
R1012
130
47
R1011
R1013
130
75
R1006
R1023
12
R1022
49.
9
2.7p
L102
2
C1110
100p
C1084
4.7n
R1007
91
2140MHz
FL1003
5
2
4
3
1
IN
OUT
_OUT
G1 G3
100p
C1109
C1053
4.7u
U1001
24
17
18
19
13
12
6
5
3
1
2
16
20
15
14
4
22
11
10
9
8
7
23
21
TX_EN
PGND1
GND
GND2
GND3
RX1
RX2
VRAMP
GND5
AN
T
GND6
GPCTRL0
GND7
GND8
GND1
RFIN_LB
RFIN_HB
GND4
TRX1
TRX2
GPCTRL1
VBATT
GPCTRL2
PGND2
1950MHz, 2140MHz
FL1002
9
5
8
4
7
2
3
6
1
RX
ANT
TX
GND1
GND4
GND2
GND5
GND3
GND6
DNI
L1021
DNI
C1112
R1008
91
SW1000
4
3
2
1
ANT
COMMON
G3
G4
47p
C1039
VREG_SMPS_2.1V
1.2n
C1002
56p
C1049
C1025
150p
C1020
150p
C1012
150p
C1006
150p
R1001
0
3.9p
C1085
3n
L1020
L1013
DNI
DNI
C1108
R1000
0
33p
C1022
L1032
3.3n
L1025
3.3n
DNI
C1113
C1046
100p
U1003
6
7
4
8
3
5
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VEN
NC
ISO
VMODE
GND
CPL
U1002
6
7
4
8
3
5
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VEN
NC
ISO
VMODE
GND
CPL
C1101
100p
C1076
DNI
3.3p
L1031
DNI
C1117
C1038
22u
R1015
0
C1111
10p
L1029
3.3p
C1116
0.5p
L103
4
4.7n
5.6n
L1033
C1055
22p
L1001
100n
C1070
DNI
C1042
DNI
DNI
C1044
C1064
4.7u
C1045
DNI
ANT1004
HJ-ICT-06Y
1
FL1000
10
5
8
3
7
2
6
4
9
1
1842_5/1960MHz
1960MHz_2
GND5
1842_5MHz_1
GND1
1842_5MHz_2
GND2
1960MHz_1
GND3
GND4
C1033
4.7u
FL1001
10
5
8
3
7
2
6
4
9
1
881_5/942_5MHz
942_5MHz_2
GND5
881_5MHz_1
GND1
881_5MHz_2
GND2
942_5MHz_1
GND3
GND4
DNI
C1043
TCXO_RTR_19.2MHZ
GSM_PA_RAMP
TX_ON
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
ANT_SEL3
ANT_SEL0
PA_ON1
GSM_TX
GSM_TX
DCS_PCS_TX
DCS_PCS_TX
WCDMA_900_RTX
WCDMA_900_RTX
WCDMA_2100_RTX
WCDMA_2100_RTX
WCDMA_1900_2100_TX_OUT
WCDMA_1900_2100_TX_OUT
WCDMA_850_900_TX_OUT
WCDMA_850_900_TX_OUT
RX_WCDMA_900_M
RX_WCDMA_900_M
RX_WCDMA_900_P
RX_WCDMA_900_P
GPS_IN
GPS_IN
PDET_IN
PDET_IN
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_LNA_OUT
WB2100_MIX_INP
WB2100_MIX_INP
WB2100_MIX_INM
WB2100_MIX_INM
RX_PCS_P
RX_PCS_P
RX_PCS_M
RX_PCS_M
RX_DCS_P
RX_DCS_P
RX_DCS_M
RX_DCS_M
RX_GSM_900_P
RX_GSM_900_P
RX_GSM_900_M
RX_GSM_900_M
RX_GSM_850_P
RX_GSM_850_P
RX_GSM_850_M
RX_GSM_850_M
VREG_RF_2.7V_RTR
VREG_RF_2.7V_RTR
RX_WCDMA_HB
RX_WCDMA_HB
WCDMA RX 2100 LNA Circuit
GSM QUAD
LNA for the GPS
Near To LNA
W2100 RX(2110 - 2170 MHz)
1608
1%
+2.7V
0603
Near To RTR
8dB
Close to pin1
11dB
7dB
PCS(1850-1910 MHz)
1608
DCS(1710-1785 MHz)
GSM(925-960 MHz)
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM850(824-849MHz)
2mm
Band I
GSM900(880-915MHz)
GSM(869-894 MHz)
Band V
WCDMA DUAL
Tx SAW filter is deleted.12/01/02
7. CIRCUIT DIAGRAM