1-14 420 Series
1.8 TFT Color LCD (420CDT)
The TFT Color Liquid Crystal Display (LCD) contains an LCD module, a Fluorescent Lamp
(FL), and an FL inverter board.
1.8.1 LCD Module
The TFT color LCD is backlit and supports 800x600 pixels with built-in display controller.
This controller includes the functions of VGA and SVGA for external display.
A display controller is F65550. This controller enables an LCD display of a maximum 16M
colors.
The TFT LCD is shown in Figure 1-9.
Figure 1-9 TFT color LCD
The specifications for the LCD are listed in Table 1-6.
Table 1-6 TFT color LCD specifications
Item Specifications
Number of dots (dots) 800x600
Dot pitch (mm) 0.288 (W)x0.288 (H)
Display area (mm) 229.2 (W)x171 (H)
Contrast (minimum) 100:1
FL current (mA) 2.4/2.8/4.0/4.6
*NOTE: The FL currents at power on are:
Bright Semi-bright
AC cord connected 4.6 mA 4.0 mA
AC cord not connected 2.8 mA 2.4 mA
(The settings at power on do not change even if the AC cord connection changes.)