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EBM-APL
User’s Manual
22 EBM-APL
User’s Manual
2.3.7 LCD Backlight VR/Push Up/Push Down header (JVR_BTN1)
Signal PIN PIN Signal
BLK_VR_MOD 1 2 GND
BLK_BRI_UP 3 4 GND
BLK_BRI_DN 5 6 GND
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)
Signal PIN
+12V 1
GND 2
BKLEN 3
VBRIGHT 4
+5V 5
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.