Owner manual

Quick Installation Guide
EEV-EX14 Quick Installation Guide 21
2.3.21 LCD Inverter connector (JBKL1)
Signal
PIN
+12V_BKL
1
GND
2
BKLEN
3
LVDS_BKLT_CTRL/PWM
4
+5V
5
Note:
For inverter with brightness control function through LVDS_BKLT_CTRL/PWM signal (Pin-4) , it
is possible to control the brightness level by carrier board's JVR1 pin2. In this case, R179 would
be removed to disconnect the PWM control signal from COMExpress module (CN1A Pin-B84).
2.3.21.1 Signal Description – LCD Inverter connector (JBKL1)
Signal
Signal Description
LVDS_BKLT_CTRL
when LVDS_BKLT_CTRL is controlled by carrier board's JVR1,
Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
BKLEN
LCD backlight ON/OFF control signal