LG -E400f Service Manual page 139

USIM Socket
VREG_USIM1_2.85V
VA815
J800
C1 C5
VCC GND1
C2 C6
SIM1_RST RST VPP
C3 C7
CLK IO
SIM1_CLK
C9 C12
GND2 GND5
C10 C11
GND3 GND4
VA812 VA813 C804
C801 C802 C803
22p 22p 0.1u
33p
VOLUME SIDEKEY
R809 470
KEY_ROW[0]
R811 470
KEY_ROW[1]
R812 470
KEY_COL[0]
LGE Internal Use Only
SIM1_IO
C800 VA814
DNI
3
2
1
CN802
MMC_DATA[2]
MMC_DATA[3]
MMC_CMD
MMC_CLK
MMC_DATA[0]
MMC_DATA[1]
HOME KEY
KB800
R813
470
KEY_ROW[2]
R814
470
KEY_COL[1]
VA810 VA811
- 139 -
7. CIRCUIT DIAGRAM
MICRO-SD
VREG_SDCARD_2.85V
CN800
SW1
13
11
9
1
VREG_MSME_1.8V
2
3
4
R808 5
6
10
7
8
10
12
14
SW2
C805
1u
POWER KEY
KPD_PWR_N
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
nMICROSD_DET
R810 2
1
100
CN801