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