Avalue ECM-LX800W - Manual (Page 13)

Quick Installation Guide
ECM-LX800W Series Quick Installation Guide 13
2.3.9 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.
2.3.9.1 Signal Description
– LCD Inverter Connector (JBKL)
Signal Signal Description
VR Vadj = 0.75V ~ 4.25V (Recommended: 4.7K Ω, >1/16W)
ENBKL LCD backlight ON/OFF control signal