Smc-networks 486DX4 Manual de usuario descargar pdf (Pagina 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)

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

3.3V

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 80 81

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Smc-networks 486DX4 Manual de usuario Pagina 39