Avalue EPI-QM77 - Manual (Page 29)

User ’s Manual
EPI-QM77 User ’s Manual 29
2.4.13 LCD Inverter Connector 1 (JBKL1)
Signal PIN
+5V 5
BRIGHT 4
BLK_ON 3
GND 2
+12V 1
2.4.13.1 Signal Description – LCD Inverter Connector (JBKL1)
Signal Signal Description
BRIGHT Vadj = 0.75V ~ 4.25V (Recommended: 4 .7KΩ, >1/16W)
BLK_ON LCD backlight ON/OFF control signal
2.4.14 LCD Backlight brightness adjustment (JVR1)
Signal PIN
GND 3
BRIGHT 2
+5V 1
JBKL1