Lcd Inverter Connector (Jbkl1); Signal Description - Lcd Inverter Connector (Jbkl1) - Avalue Technology EEV-EX14A1.1 User Manual

2.3.22

LCD Inverter connector (JBKL1)

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).
2.3.22.1 Signal Description – LCD Inverter connector (JBKL1)
Signal
LVDS_BKLT_CTRL
BKLEN
when LVDS_BKLT_CTRL is controlled by carrier board's JVR1,
Vadj = 0.75V ~ 4.25V (Recommended: 4.7KΩ, >1/16W)
LCD backlight ON/OFF control signal
Signal
+12V_BKL
GND
BKLEN
LVDS_BKLT_CTRL/PWM
+5V
Signal Description
EEV-EX14 User's Manual 21
User's Manual
PIN
1
2
3
4
5