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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.1.9 Slider ON/OFF Detection
There is a magnet to detect the slide module status, up or down.
If a magnet is close to the hall-effect switch(U502), the voltage at Pin 4 of U502 goes to 0V.
Otherwise 1.8V.
This APP_GP03_FILPSENSE signal is delivered to DB3150 APP_GP03.
HALL EFFECT SWITCH
VDDC_2V65
TK60012BM5
U502
GND1
2
GND2
5
IO_VDD
6
NC
3
4
OUT
VDD
1
C525
0.1u
VDDE_1V8
0.1u
C526
APP_GP03_FLIPSENSE
Figure 3-1-10. Slider On/Off Detector
Z3X-BOX.COM
Содержание KT520
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