IEI Integration DM_Series v1.14 - Manual (Page 113)

DM Series Industrial Monitor
Page
113
Figure 4-30: External OSD and LED Indication Connector Location
4.4.10 Backlight Inverter Connector
CN Label: CN2
CN Type: 6-pin wafer connector
CN Pinouts: See Table 4-36
CN Location: See Figure 4-31
The Inverter connector connects to the LCD backlight. Using the BKLT_EN signal to
control the inverter status (ON/OFF) and the BKLT_ADJ signal to adjust brightness of
inverter by OSD brightness function. The OSD brightness function can control a PWM
input and variable DC voltage to minimize flickering (due to the interference between
panel timing and inverter’s AC timing), and adjust LCD back light brightness.
PIN DESCRIPTION
1 +12V
2 +12V
3 BKLT_EN
4 BKLT_ADJ
5 GND
6 GND
Table 4-36: Backlight Inverter Connector Pinouts