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AR-K0006 (AR-B9439A/9447) Manual
1.4 Transmitting Connector for VGA,
keyboard & RS-232 (CN4)
This 25-pin D-type connector is used to transmit the signal of
VGA, keyboard & RS-232.
15 GROUND
21 +12V
20 GROUND
19 GROUND
18 ENABLK
14 GROUND
25 TXRXD
24 TXTXD
23 GROUND
22 +12V
17 +5V
16 +5V
1 TXOUT0-
6
5 TXOUT2-
4
3 TXOUT1-
2
11 VTKBP
10
9 TXOUT3-
7 TXCLK-
8 TXCLK+
13 TXKBC
12 TXKBD
1.5 Output Connector for,
Keyboard & RS-232 (CN2)
1
2
Pin Signal Pin Signal
1 Vcc 2 Vcc
3 TXKBC 4 TXKBO
5 GND 6 GND
7 TXRXD 8 TXTXD
9 +12V 10 +12V
1.6 Power Supply Connector (J2)
+12V
VCC
GROUND
GROUND
1.7 Keyboard Header (J1)
J1 is the keyboard signal transfer to CPU card or back plane
keyboard 5-pin header
1 TXKBC
5 VCC
4 GROUND
2 TXKBD
3 Not Used
1.8 RS-232 Header (J3)
J3 is the header that connects to the 9-PIN serial port of the
CPU card for the touch screen.
1 TXRXD
2 TXTXD
3 GROUND
1.9 LCD Supply Voltage Select (JP1)
1
2
3
+5V
Factory Preset
+3.3V
6
4
5
1
2
3
6
4
5
J5
2. AR-B9447 SYSTEM SETTING
2.1 LVDS LCD Connector (CN2)
Attach a display panel connector to this 20-pin connector with
pin assignments as shown below:
For LVDS LCD interface
1
2
Pin Signal Pin Signal
1 VDD 2 VDD
3 GND 4 GND
5 RXIN0- 6 RXIN0+
7 GND 8
RXIN1-
9 RXIN1+ 10 GND
11 RXIN2- 12 RXIN2+
13 GND 14
RXCLK-
15 RXCLK+ 16 GND
17
－
18
－
19 GND 20 GND
