JP1 (4-pin): LCD Panel VCC Select
JP2 (3-pin): LCD Inverter Backlight VCC Select
JP1 → LCD VCC Select
JP1
JP2 → INVERTER Backlight VCC
1-2 Closed: Inverter backlight VCC= 12V;
JP2
2-3 Closed: Inverter backlight VCC=19V.
12
5
3
1
5
6
4
2
6
2-4 Closed:
3-4 Closed:
VCC=3.3V;
VC C=5V;
5
3
1
3
1
4
2
6
4
2
4-6 Closed:
VCC=12V.
1
3
1
3