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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
R1005
130
R1004
130
z~XWWX
4
3
2
1
ANT
COMMON
G3
G4
1.8n
C1094
R1003
47
33p
C1107
C1071
100p
C1096
2.7p
2.7p
C1095
C1033
10u
L1037
10n
R1001
0
DNI
L1043
2.7n
C1106
C1098
22p
2.7n
L1040
2.7n
L1041
C1103
3.3p
L1034
8.2n
C1105
22p
R1020
27K
22n
L1035
DNI
C1100
FL1007
`[YU\to¡
4
5
1
3
2
G1 O1
IN
G2 O2
DNI
C1101
C1099
2.7p
VBAT
L1039
2.7n
10p
C1097
U1003
9
8
7
6
5
10
4
11
3
12
2
13
1
14
15
16
17
PGND
RFOUTM
RFOUTH
RFOUTL
NC
RREF
VGS
VEN1
VCC
VEN2
RFGNDH1
RFINL
RFGNDH2
RFINM
RFINH
RFGNDM1
RFGNDM2
10n
C1104
VREG_RF_2.7V
L1021
DNI
C1073
6.8n
4.7n
L1018
X`\Wto¡SGYX[Wto¡
FL1005
9
5
8
4
7
2
3
6
1
RX
ANT
TX
GND1
GND4
GND2
GND5
GND3
GND6
R1012
100
FL1004
X`\Wto¡
5
2
4
1
3
G3
IN
OUT
G1
G2
C1079
100p
100p
C1078
100p
C1076
L1015
8.2n
100p
C1081
L1030
6.8n
15n
L1029
L1016
DNI
U1002
PGND1
15
IN_BAND_VIII
1
OUT_BAND_VIII
14
VMODE_0
2
GND3
13
VMODE_1
3
VCC2_2
12
VCC2_1
4
GND2
11
VEN_BAND_VIII
5
OUT_BAND_I
10
VEN_BAND_I
6
GND1
9
IN_BAND_I
7
CPL_OUT
8
wnukY
X]
330p
C1066
1n
C1065
DNI
C1083
L1022
3.3n
1p
C1074
12n
C1072
18p
C1064
C1082 2.2n
5.6n
L1020
_`^U\Gto¡
FL1003
5
3
2
4
1
IN
OUT
G1
G2
G3
C1077
100p
L1027
1.5n
L1023
8.2n
33p
C1080
L1025
0.5p
L1024
DNI
C1084
2.2n
L1017
DNI
C1068
15p
DNI
C1102
2.2n
L1038
39n
L1033
L1031
1.2n
FL1002
_`^U\to¡S`[YU\to¡
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
10u
C1067
DNI
L1042
100
R1011
R1010
62
C1009
100p
33
R1006
L1014
0.5p
L1011
0.75p
12n
L1010
L1013
33n
U1000
N13
K10
K9
K8
K7
K6
K5
K4
J10
J9
J8
J7
J6
J5
J4
H10
H9
H8
H7
H6
H5
H4
G10
G9
G8
G7
G6
G5
G4
F10
F9
F8
F7
F6
F5
F4
E10
E9
E8
E7
E6
E5
E4
D10
D9
D8
D7
D6
D5
D4
N7
N4
N1
M12
M11
M10
M9
M4
K12
H12
G12
F12
E2
C2
B11
B8
B7
B2
A13
A1
M5
M8
N8
M13
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_INP
WB_MX_INM
VDD_MSM
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND10
GND11
GND12
VDDA1_7
WPRXLBM
GND13
GND14
GND15
GND16
VDDA1_8
VDDA2_13
GND28
GND18
GND40
GND45
GND21
GND55
GND61
GND17
GND30
GND19
GND44
GND48
GND59
GND23
GND26
GND32
GND39
GND46
GND52
GND54
GND62
GND24
GND31
GND38
GND43
GND49
GND22
GND60
GND27
GND35
GND41
GND20
GND51
GND57
GND64
GND29
GND34
GND37
GND42
GND50
GND56
GND65
GND25
GND33
GND36
GND47
GND53
GND58
GND63
GND66
0.1u
C1019
C1054
0.1u
C1020
0.1u
C1021
0.1u 0.1u
C1022
C1046
0.1u 0.1u
C1047
4.7u
C1048
C1045
0.1u
C1044
0.1u
0.1u
C1043
0.1u
C1042
C1039
0.1u
C1041
4.7u
4.7u
C1038
0.1u
C1037
C1035
0.1u
C1036
4.7u
C1040
0.1u
C1055
4.7u
VREG_RF_2.7V_RTR
100p
C1030
12K
R1007
C1031
DNI
C1026
100p
L1008
5.6n
0.1u
C1027
33p
C1006
VREG_RF_2.7V
100p
C1002
C1016
0.1u
C1007
1n
100p
C1003
33p
C1010
C1028
10u
1n
C1015
VSNS_RF_SMPS_2.1V
R1002
0
C1004
10n
C1005
10n
C1029
4.7u
C1017
4.7u
VREG_SMPS_2.1V
150p
C1000
C1001
150p
C1008
150p
150p
C1011
33p
C1032
1K
R1013
0
R1014
DNI
R1015
0.1u
C1085
3.9p
C1086
L1026
2n
DNI
C1087
C1093
3.9p
DNI
C1090
1n
C1049
U1001
GND1
2
VBATT
5
GND10
27
GND2
19
GND9
26
GND3
20
GND8
25
GND4
21
ANT
18
PGND3
31
PGND2
30
PGND1
29
GND5
22
GND6
23
GND7
24
PGND6
34
PGND5
33
PGND4
32
PGND7
35
PGND8
36
PGND9
37
PGND10
38
PGND11
39
PGND12
40
PGND13
41
PGND14
42
PGND15
43
PGND16
44
HB_IN
1
GND11
28
LB_IN
3
VAPC
4
BS2
6
BS1
7
TXEN_
8
MODE
9
WCDMA3
17
TEMP
10
RX4
11
RX3
12
RX2
13
RX1
14
WCDMA1
15
WCDMA2
16
R1000
2.2K
L1003
82n
L1006
0.5p
L1001
DNI
VBAT
L1004
8.2n
FL1001
1842.5MHz,1960MHz
10
3
5
2
8
1
9
6
7
4
IN_1842_5
OUT_1842_5_1
OUT_1842_5_2
OUT_1960_1
IN_1960
OUT_1960_2
GND1
GND3
GND2
GND4
C1059
1.2n
C1057
2.2n
C1061
100p
C1063
1.2n
C1053
2.2n
12n
C1023
10n
L1007
100n
L1002
12n
C1025
C1014
3.3p
C1012
3.3p
R1008
91
47p
C1034
C1051
1n
VSNS_RF_SMPS_2.1V
L1028
1.2n
33p
C1088
C1052
1n
C1050
1n
R1009
91
C1024
39p
YX[Wto¡
FL1006
4
5
1
3
2
G1 O1
IN
G2 O2
C1089
3.3n
FL1000
__XU\to¡S`[YU\to¡
10
3
5
2
8
1
9
6
7
4
IN_881_5
OUT_881_5_1
OUT_881_5_2
OUT_942_5_1
IN_942_5
OUT_942_5_2
GND1
GND3
GND2
GND4
DNI
L1000
C1013
100p
3.9n
C1018
L1005
DNI
C1056
2.4n
DNI
L1009
C1058
18p
4.7n
L1012
SW1000
G1
ANT
G2
22p
C1060
C1062
0.1u
L1032
1.2n
nuk
TX_ON
hu{zlsY
ANT_SEL[2]
ANT_SEL[1]
GSM_PA_RAMP
PA_R0
whyX
TX_Q_M
TX_Q_P
TX_I_M
TX_I_P
RX0_I_M
RX0_I_P
RX0_Q_M
RX0_Q_P
RX1_Q_P
RX1_Q_M
RX1_I_M
RX1_I_P
GPS_IN
WCDMA_LB_RTX
~jkthsiy{
ANT_SEL[3]
GSM_LB_TX
GSM_LB_TX
GSM_HB_TX
GSM_HB_TX
PDET_IN
PDET_IN
PA_ON1
whvuW
hu{zlsW
ANT_SEL[0]
}ylntztlXU_}
RTR6285_SSBI
DAC_REF
TCXO_RTR_19.2MHZ
WCDMA_HB_RTX
WCDMA_HB_RTX
WCDMA_LB_TX
WCDMA_LB_TX
~jkthoi{
WCDMA_HB_TX
WCDMA_HB_MIX_INP
WCDMA_HB_MIX_INP
WCDMA_HB_MIX_INM
WCDMA_HB_MIX_INM
nzt`WWyt
GSM900_RX_M
GSM900_RX_P
GSM900_RX_P
PCS_RX_M
PCS_RX_M
PCS_RX_P
PCS_RX_P
~jkthX`WWysuhv|{
WCDMA1900_RX_LNA_OUT
~jkthYXWWysuhv|{
WCDMA2100_RX_LNA_OUT
~jkthoiy
~jkthoiy
~jkthsiyt
WCDMA_LB_RX_M
~jkthsiyw
WCDMA_LB_RX_P
GSM850_RX_P
GSM850_RX_P
nzt_\Wyt
GSM850_RX_M
DCS_RX_P
DCS_RX_P
DCS_RX_M
DCS_RX_M
}ylnymYU^}y{y
1mm
Near to 4 Pin
Near to 12 Pin
Near to 12 Pin
BAND2(2520):ACMD-7407
BAND1(2520):B7697
BAND8(2520) : SAYRJ897MCA0B0A
BAND15:
BAND25:
BAND18:SKY77195
0603
W900/850
W2100/1900
BAND5(2520) : B7671
WCDMA Dual
1%
uG{Gy{y
GSM850(824-849MHz)
GSM900(880-915MHz)
HIGH
HIGH
W1700
LOW
LOW
HIGH
LOW
HIGH
HIGH
HIGH
DCS1800/PCS1900 TX
GSM850/GSM900 TX
PCS1900 RX
HIGH
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
LOW (X)
W900(W850)
LOW (X)
LOW (X)
LOW (X)
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
LOW
ANTENNA SWITCH MODULE LOGIC(SKY77544)
LOW
ANT_SEL3
DCS1800 RX
GSM900 RX
ANT_SEL2
ANT_SEL1
ANT_SEL0
GSM850 RX
LOW
W2100
W]WZ
FEM
GSM Quad
2mm
7.4dB
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(925-960 MHz)
GSM(869-894 MHz)
7dB
PCS(1850-1910 MHz)
DCS(1710-1785 MHz)
0603
0603
0603
7. CIRCUIT DIAGRAM