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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
C1088
100p
4.7u
C104
6
L1010
7.5n
L1005
5.6n
R1013
0
0
R1014
R1003
0
C1029
10n
L1034
10n
C1030
2.7p
DNI
L1016
10n
L1031
L1013
15n
ANT1001
L1033
3.3n
C1036
2.7p
L1012
82n
L1019
18n
C1039
2.2p
C1037
2.2p
L1018
82n
SW1002
G1
ANT
G2
L1004
100n
C1078
8.2n
C1002
150p
R1001
DNI
C1003
150p
C1010
150p
C1012
150p
DNI
C1001
VREG_SMPS_2.1V
L1007
5.6n
L1009
3.3n
DNI
L1003
R1006
82
R1004
91
R1007
82
L1002
1.5n
L1047
3.3n
DNI
C1101
FL1001
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
U1004
6
7
4
8
3
5
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VEN
NC
ISO
VMODE
GND
CPL
C1079
DNI
L1048
DNI
L1026
3.3n
R1010
180
VBAT
R1009
33
L1008
4.3n
R1011
180
C1028
39p
R1002
2.2K
C1020
100p
100p
C1019
C1018
100p
100p
C1017
SW1001
4
2
1
3
G1
A
C
G2
L1036
100n
C1016
1.5n
L1035
12n
L1006
4.7n
L1027
1.8n
FL1008
7
5
9
4
2
3
8
1
6
ANT
RX1
RX2
TX
GND1
GND2
GND5
GND3
GND4
C1035
33p
FL1002
10
5
3
2
6
4
7
8
9
1 IN
O1_1
O1_2
O2_1
GND
O2_2
C_G
1
C_G
2
C_G
3
C_G
4
L1017
10n
U1002
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
12
R1026
C1034
33p
L1039
1.5n
FL1007
5 3 2
4
1
IN
OUT
G1
G2
G3
47p
C1014
C1038
100p
FL1004
1950MHz,2140MHz
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
C1105
33p
0
R1008
4.7u
C1023
4.7u
C1033
C1007
10n
2.2n
L1030
C1104
100p
10n
C1006
0
R1005
VDD_RX
0.1u
C1057
22p
C1055
C1021
1n
10u
C1032
VREG_MSME_1.8V
C1008
33p
C1005
100p
C1064
3.9p
1n
C1009
3.9p
C1075
0.1u
C1022
C1069
DNI
C1004
100p
L1022
1.8n
1.8n
L1025
C1011
33p
100p
C1056
C1076
100p
C1031
0.1u
C1080
DNI
L1038
4.7n
L1014
100p
3.3n
L1011
12K
R1012
L1001
1n
U1006
3
2
5
4
1
RF_I
N
FIL_OUT
VDD
S_D
GND
12
R1025
DNI
C1091
1K
R1018
C1060
0.1u
100p
C1061
0
R1019
L1021
8.2n
L1015
6.8n
C1095
0.1u
18p
C1094
L1037
100p
VDD_RX
C1071
33p
C1072
1p
6.8p
C1103
FL1006
1575.42 MHz
5
2
4
1
3
G3
IN
OUT
G1 G2
C1090
DNI
C1074
2.7p
L1028
1n
2140MHz
FL1003
5
2
4
3
1
IN
OUT
_OUT
G1 G3
L10002
100p
DNI
C1102
C1087
12n
10n
C1015
DNI
L1032
R1023
180
R1024
180
L1044
22n
L1041
39p
L1045
6.2n
L1046
2.7p
C1096
2.7n
C1097
18n
L1043
3.3p
C1092
6.8n
L1040
10n
L1042
39n
C1093
100p
C1089
100p
C1013
22u
R1022
43
L1023
3.9n
L1024
1n
VREG_RF_2.7V
C1065
6.8p
DNI
R1020
C1073
DNI
FL1005
1950MHz
5 3 2
4
1
IN
OUT
G1
G2
G3
1n
C1070
VBAT
2.7p
C1077
L1029
3.3n
R1021
49.
9
C1067
10u
C1068
33p
U1003
7
4
3
5
2
6
1
RFIN
RFOUT
EN
RREF
GS
VCC
PGND
VBAT
C1084
10u
C1063
10n
R1017
27K
C1082
100p
VREG_TCXO_2.85V
C1059
10p
L1020
2n
100p
C1083
C1085
33p
C1099
100p
100p
C1100
C1086
1n
U1005
6
5
7
4
8
3
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VMODE_1
CPL_IN
VMODE_0
GND
VEN
CPL_OUT
C1062
100p
C1058
DNI
C1054
4.7u
C1045
0.1u
4.7u
C104
1
0.1u
C1040
C104
2
0.1
u
C104
3
4.7
u
0.1u
C1044
C1047
0.1u
0.1u
C1048
C1049
0.1u
0.1u
C1050
0.1u
C105
2
C105
1
0.1
u
C1027
0.1u
0.1u
C1026
C1025
0.1u
0.1u
C1053
0.1u
C1024
U1001
RTR6285A
N1
3
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
D1
0
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_MSM
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND10
GND1
1
GND1
2
VDDA1_7
WPRXLBM
GND1
3
GND14
GND15
GND16
VDDA1_8
VDDA2_13
GND28
GND18
GND4
0
GND4
5
GND2
1
GND5
5
GND61
GND17
GND30
GND19
GND44
GND4
8
GND5
9
GND2
3
GND26
GND32
GND39
GND46
GND52
GND5
4
GND6
2
GND24
GND31
GND38
GND43
GND49
GND22
GND6
0
GND27
GND35
GND41
GND20
GND51
GND57
GND64
GND29
GND3
4
GND37
GND42
GND50
GND56
GND65
GND25
GND3
3
GND36
GND4
7
GND53
GND58
GND63
GND66
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
PA_ON1
PA_R0
PA_R0
RX_WCDMA_900_M
RX_WCDMA_900_M
RX_WCDMA_900_P
RX_WCDMA_900_P
WB2100_MIX_INM
WB2100_MIX_INM
WB2100_MIX_INP
WB2100_MIX_IN
P
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
WCDMA_900_TX_OUT
WCDMA_900_TX_OUT
WCDMA_2100_TX_OUT
WCDMA_2100_TX_OUT
PDET_IN
PDET_IN
GPS_IN
GPS_IN
WCDMA_LB_RTX
WCDMA_LB_RTX
WCDMA_HB_RTX
WCDMA_HB_RTX
EXT_LNA_EN
RX_PCS_P
RX_PCS_P
ANT_SEL0
ANT_SEL3
DCS_PCS_TX
DCS_PCS_TX
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
GSM_TX
GSM_TX
ANT_SEL1
ANT_SEL2
RX_WCDMA_1900
RX_WCDMA_1900
RX_WCDMA_2100
RX_WCDMA_2100
VREG_RF_2.7V_RTR
VREG_RF_2.7V_RTR
GSM Quad
DCS1800 RX
WB850/WB900
DCS1800/PCS1900 TX
GSM850/GSM900 TX
HIGH
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
PCS1900 RX
LOW
LOW
HIGH
0603
Near To RTR
LOW
0603
0603
0603
+2.7V
1%
LOW
HIGH
HIGH
HIGH
ANTENNA SWITCH MODULE LOGIC
LOW
WB2100
1608
ANT_SEL2
ANT_SEL1
ANT_SEL0
GSM850 RX
LOW
LOW
HIGH
LOW
EGSM RX
HIGH
LOW
LOW
LOW
ANT_SEL3
HIGH
HIGH
LOW
LOW
HIGH
LOW
LOW
GSM900(880-915MHz)
GSM850(824-849MHz)
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
1608
5dB
GSM(869-894 MHz)
PCS(1930-1990 MHz)
DCS(1805-1880 MHz)
11dB
2mm
GSM(925-960 MHz)
0603
0603
GSM Quad
W2100 RX(2110 - 2170 MHz)
Near To LNA
LNA for the GPS
WCDMA DUAL
SDPY0004701
WCDMA RX 2100 LNA Circuit
ACMD-7407
BC 2
SDMY0003001
B7697
BC 1
[Duplexer]
BC 5
change_2012.01.03
SDDY0005101
B7671
B7953
SDMY0002801
BC 8
W900
6dB Atten.
W900 Tx (880-915MHz)
W2100 Tx (1920-1980MHz)
7. CIRCUIT DIAGRAM