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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
6. CIRCUIT DIAGRAM
0.5p
C1104
1
2
C1112
47p
1
2
R111
0
2
1
0
R1115
2
1
DNI
C1160
1
2
C1157
100p
1
2
DNI
L1154
2
1
L1103
1.5n
2
1
FEED
MBV62562001
ANT1108
1
FEED
ANT1109
MBV62562001
1
FEED
MBV62562001
ANT1110
1
C1114
10u
1
2
C1116
22p
1
2
22p
C1115
1
2
22p
C1110
1
2
C1109
22p
1
2
L1108
82n
2
1
C1122 100p
1
2
100p
C1113
1
2
DNI
L1102
2
1
L1111
DNI
2
1
12n
L1113
2
1
39n
L1110
2
1
2.2n
L1107
2
1
DNI
C1106
1
2
C1107
DNI
1
2
C1105
22p
1
2
GSM850/900_Bal2
GSM850/900_Bal1
GSM1800/1900_Bal2
GSM1800/1900_Bal1
GND4
GND3
GSM850/900_UnB
GND1
GND2
GSM1800/1900_UnB
FL1100
4
3
2
1
5
10
6
7
8
9
L1109
12n
2
1
GND2
GND5
GND11
TRX1
ANT
TRX2
GND10
TRX3
VRAMP
PGND3
PGND2
PGND1
TRX4
TRX5
TRX6
PGND6
PGND5
PGND4
PGND7 PGND8 PGND9
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
GND1
GND12
GND3
GND4
GND6
GND7
GND8
TX_HB_IN
TXEN
TX_LB_IN BS2 BS1 VBATT VCC
GND9
MODE
U1100
SKY77589
16
15
14
13
12
11
10
17
9
8
7
6
4
3
28
1
44
43
42
41
40
39
38
37
36
35
32
33
34
24 23
22
29
30
31
18
21
25
20
26
19
27
5
2
R1102
1K
2
1
R1101
1K
2
1
+2V8_MTK_VTCXO
VBAT
L1106
DNI
2
1
1K
R1104
2
1
R1105
1K
2
1
33p
C1117
1
2
L1116
DNI
2
1
L1117
DNI
2
1
33p
C1111
L1114
DNI
DNI
L1115
C1100
100p
1
2
C1108
220p
1
2
L1118
DNI
2
1
R1103
24K
2
1
R1100
10K
2
1
DNI
C1170
1
2
ANT
COMMON
G3
G4
ENWY0008701
SW1101
4
3
2
1
FEED
EAG63613001
ANT1112
1
FEED
ANT1111
EAG63613001
1
FEED
MBV62562001
ANT1114
1
FEED
ANT1115
MBV62562001
1
FEED
MBV62562001
ANT1113
1
SC1109
1
SC1107
1
L1100
2.2n
2
1
2.2n
L1112
2
1
+1V8_MTK_VIO
10K
R1111
2
1
R1113
3.3M
2
1
100p
C1121
1
2
R1114
10K
2
1
C1120
100p
1
2
SC1106
1
SC1108
1
SC1105
1
SC1104
1
SC1103
1
SC1102
1
SC1101
1
GSM_PA_RAMP
TX_MODULE_TRX3
TX_MODULE_TRX2
TX_MODULE_TRX1
TX_MODULE_TRX4
GSM_PA_EN
ANT0_SW_SEL_0
ANT0_SW_SEL_1
2G_RX_HB_N
2G_RX_LB_P
2G_RX_HB_P
2G_RX_LB_N
2G_TX_HB
2G_TX_LB
ANT_SPDT_CTL
ANT0_SW_SEL_2
RADIATION_PWR_ANT
B2
B1
B8
B5
TRX6
Stanby
LB_TX
HB_TX
TRX1
TRX2
TRX3
TRX4
TRX5
ANT-RF2
0603 for layout
ANT-RF1
PATH
< 1-4-1-3_ANT_WCDMA_Quad>
BAND
1
0
CTRL
ANT1_PAD
SPDT [RF1141A]
ANT1 ( B1,B2,B5,B8,GSM Quad)
BS2
BS1
Mode
TXEN
1
0
1
0
0
0
0
0
0
2mm
0
1
0
Rev_0.3
1
GSM_PA_EN
0
ANT_SEL2 ANT_SEL1 ANT_SEL0
1
1
0
0
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
Stanby
( DGMS Guide )
MC-C00002-14 : ESD Protection Circuit
B1
B8
B5
B2
G_LB_Rx
G_HB_Rx
G_LB_TX
G_HB_TX
GSM TX_IN
GSM LB Rx
GSM HB Rx
(TOP side)
M/S off : HIGH(1.46V)
M/S : LOW(0.046V)
M/S Detection Circuit
Ref. #
ANT1110
ANT1109
ANT1108
Signal
GND
GND
NC
GND
Signal
Default
(C1171=NC,
Option
C1170=100pF)
Frame Contact C-Clip
TOP SHIELD CAN CLIP
C1101
2
1
1.2N
R1002
2
1
DNI
R1001
2
1
0
DNI
1
2
R1003
R1004
2
1
DNI
DNI
1
2
R1005
1. D337
2. D335
3. D332
4. D331
5. D331TR
C1166
1
2
DNI
C1168
1
2
1p
C1169
1
2
DNI
C1161
2
1
1n
L1151
1
2
DNI
L1101
2
1
4.7n
R1112
2
1
750K
FL1101
9
8
4
6
7
5
3
1
2
GND1
RF1
CTL
VDD
RF2
GND2
EN
RFC
GND3
RF1141A
DNI
L1153
1
2
DNI
L1152
DNI
2
1
C1172
1
2
DNI
C1102
2
1
3n
C1103
1
2
1.2p
L1104
2
1
2.2n
C1167
1
2
10p
C1171
1
2
10p
Model Indicator