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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
C1109
C1167
1p
C1168
1.2n
DNI
L1110
DNI
C1114
ANT1100
EAG63652301
FEED
ANT1101
EAG63652301
FEED
CN1105
EAG63652301
FEED
CN1100
EAG63652301
FEED
100p
C1110
DNI
L1131
C1177
2.2u
100p
R1104
0
C1176
L1107
DNI
DNI
C1106
L1143
DNI
DNI
C1172
C1169 100p
DNI
C1170
L1125
22n
L1126
22n
C1108
12n
C1112
1n
C1152
1p
FL1106
EAM62633001
5
3
2
4
1
IN
OUT
G1 G2 G3
B9414
100p
C1111
100p
C1123
C1124
100p
DNI
L1128
942.5MHz
FL1101
5 3 2
4
1
IN
OUT
G1
G2
G3
L1100
15n
2.2n
C1101
C112
5
100p
C1115
100p
1.8n
C1175
C1150
100p
DNI
L1129
L1132
5.6n
3.3p
C1174
L1106 2.7n
C1100
100p
C1171 100p
33p
C1173
82n
L114
2
+VPWR
+VPWR
4.7n
C1105
C1119
100p
100p
C1120
C1121
100p
C1122
100p
C1117
10n
C1103 2.2n
0.5p
L1101
L1109
DNI
C1116
4.7u
1.8n
C1104
L1108
0.5p
5.6n
L1133
L1105 1.8n
SW1100
4
3
ANT
1
COMMON
2
G3
G4
FL1107
EAN62826801
SFMG2BAD001
4
5
3
6
2
7
1
8
GND4
VD
D
VCTR
L
RFIN
GND3
GND1
RFOUT
GND2
DNI
C1178
DNI
R1105
DNI
R1106
1842.50MHz/1960.00MHz
EAM62792801
SFRG42DB002
FL1100
4
3
2
1
5
10
6
7
8
9
GSM1900_OUT
GND6
GND5
GSM1800_OUT
GND7
GND4
GSM1800/1900_IN
GND1
GND2
GND3
100p
C1148
C1149
100p
+2V85_VREG_L19
L114
1
6.8n
4.7u
C1113
U1100
HRPF89165B
43
42
41
40
39
37
38
35
36
34
26
27
28
29
30
31
32
33
23
22
9
12
7
20
21
19
15
2
18
8
10
11
14
16
17
13
1
25
6
5
4
3
24
TRX1
GND3
VCC1
VCC2
GND4
GND17
GND1
GND11
GND14
GND13
GND12
GND9
GND8
GND6
RX
1
GND2
AN
T
NC1
NC2
RX
2
GND5
GND10
GND7
GND15
GND16
GND21
VBATT
GND20
TRX4
GND19
TRX3
GND18
TRX2
GND22
RF_I
N
SPD
T
SW
0
SW
1
HB_E
N
LB_E
N
MODE
0
MODE
1
PGND
SPDT_SEL
TX_MODULE_TRX_1
GNSS_ELNA_EN
ANT0_SW_SEL_3
ANT0_SW_SEL_2
TX_MODULE_TRX_2
WTR_GNSS_RF_IN_1
TX_MODULE_TRX_4
ANT0_SW_SEL_1
PA0_R_0
PA0_R_1
WTR_PRX_LB2_IN
WTR_PRX_MB3_IN
ANT0_SW_SEL_0
WTR_TX1_OUT
B8_RX_IN
* B2 / B8 TRX(G900Rx)
For D370, D380 : B8 TRX & G900 RX
G1800_RX
G1900_RX
B5_TRX
G900_RX
B1_TRX
B2_TRX
GSM_HB
GSM_LB
GND CONTACT
* B8(G900) RX : B8 OPTION
* B8(G900) RX : B8 OPTION
* G900 RX
* B1 TRX
* B5 TRX (G850RX)
* DNI : B8 option
L
G900
* G1800, G1900 RX
TXM LOGIC(SPDT OFF)
L
L
-
H
L
H
-
L
-
H
H
L
L
H
H
-
L
L
L
-
-
H
-
-
H
L
L
H
L
L
H
H
L
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
H
H
L
H
L
L
H
L
L
L
H
LB_LPM
H
L
H
L
L
H
L
L
H
L
L
L
H
L
L
L
L
H
L
L
TRX4
TRX3
TRX2
TRX1
HB_ULPM
HB_LPM
HB_MPM
HB_HPM
RX_G1900
RX_G1800
ANT1 (GSM Quad / WCDMA B1, B2, B5, B8)
LB_ULPM
LB_MPM
LB_HPM
PA0_R1
PA0_R0
ANT0_SW_SEL3
ANT0_SW_SEL2
ANT0_SW_SEL1
ANT0_SW_SEL0
SPDT_SEL
L
L
L
L
ANT3 (GNSS)
Rev_0.6
Place matching components near WTR
H
RX2
RX1
L
H
H
-
H
H
-
H
-
H
H
-
H
( DGMS Guide )
< 1-1-1-1_ANT_GSM_WCDMA >
MC-C00002-14 : ESD Protection Circuit
if your TxM GSM PA gain is not much greater than SKY77573 GSM PA gain. Can remove
LNA+Post Filter
6. CIRCUIT DIAGRAM