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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
L1153
1.5n
C1104
5.6n
R1124
0
93
11
C
u7.
4
C1117
5.6p
C1163
3.9p
FL1102
897.5 MHz,942.5 MHz
9
5
8
4
7
2
3
6
1
RX1
ANT
TX
GND1
GND4
GND2
RX2
GND3
GND6
C1105
DNI
C1118
5.6p
VREG_SMPS_2.1V
L1107
1.5n
L1104
15n
C1171
3p
C1127
3.3p
C1137
2.7p
L1152
22n
C1166
10u
0
R1117
C1106
39n
L1154
100p
FB1101
600
L1127
4.7n
3.3n
L1131
L1112
2.2n
ANT1101
C1168
1.5n
ANT1102
850,1900,2100MHz
FL1100
6
5
4
3
7
11
9
22
21
20
13
24
12
23
10
15
8
14
1
17
16
2
19
18
PCS_RX1
PCS_RX2
ANT
PCN_RX1
PCN_RX2
GND1
EGSM_RX1
GND2
EGSM_RX2
GND3
GND4
GSM850_RX1
GND5
GSM850_RX2
WCDMA_2100
WCDMA_850
WCDMA_1900
PCN_PCS_TX
GSM850_EGSM_TX
D
D
V
1L
RT
C
2L
RT
C
3L
RT
C
4L
RT
C
L1118
15n
VREG_RF_2.7V
U1103
3
2
5
4
1
NI
_F
R
FIL_OUT
VDD
S_D
GND
C1154
39p
C1188
0.1u
L1109
12n
C1153
DNI
100p
L1108
C1167
3p
1575.42 MHz
FL1106
5
2
4
1
3
G3
IN
OUT
G1 G2
C1185
33p
4.7n
C1186
L1128
DNI
30
R1107
100n
L1101
08
1
90
11
R
1K
R1104
R1105
1K
1K
R1106
DNI
C1150
C1149
DNI
31
11
R
02
1
80
11
R
08
1
L1102
12n
C1123
3.3p
41
11
R
0
5.6
R1100
ZD1100
1.5p
C1109
R1123
1K
C1193
6.8p
C1176
1.5p
C1191
DNI
33p
C1172
2.7n
R1118
L1105
15n
C1129
33p
C1128
0.1u
5.6
R1101
6.8n
L1151
43
11
C
u1.
0
u0
1
24
11
C
VBAT
C1132
10u
100p
C1156
51
R1111
C1131
33p
C1116
33p
C1133
8.2p
04
11
C
u1.
0
u1.
0
02
11
C
U1101
23
22
24
21
25
20
26
19
27
18
28
17
9
8
10
7
11
6
12
5
13
4
14
3
15
2
16
1
DCS_PCS_IN
DCS_PCS_OUT
BS
GND6
TX_EN
GND5
VBATT
VCC_OUT
VAPC
GND4
NC
GND3
GND1
GND2
GSM_IN
GSM_OUT
PGND1
PGND12
PGND2
PGND11
PGND3
PGND10
PGND4
PGND9
PGND5
PGND8
PGND6
PGND7
12K
R1102
K1
61
11
R
L1106
18n
C1111
5.6n
R1103
1K
U1100
32
92
82
53
43
96
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
100p
C1108
VREG_RF_2.7V
u1.
0
52
11
C
L1125
7.5n
1n
C1114
C1130
2.7p
FL1104
1950MHz, 2140MHz
9
5
8
4
7
2
3
6
1
RX
ANT
TX
GND1
GND4
GND2
GND5
GND3
GND6
68p
C1107
00
11
WS
4
2
1
3
1
G
A
C
2
G
C1113
33p
VREG_MSMP_2.6V
85
11
C
u1.
0
C1115
68p
I
N
D
51
11
R
83
11
C
u1.
0
u0
1
53
11
C
42
11
C
n1
u1.
0
54
11
C
64
11
C
u1.
0
3.9n
L1103
14
11
C
u7.
4
u1.
0
44
11
C
34
11
C
u1.
0
22p
C1155
p0
01
95
11
C
0.1u
C1157
84
11
C
u1.
0
02
1
21
11
R
L1129
3.3n
C1182
12n
C1170
DNI
L1116
DNI
33p
C1103
3.9p
C1160
1.2n
L1115
DNI
C1194
DNI
C1161
VREG_RF_2.7V
C1169
3.9p
ANT1103
DNI
C1192
VREG_SMPS_2.1V
L1122
3.9n
33p
C1162
R1120
12
FL1103
897.5MHz
5 3 2
4
1
IN
OUT
G1
G2
G3
18p
C1187
2140MHz
FL1101
5
2
4
3
1
IN
OUT
_OUT
G1 G3
10n
C1110
ANT1104
L1110
2n
22
11
C
u1.
0
12
11
R
00
1
00
1
22
11
R
68
R1119
C1184
100p
C1112
10n
u1.
0
12
11
C
u1.
0
74
11
C
C1180
3.3p
12n
L1114
1p
L1123
1.5n
L1120
L1113
DNI
DNI
C1174
22n
L1119
100p
C1173
u1.
0
91
11
C
L1111
1.2n
C1152
5.6p
C1190
33p
1.5n
L1130
33p
C1189
C1136
4.7u
U1102
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
FB1100
600
L1117
2.2n
VBAT
p0
01
77
11
C
87
11
C
p0
01
p0
01
97
11
C
330p
C1165
C1164
0.001uF
FL1105
1950MHz
5 3 2
4
1
IN
OUT
G1
G2
G3
L1121
0
2.2n
L1124
C1183
0.5p
DNI
C1175
100p
C1195
L1126
DNI
33p
C1181
R1110
2.2K
C1126
4.7u
ANT_SEL1
ANT_SEL2
ANT_SEL0
ANT_SEL3
TCXO_RTR_19.2MHZ
GSM_PA_RAMP
TX_ON
PA_ON1
PA_ON0
PA_R0
GPS_IN
GPS_IN
DCS_PCS_TX
DCS_PCS_TX
GSM_TX
GSM_TX
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
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_850_900_P
RX_WCDMA_850_900_P
RX_WCDMA_850_900_M
RX_WCDMA_850_900_M
GSM_PA_EN
GSM_PA_BAND
RX_WCDMA_1900
RX_WCDMA_1900
WCDMA_1900_2100_RTX
WCDMA_1900_2100_RTX
WCDMA_1900_2100_TX_OUT
WCDMA_1900_2100_TX_OUT
M
NI
_
XI
M_
00
12/
00
91
B
W
WB1900/2100_MIX_INM
P
NI
_
XI
M_
00
12/
00
91
B
W
WB1900/2100_MIX_INP
WCDMA_850_900_RTX
WCDMA_850_900_RTX
WCDMA_850_900_TX_OUT
WCDMA_850_900_TX_OUT
RX_WCDMA_1900_2100_LNA_OUT
RX_WCDMA_1900_2100_LNA_OUT
VSNS_RF_SMPS
+2.1V
0603
Band 8
ANT_SEL0
ANT_SEL1
ANT_SEL2
ANT_SEL3
GSM850/EGSM TX
DCS/PCS TX
GSM850 RX
EGSM RX
DCS1800 RX
PCS1900 RX
BAND5/8 (PIN22)
BAND1/2 (PIN20)
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
0603
HIGH
HIGH
HIGH
HIGH
Antenna Switch Module Logic (D5017)
0603
W1900 : R1126->DNI, R1125->0ohm
W2100 : R1126->0ohm, R1125->DNI
80
61
0603
80
61
W2100 : C1213->33pF, C1214->DNI
W1900 : C1213->DNI, C1214->33pF
0603
0603
Near LNA
0603
W1900 RX(1930 - 1990 MHz)
30
60
VDDA1 : Pin 3,4,6,10,22,53 = +2.7V VDC
GSM Quad
VDDA2 : Pin 1,7,8,21,25,27,37,43,54,60,61,62 = +2.1V VDC
2mm
8dB
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(925-960 MHz)
about 9.5 dB
W2100
GSM(869-894 MHz)
Near to 4 PinNear to 12 Pin
Near to 12 Pin
5dB
W900
+2.1V
1%
1608
+2.7V
Band I
WCDMA Dual
LNA for the GPS
W2100 RX(2110 - 2170 MHz)
WCDMA RX 1900/ 2100 LNA Circuit
0603
0603
0603
0603
0603
30
60
0603
30
60
0603
0603
0603
Near RTR
7. CIRCUIT DIAGRAM