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ECM-US15WP Quick Installation Guide
2.3.17
LCD Inverter Connector (JBKL1)
Note:
For inverters with adjustable Backlight function, it is possible to control the LCD
brightness through the VR signal controlled by JVR1. Please see the JVR1 section
for detailed circuitry information.
2.3.17.1 Signal Description – LCD Inverter Connector (JBKL1)
Signal
VR
BLK_ON
18 ECM-US15WP Quick Installation Guide
Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
LCD backlight ON/OFF control signal
Signal
+12V
GND
BLK_ON
BRIGHT
+5V
Signal Description
PIN
1
2
3
4
5
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