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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
33p
L1127
C1148
R1100
1.8n
DNI
R1101
R1102
DNI
100n
L1124
L1120
12n
C1145
2.7n
6.8n
C1146
C1149
100p
C1147
L1103
1.8n
U1102
SFMG2BAD001
GND4
8
VD
D
1
VCTR
L
7
RFIN
2
GND3
6
GND1
3
RFOUT
5
GND2
4
VREG_L14_2V75
4.7u
C111
0
CN1102
MBV62562001
FEED
MBV62562001
CN1103
FEED
C1111
10u
10u
C1113
L1104
3.9n
L1101
0.5p
DNI
L112
1
ANT1113
2108611-
5
FEED
ANT1112
2108611-
5
FEED
C1171
100p
22p
C1115
+VPA_BATT0
22p
C1116
+VPA_BATT0
10n
L1122
DNI
L1123
DNI
L1105
22p
C1117
C1118
22p
22
p
C1119
C1109
22p
C1114
10n
C1144
2.2p
100p
C1101
SKY77573-31
U1100
SKY77573-31
TRX1
24
GND3
3
VCC1
4
VCC2
5
GND4
6
GND17
25
GND1
1
GND11
13
GND14
17
GND13
16
GND12
14
GND9
11
GND8
10
GND6
8
RX
1
18
GND2
2
AN
T
15
SPDT_IN
19
SPDT_OU
T
21
RX
2
20
GND5
7
GND10
12
GND7
9
GND15
22
GND16
23
NC1
33
VBATT
32
GND20
31
TRX4
30
GND19
29
TRX3
28
GND18
27
TRX2
26
NC2
34
RF_I
N
36
SPD
T
35
SW
0
38
SW
1
37
HB_E
N
39
LB_E
N
40
MODE
0
41
MODE
1
42
PGND
43
FL1100
1842.50MHz/1960.00MHz
4
3
2
1
5
10
6
7
8
9
GSM1900_OUT
GND6
GND5
GSM1800_OUT
GND7
GND4
GSM1800/1900_IN
GND1
GND2
GND3
1.5n
C1102
C1104
DNI
C1112
100p
22
p
C1120
22
p
C1121
2.2n
C1100
L1118
2.2n
C1166
DNI
FL1105
IN
1
OUT
4
G1
2
G2
3
G3
5
L1126
1.5p
C1141
33p
R1103 820
C1143
6.8p
DNI
L1125
C1155
100p
C1176
33p
100p
C1173
MBV62562001
ANT1110
FEED
DNI
L1106
L1119
0
C1167
100p
L1147
DNI
MBV62562001
ANT1109
FEED
MBV62562001
ANT1108
FEED
DNI
C1160
100p
C1169
C1103
3.3n
ANT1114
2108611-
5
FEED
L1148
100n
TE_1_1H_C-CLI
P
ANT1115
FEED
L1102
3.3p
SW1101
4
3
2
1
ANT
COMMON
G3
G4
DNI
C1168
DNI
C1170
GND
GNSS_ELNA_EN
PA0_R_1
PA0_R_0
SPDT_SEL
ANT0_SW_SEL_0
ANT0_SW_SEL_1
ANT0_SW_SEL_2
ANT0_SW_SEL_3
WTR_TX1_OUT
WTR_GNSS_RF_IN_1
WTR_PRX_MB_3_IN
TX_MODULE_TRX_2
TX_MODULE_TRX_4
TX_MODULE_TRX_1
ANT_PATTERN
ANT_PATTERN
TX_MODULE_TRX_3
0917
for W7 CI (06/07)
TXM LOGIC(SPDT OFF)
G1800, G1900
B1
<Contact Pin>
H
TRX_MODULE_TRX1
-
TRX_MODULE_TRX4
H
H
-
H
-
H
H
-
H
H
L
RX1
RX2
H
L
L
L
L
Band
ANT0_SW_SEL0 ANT0_SW_SEL1 ANT0_SW_SEL2 ANT0_SW_SEL3
PA0_R0
PA0_R1
LB_HPM
LB_MPM
LB_ULPM
HB_HPM
HB_MPM
HB_LPM
HB_ULPM
TR1
TR2
WB1 TRX
TR4
L
L
H
L
L
L
L
H
L
L
L
H
L
L
H
L
L
H
L
L
H
LB_LPM
H
L
L
L
H
L
L
H
L
H
H
L
L
L
L
L
L
L
L
H
L
L
L
L
H
L
L
H
H
RX_G1900
RX_G1800
ANT1 (GSM Quad / WCDMA B1, B2, B4, B5, B8)
L
L
H
L
L
H
-
-
H
-
-
L
L
L
SKY77573-31 Pin map
ANT1_PAD
SPDT
ANT3 (GNSS)
EXT LNA + Filter
SW1
SW0
W7
HB_EN
LB_EN
Mode0
Mode1
Rev_0.3
Place matching components near WTR
-
H
H
L
L
H
H
-
L
-
0924 JANG K H
H
L
H
-
L
L
TRX_MODULE_TRX3
TRX_MODULE_TRX2
B8 / G900
DNI_131125 by JANG
B2
B5 / G850
< 1-1-1-1_ANT_WCDMA_DUAL_DRX >
B1/2/5/8
GSM Quad
for W7 CI (06/07)
SPDT_SEL
G850/900 TX
WB2 TRX
G1800/1900 TX
G1800/1900 TX
G1800/1900 TX
G1800/1900 TX
G850/900 TX
G850/900 TX
G850/900 Tx
WB5 TRX/G850 RX
TR3
W8 TRX/G900 RX
G1900 RX
G1800 RX
6. CIRCUIT DIAGRAM