SMC Networks 486DX4 - Manual (Page 39)

AR-B1462 User¡ ¦s Guide
4-3
4.2.1 Inverter Board Description
The inverter board supplies high voltage signals to drive the LCD panel by converting the 12 volt signal from the
AR-B1462 into a high voltage AC signal for LCD panel. It can be installed freely on the space provided over the
VR board. If the VR board is installed on the bracket, you have to provide a place to install the inverter board into
your system.
4.2.2 LCD Connector
(1) DE/E Signal from M or LP Select (JP6)
1
2
3
1
2
3
DE/M E/LP
Factory Preset
Figure 4-4 JP6: DE/E Signal from M or LP
(2) DENAVEE & DVEE Signal Select (JP5)
1 2 3 1 2 3
DENAVEE DVEE
Factory Preset
Figure 4-5 JP5: DENAVEE & DVEE Signal Select
(3) LCD Control Connector (J10)
J10 is a 5-pin connector that attaches to the Contrast and Backlight board, Its pin assignment is shown below:
1 2 3 4 5
1 ENABLK
2 ENVEE
3 +12V
4 GND
5 VEE
Figure 4-6 J10: LCD Control Connector
(4) Touch Screen Connector (J2)
1 RXDD
2 TXDD
3 GNDD
Figure 4-7 J2: Touch Screen Connector
(5) LCD Voltage Selector (JP12)
JP12 is used to select the LCD voltages to be 3.3V or 5V.
Factory Preset
1
2
3
5V
5
4
6
1
2
3
3.3V
5
4
6