Instruction Manual

ECM-QB Quick Installation Guide
ECM-QB Quick Installation Guide 13
2.3.7 LCD Inverter Connector (CN3)
Signal
PIN
+12V
1
GND
2
BLKTEN_OVL
3
BRIGHT
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.
2.3.7.1 Signal Description – LCD Inverter Connector (CN3)
Signal
Signal Description
BRIGHT
Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
BLKTEN_OVL
LCD backlight ON/OFF control signal