User manual

Table Of Contents
ARK-3399 User Manual 16
2.3.1.11 LVDS Connector
The ARK-3399 comes with a D-Sub 26-pin connector that carries LVDS signal out-
put, and can direct connect to LVDS LCD Display via external cable.
The system also provide a jumper of J2 on internal motherboard for selecting the
LCD signal power of 5V or 3.3V, please refer to the jumper table of J2, and “Full Dis-
assembly Procedure” to adjust it. Up. The default setting of J2 is 3.3V.
Figure 2.11 LVDS Connector
2.3.1.12 LCD Backlight On/Off control Connector
The ARK-3399 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 allow the user to achieve brightness
adjustment through customer’s software utility.
Figure 2.12 LCD Backlight connector
Table 2.11: 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 +3.3 or +5 V 20 +3.3 or +5 V
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
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