Avalue EEV-EX20 - Manual (Page 26)

EEV-EX20
26 EEV-EX20 Quick Installation Guide
2.3.24 (Carrier board Codec) LCD Inverter Connector (JBKL1)
JBKL1
Signal PIN
+5V (max. 2A) 5
BRIGHT 4
BLK_ON 3
GND 2
+12V (max. 2A) 1
2.3.24.1 Signal Description – LCD Inverter Connector (JBKL1/ JBKL3)
Signal Signal Description
BRIGHT
Wire from JFP1 Pin 23, If there is a Variable Resistor (Recommended :4.7Kohm,
>1/16W) connect on JFP1 Pin21,23,25, the voltage adjust range is 0.75V ~ 4.25V.
BLK_ON LCD backlight ON/OFF control signal
2.3.25 Inverter +12V Connector (JBKL2)
JBKL2
Signal PIN
GND 2
+12V 1
JBKL1 JBKL3
JBKL2
JBKL1 JBKL3
JBKL2