Only For Training And Service Purposes - LG KC780 Service Manual

3. TECHNICAL BRIEF
Table 8 Micro SD memory card detect truth table.
TF_DETECT
MMC_D(2)
MMC_D(3)
MMC_CMD
MMC_CLK
MMC_D(0)
MMC_D(1)
R414
MMC_DETECT
VIO_2V62
LGE Internal Use Only
Figure 31 Micro SD memory card detection scheme
it is removed
VMMC
47
R415
100K
C406 C407
1000p 1uF
Figure 30 Micro SD socket circuit with power control
Micro SD card status
High
VSIM_2V8
1
1
2
2
3
3
4 16
4 GND1
S401
5 15
5 GND2
6 14
6 GND3
7 13
7 GND4
8 12
8 GND5
11
GND6
9
SWB
10
SWA
C408
DNI
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it is inserted
Low
SIM_RST
SIM_CLK
C401
C402 C403 C404
DNI
1u 27p DNI

Only for training and service purposes

SIM_IO