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3.5" Mainboard Manual
LCD Backlight Inverter
This connector is for connecting to LCD for providing backlight control function.
LCD Backlight Power Select Header (J7) *
This header is for selecting LCD backlight power.
18
Pin
Assignment
1
5V/12V DC (by J7)
1
2
5V/12V DC (by J7)
3
NC
4
NC
8
5
Backlight On
6
Brightness Adjust (by JP2)
7
GND
8
GND
1
Pin 1-2 Close:
3
Backlight Power=5V
Pin 2-3 Close:
Backlight Power=12V
1
3
1
3
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