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AR-K0006 (AR-B9439A/9447) Manual
2.2 Receiving Connector for VGA,
keyboard & RS-232 (CN1)
This 25-pin D-type connector is used to receipt the signal of
VGA, keyboard & RS-232.
1 RXIN0-
2 RXIN0+
9 RXIN3-
6 RXIN2+
5 RXIN2-
7 RXCLK-
3 RXIN1-
8 RXCLK+
4 RXIN1+
10 RXIN3+
11 VRKBP
13 RXKBC
12 RXKBD
14 GROUND
24 RXTXD
18 RDENBLT
16 +5V
23 GROUND
20 GROUND
19 GROUND
15 GROUND
17 +5V
21 +12V
22 +12V
25 RXRXD
2.3 Backlight Board AR-B9416 Connector (J1)
J1 is the connector of inverter board.
5
1
2
3
4
1 BRIGHT
2 GROUND
3 VBLTP
4 GROUND
5 RDENBLT
2.4 Brightness Adjust Header (J2)
2.5 Touch Screen Control Board Voltage
Header (J3)
1 JP2-2
2 GROUND
2.6 Touch Screen Connector (J6)
3
2
1
3 GROUND
2 RXTXD
1 RXRXD
2.7 Keyboard Header (J4)
J4 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
2.8 Output Control LCD Supply Voltage
Header (J5)
1 VDD
2 GROUND
2.9 Touch Screen Voltage Select (JP2)
1
2
3
Factory Preset
12V
5V
1
2
3
2.10 LCD Supply Voltage Select (JP3)
1
2
3
Factory Preset
+5V
+3.3V
1
2
3
3. LCD PANEL DISPLAY
3.1 Introduction
The following shows the block diagram of using AR-B9439A &
AR-B9447 for LCD display.
AR-B9439A
Transfer Board
AR-B9447
Receiver Board
LCD
Panel
On-Board
VGA Card
Inverter
Board
VBL Control
+12V
VEE
FL HIGH
Voltage
2
1
1 BRIGHT
2 GROUND
