Advantech ARK-2120, User Manual

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ARK-2120 User Manual 20
2.3.1.11 LCD Backlight On/Off control Connector (ARK-2120F only)
The ARK-2120 comes with a D-Sub 9-pin connector which provides BKLTEN signal
as well as +12 V, +5 V and Ground Pin signals that allow the user to connect these
signals to LCD Inverter to implement the LCD On/Off control.

Provides BKLTEN signal that inverter Module requires for inverter on/off control

Provides 12 V, 5 V as the Inverter Power Source. The additional VBR signal pin
could be connected to LCD’s Inverter that allows the user to achieve brightness
adjustment through customer’s software utility.
Figure 2.18 LCD Backlight connector
Table 2.10: LVDS Connector Pin Assignment
Pin Signal Name Pin Signal name
1 LVDS_CLKBP 14 LVDS_CLKBM
2 GND 15 LVDS_YAM0
3 LVDS_YAP0 16 LVDS_YAM1
4 LVDS_YAP1 17 LVDS_YAM2
5 LVDS_YAP2 18 LVDS_CLKAM
6 LVDS_CLKAP 19 GND
7 3.3V, 5V or 12V 20 3.3V, 5V or 12V
8 GND 21 LVDS_YAM3
9 LVDS_YAP3 22 LVDS_YBM0
10 LVDS_YBP0 23 LVDS_YBM1
11 LVDS_YBP1 24 LVDS_YBM2
12 LVDS_YBP2 25 LVDS_YBM3
13 LVDS_YBP3 26 GND
Table 2.11: LCD Backlight Connector Pin Assignment
Pin Signal name
1 +12 V
2 GND
3 BKLTEN
4 VBR
5 +5 V
6 LVDS_DCLK
7 LVDS_DDAT
8 Reserved
9 Reserved
1 5
9 6
3 2 4
7 8