Selection (Jp3); Lvds Port 1 Operating Vdd Selection (Jp4) - Aaeon PCM-QM77 Manual

C o m p a c t B o a r d
JP2
1-2
2-3
2.10 LVDS Port 2 Backlight Lightness Control Mode Selection
(JP3)
VR Mode
JP3
1-2
2-3
Note: 1. When we use LVDS Port2 normal backlight type in PWM mode, the
backlight level only supports 30%~100%.
2. When we use LVDS Port2 inverted backlight type in PWM mode, the
backlight level only supports 0%~70%.

2.11 LVDS Port 1 Operating VDD Selection (JP4)

+3.3V (Default)
JP4
2-4
4-6
Function
VR Mode
PWM Mode (Default)
1 2 3
Function
VR Mode
PWM Mode (Default)
1 2
3 4
5 6
Function
+3.3V (Default)
+5V
P C M - Q M 7 7
1 2 3
PWM Mode (Default)
1 2
3 4
5 6
+5V
Chapter 2 Quick Installation Guide
2-13