Avalue EPI-QM77 - Manual (Page 16)

EPI-QM77
16 EPI-QM77 Quick Installation Guide
2.3.13 LCD Inverter Connector 1 (JBKL1)
Signal PIN
+5V 5
BRIGHT 4
BLK_ON 3
GND 2
+12V 1
2.3.13.1 Signal Description – LCD Inverter Connector (JBKL1)
Signal Signal Description
BRIGHT Vadj = 0.75V ~ 4.25V ( Recommended: 4.7KΩ, >1/16W)
BLK_ON LCD backlight ON/OFF control signal
2.3.14 LCD Backlight brightness adjustment (JVR1)
Signal PIN
GND 3
BRIGHT 2
+5V 1
JBKL1