Avalue ECM-LX800 - Manual (Page 11)

Quick Installation Guide
ECM-LX800 Series Quick Installation Guide 11
2.3.6 LCD inverter connector (JBKL)
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 JVR. Please see the
JVR
section for detailed circuitry information.
2.3.6.1 Signal Description – LCD Inverter Connector (JBKL)
Signal Signal Description
VR Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
ENBKL LCD backlight ON/OFF control signal