LG E475F Service Manual page 125

USIM1 Socket
VREG_USIM1_2.85V
J8001 HSSC-6P-27_N
R8000
1 4
C1 C5
15K
2 5
SIM1_RST C2 C6
3 6
SIM1_CLK C3 C7
7 10
GND1 GND4
8 9
GND2 GND3
C8000 VA8000
DNI
VA8002 C8011 VA8003 C8012 VA8004 C8004
0.1u
DNI DNI
VOLUME SIDEKEY
R8009 470
KEY_ROW[0]
R8011 470
KEY_COL[0]
R8012 470
KEY_ROW[1]
LGE Internal Use Only
USIM2 Socket
VREG_USIM2_2.85V_CONN
J8002
1 4
C1 C5
2 5
SIM2_RST_CONN C2 C6
3 6
SIM2_CLK_CONN C3 C7
SIM1_IO
7 10
GND1 GND4
8 9
GND2 GND3
VA8005 C8013 VA8006 C8014 VA8007 C8009
0.1u
DNI DNI
POWER KEY
SW8001
1
3
4
5
6
7
R8010
KPD_PWR_N
2
100 SW8003
1
3
4
VA8015
SW8002
5
1
6
3
7
4
2
5
6
7
2
USIM3 Socket
VREG_USIM3_2.85V
R8001
1
15K
2
SIM3_RST
3
SIM2_IO_CONN
SIM3_CLK
7
8
C8001
VA8001
DNI
VA8021 C8020 VA8022 C8021 VA8023 C8008
0.1u
DNI DNI
MICRO-SD
VREG_SDCARD_2.85V
VREG_MSME_1.8V
MMC_DATA[2]
MMC_DATA[3]
MMC_CMD
R8008
MMC_CLK
10
MMC_DATA[0]
MMC_DATA[1]
nMICROSD_DET
C8010
1u
- 125 -
Triple SIM : Assembly
Dual SIM : N.A.
VREG_MSME_1.8V VREG_MSME_1.8V
VBAT
C8026
1u
13
SIM_CONTROLLER_I2C_SCL
SCK
14
SIM_CONTROLLER_I2C_SDA SDA
J8003 HSSC-6P-27_N
9
SIMRST
4 SIM2_RST
C1 C5 10
SIMCLK U8001
5 SIM2_CLK
C2 C6 11
SIMI/O TXS02324
6 SIM2_IO
C3 C7 SIM3_IO
10
GND1 GND4 15
IRQ
9 SIM_CONTROLLER_IRQ
GND2 GND3 C8022 VA8024 16
RSTX
17
DNI R8022 DNU
SIM_CONTROLLER_RESET
1
Dual SIM
Triple SIM : N.A.
Dual SIM : Assembly
R8027
SIM2_CLK
DNI
R8024
SIM2_RST
DNI
R8026
SIM2_IO
DNI
VREG_USIM2_2.85V
R8025
DNI
CN8000
SW1
13
11
9
1
2
3
4
5
6
7
8
10
12
14
SW2
Copyright © 2013 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
C8023
VREG_USIM2_2.85V_CONN
1u
5
VISM1
6 C8024
SIM1RST
SIM2_RST_CONN
8 VREG_USIM3_2.85V
SIM1CLK
SIM2_CLK_CONN
7
SIM1I/O
SIM2_IO_CONN 1u
2
VSIM2
1
SIM2RST SIM3_RST
C8025
19
SIM2CLK
SIM3_CLK
20
SIM2I/O SIM3_IO
1u
SIM2_CLK_CONN
SIM2_RST_CONN
SIM2_IO_CONN
VREG_USIM2_2.85V_CONN
Only for training and service purposes