Lcd Backlight Vr/Push Up/Push Down Header (Jvr_Btn1); Lcd Inverter Connector (Jbkl1) - Avalue Technology EBM-APL User Manual

EBM-APL User's Manual
2.3.7

LCD Backlight VR/Push Up/Push Down header (JVR_BTN1)

Note:
For Button down/up control (BLK_BRI_DN/ BLK_BRI_UP), Brightness Control in the BIOS
setting must set "BIOS".
2.3.8

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 JVR_BTN1. Please see the JVR_BTN1 section for detailed circuitry
information.
22 EBM-APL User's Manual
Signal PIN PIN
BLK_VR_MOD 1
BLK_BRI_UP 3
BLK_BRI_DN 5
Signal
+12V
GND
BKLEN
VBRIGHT
+5V
Signal
2 GND
4 GND
6 GND
PIN
1
2
3
4
5