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SIM_1_RST
SIM_1_CLK
VA228
C279
DNI
Close to IC (10/12)
R278
R279
R280
SIM_CLK
SIM_RST
SIM_DATA
SIM2_CLK
SIM2_RST
Close to IC (10/12)
SIM2_DATA
R281
0
R282
0
R283
0
I2C_SCL2
I2C_SDA2
In case of dual SIM
R278, R279, R280, R281, R282, R283, R284, R285 : Install
U202, C237, C238, C239, C257, C258, C259, C260 : DNI
In case of quad SIM
R278, R279, R280, R281, R282, R283, R284, R285 : DNI
U202, C237, C238, C239, C257, C258, C259, C260 : Install
LGE Internal Use Only
VSIM_1
TP1
C280
VA229
C276
DNI
1u
VIO_1V8
C239
2.2u
U202
RST_N
SIM2 (SW)
0
SIM_1_CLK
0
SIM_1_RST
0
SIM_1_DATA
SIMCLK1/GPI13
15
SIMRST1/GPI14
14
SIMIO1/GPI15
13
SIMCLK2/GPI16
16
U202
SIMRST2/GPI17
SIM1 (SW)
17
SIMIO2/GPI18
18
SIM_4_CLK
SIM_4_RST
CE0
20
SIM_4_DATA
SCL
21
SDA
22
SIM2 (SW must be careful)
J201
J201
1
4
C1
C5
2
5
C2
C6
3
6
C3
C7
7
10
GND1 GND4
8
9
GND2 GND3
TP2
Added for Dual SIM (10/12)
VBAT
VSIM_1
VSIM1
VSIM_2
VSIM_3
2
2
C238
C237
1u
2.2u
1
1
2
2
1
1
VSIM1
5
SCLK1/GPIO1
6
SRST1/GPIO2
7
SIO1/GPIO3
8
VSIM2
3
SCLK2/GPIO4
2
SRST2/GPIO5
1
SIO2/GPIO6
28
VSIM3
27
SCLK3/GPIO7
24
SRST3/GPIO8
25
SIO3/GPIO9
26
VSIM4
9
SCLK4/GPIO10
10
SRST4/GPIO11
11
SIO4/GPIO12
12
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Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
R267
DNI
SIM_1_DATA
VA233
2
C277
DNI
1
Changed for Dual SIM (11/9)
VSIM_4
VSIM2
SIM_1_CLK
SIM2 (SW)
SIM_1_RST
SIM_1_DATA
SIM_2_CLK
SIM3 (SW)
SIM_2_RST
SIM_2_DATA
SIM_3_CLK
SIM4 (SW)
SIM_3_RST
SIM_3_DATA
Added for Quad SIM (10/12)
SIM_4_CLK
SIM1 (SW)
SIM_4_RST
SIM_4_DATA
Only for training and service purposes
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