Advantech AIMB-250 Computer Hardware User Manual


 
AIMB-250 Series
48 AIMB-250 Series User’s Manual
2.4.17 LCD Inverter Connector (JBKL1)
Signal PIN
+12V 1
GND 2
ENBKL 3
VR 4
+5V 5
Note:
For inverters with adjustable Backlight function, it is possible to control the
LCD brightness through the VR signal controlled by JMISC. Please see the
JMISC section for detailed circuitry information.
2.4.17.1 Signal Description – LCD Inverter Connector (JBKL1)
Signal Signal Description
VR Vadj = 0.75V ~ 4.25V (Recommended: 4.7K, >1/16W)
ENBKL LCD backlight ON/OFF control signal