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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
33p
C1087
942.5MHz
FL1
4
5
1
3
2
G1 O1
IN
G2 O2
12
R1025
L1045
DNI
DNI
R9
FL1007
5
2
6
4
3
1
IN
OUT
G
OUT_NON
1
G
2
G
2.2K
R1006
36
11
R
33
L1030
DNI
U1002
31
30
29
44
43
42
41
40
39
38
73
63
53
16
15
41
31
21
11
01
34
33
32
17
9
18
8
19
7
20
6
21
5
22
4
32
3
42
2
52
62
72
82
1
DCS_PCS_IN
11
D
N
G
01
D
N
G
9
D
N
G
8
D
N
G
GND1
7
D
N
G
GSM_IN
6
D
N
G
VAPC
GND5
VBATT
GND4
BS2
GND3
BS1
GND2
_TXEN
ANT
E
D
O
M
WCDMA3
PGND4
PGND5
PGND6
P
M
ET
4
X
R
3
X
R
2
X
R
1
X
R
WCDMA1
WCDMA2
7
D
N
G
P
8
D
N
G
P
9
D
N
G
P
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
PGND1
PGND2
PGND3
DNI
C1097
39p
C1024
L1034
DNI
L1003
82n
82n
L1008
0.5p
L1011
DNI
L1014
L1015
100p
L1016
5.6n
C1929
100p
2.2
R1010
10
R1012
03
1
4
R
47
R6
03
1
5
R
C1009
0.0082uH
10p
C23
3.3p
C26
8.2n
L2
FL1005
897.5 MHz
5 3 2
4
1
IN
OUT
G1
G2
G3
L1027
3.3n
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R1004
1.5n
18n
L1004
L1025
12p
L1032
6.8n
94
01
C
u1.
0
10u
C1163
+VPWR_RF
C1043
10u
100p
C1065
75
R7
VREG_SMPS_2.1V
33p
C1046
C1022
33p
R19
0
18n
L1005
55
01
C
u1.
0
u1.
0
03
01
C
C1007
56p
p2
2
72
01
C
12K
R1018
1842.5MHz,1960MHz
FL1002
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
K1
91
01
R
C1153
4.7n
C1042
6.8n
U1001
3
2
9
2
8
2
5
3
4
3
9
6
62
61
60
54
43
36
37
38
27
68
25
52
21
42
8
7
45
1
44
53
47
22
46
10
6
49
4
48
3
51
67
50
19
39
40
18
17
41
16
15
33
32
13
31
14
30
12
11
59
58
9
56
24
5
57
55
65
66
20
63
2
64
26
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
WPRXLBN
PRX_IN
WPRXHBP
WPRXHBN
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
D
N
G
P
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
D
D
V
5.6n
C1040
C1011
100p
VREG_RF_2.7V
10
R1016
u1.
0
83
01
C
C1052
6.8n
5.6n
C1036
1n
C1018
C1023
4.7p
L1007
18n
C1090
12p
R1017
10
68p
C1010
ANT1003
C1012
100p
C1017
33p
VREG_MSMP_2.6V
76
01
C
u1.
0
C1019
68p
L11
DNI
35
01
C
u1.
0
u0
1
05
01
C
p2
2
92
01
C
73
01
C
n1
u1.
0
95
01
C
06
01
C
u1.
0
C1025
4.7p
22n
L1010
u7.
4
65
01
C
45
01
C
u7.
4
u1.
0
85
01
C
75
01
C
u1.
0
22p
C1064
p0
01
86
01
C
0.1u
C1066
36
01
C
u1.
0
2.2p
C1016
2.2p
C1004
19
61
R
C1045
1n
L12
100p
VDD_RX
1n
C1047
2.7n
L1035
5.6n
L1021
C1081
DNI
ANT1002
18p
C1079
C1088
15p
12n
L1013
C1003
15p
R1005
1p
33p
C1005
C1086
8.2n
1n
C1048
2140 MHz
FL1011
5
2
4
1
3
G3
IN
OUT
G1 G2
3.9p
C1069
L1033
DNI
L1018
1.8n
0
R1015
C1051
1n
2n
L1017
L1019
1.8n
DNI
C1070
1
FB3
DNI
C1105
C1080
3.9p
U1004
3
2
5
4
1
NI
_F
R
FIL_OUT
VDD
S_D
GND
C1099
0.1u
18p
C1098
19
51
R
C1073
DNI
L1036
3.3n
R1026
1K
VDD_RX
C1072
33p
33p
C1071
6.8p
C1107
8
R
0
47p
C1044
FL1008
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
U1003
16
8
7
9
6
10
5
11
4
12
3
13
2
14
1
15
PGND1
IN_BAND_VIII
OUT_BAND_VIII
VMODE_0
GND3
VMODE_1
VCC2_2
VCC2_1
GND2
VEN_BAND_VIII
OUT_BAND_I
VEN_BAND_I
GND1
IN_BAND_I
CPL_OUT
PGND2
C1093
DNI
2140MHz
FL1003
4
5
1
3
2
G1 O1
IN
G2 O2
10n
C1013
10n
C20
DNI
L1020
6.8p
C1078
DNI
R12
3.3p
C1089
5.6n
L1029
33
R1022
18
R1023
+VPWR_RF
C1075
0.001uF
10u
C1077
330p
C1076
C1083
1n
22n
L1026
C1084
5.6p
C1092
1.5n
100p
C1094
C1096
100p 100p
C1095
43
01
C
u1.
0
33p
C1118
C1127
DNI
p2
2
13
01
C
p2
2
33
01
C
VREG_TCXO_2.85V
ANT1006
C1091
47p
BGA735L16
U2
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
GF
R
L
NI
F
R
2
H
D
N
GF
R
RFINM
RFINH
RFGNDM1
RFGNDM2
U1006
7
4
3
5
2
6
1
RFIN
RFOUT
EN
RREF
GS
VCC
D
N
G
P
C1130
10n
VREG_RF_2.7V
ANT1005
R1030 27K
5.6n
L1028
C1120
10p
C1121
33p
C1015
10n
u1.
0
23
01
C
26
01
C
u1.
0
u1.
0
16
01
C
VREG_TCXO_2.85V
L1031
DNI
L1044
3.6n
10p
C1119
L1043
2n
100p
C1129
FB2
1
881.5MHz,942.5MHz
FL1001
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
+VPWR_RF
1950MHz
FL1006
5 2
4
1
3
G3
IN
OUT
G1
G2
1.5p
C36
DNI
C1148
10p
C27
3.3n
L7
2.7n
L6
1.5p
C37
22n
L8
10n
L9
C1113
100p
C1104
1n
C1114
100p
100p
C1115
2.2u
C1102
33p
C1103
22p
C24
L4000
DNI
L1130
27n
897.5 MHz,942.5 MHz
FL2
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND5
GND2
GND6
GND3
GND4
SW1001
4
3
2
1
ANT
COMMON
G3
G4
u1.
0
82
01
C
DNI
L1002
33p
C1014
33p
C1021
DNI
L1006
33p
C1039
27n
L1009
33p
C1041
DNI
L1012
10n
L1022
1
R24
3.3n
C10
L1039
100p
8.2n
C1106
12p
C28
0
01
R
L1120
DNI
100p
C12
100p
C13
27K
R18
C1928
DNI
100p
C14
DNI
R1021
0
R14
4.7u
C1162
4.7u
C1160
R1029
DNI
ANT_SEL1
ANT_SEL2
ANT_SEL0
ANT_SEL3
TCXO_RTR_19.2MHZ
GSM_PA_RAMP
TX_ON
VSNS_RF_SMPS
VREG_SMPS_2.1V|VSNS_RF_SMPS
PA_ON1
GND
GND
PA_ON0
PA_R0
PA_R0
PA_ON2
GPS_IN
GPS_IN
DCS_PCS_TX
DCS_PCS_TX
GSM_TX
GSM_TX
WCDMA_2100_RTX
WCDMA_2100_RTX
RX_PCS_P
RX_PCS_P
RX_PCS_M
RX_PCS_M
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
WCDMA_2100_TX_OUT
WCDMA_2100_TX_OUT
RX_WCDMA_2100
RX_WCDMA_2100
PDET_IN
PDET_IN
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
RX_DCS_P
RX_DCS_P
RX_WCDMA_1700_M
RX_WCDMA_1700_P
RX_WCDMA_900_P
RX_WCDMA_900_P
RX_WCDMA_900_M
RX_WCDMA_900_M
WB2100_MIX_INM
M
NI
_
XI
M_
00
12
B
W
WB2100_MIX_INP
P
NI
_
XI
M_
00
12
B
W
WCDMA_900_RTX
WCDMA_900_RTX
WCDMA_900_TX_OUT
WCDMA_900_TX_OUT
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_SE
RX_WCDMA_1900_SE
PA_R1
PA_R1
DIVERSITY_IN
DIVERSITY_IN
AWS_RXDIV_LNA_OUT
AWS_RXDIV_LNA_OUT
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
INTER_RX_SW_SEL_1
INTER_RX_SW_SEL_2
LNA_GAIN_CONTROL
DIVERSITY_LNA_EN
0603
0603
8
0
6
1
0603
3
0
6
0
5
0
0
1
5
0
0
1
W2100
VDDA1 : Pin 3,4,6,10,22,53 = +2.7V VDC
GSM Quad
LOW
GSM850 RX
ANT_SEL0
ANT_SEL1
ANT_SEL2
GSM900 RX
DCS1800 RX
VDDA2 : Pin 1,7,8,21,25,27,37,43,54,60,61,62 = +2.1V VDC
ANT_SEL3
LOW
LOW
ANTENNA SWITCH MODULE LOGIC(SKY77544)
LOW
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
2mm
11dB
LOW
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(925-960 MHz)
LOW
LOW (X)
GSM(869-894 MHz)
LOW (X)
LOW (X)
EUSY0344001
W900(W850)
LOW (X)
HIGH
HIGH
7dB
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
+2.1V
GSM850(824-849MHz)
1%
HIGH
PCS1900 RX
W1700
GSM850/GSM900 TX
80
61
+2.7V
DCS1800/PCS1900 TX
HIGH
HIGH
HIGH
HIGH
GSM900(880-915MHz)
HIGH
HIGH
LOW
PCS(1850-1910 MHz)
DCS(1710-1785 MHz)
Band I
Band VIII
W2100
W900
AWS DIVERSITY
WCDMA
LNA for the GPS
W2100 RX(2110 - 2170 MHz)
WCDMA RX 2100 LNA Circuit
0603
0603
0603
0603
0603
0603
3
0
6
0
3
0
6
0
3
0
6
0
3
0
6
0
0603
0603
0603
Near To LNA
Near To RTR
Near to 12 Pin
Near to 12 Pin
Near to 4 Pin
Near to 10 Pin
Near to 1 Pin