1.7
TFT Color LCD
The TFT Color LCD contains an LCD module, an FL, and an FL inverter board.
1.7.1
TFT Color LCD Module
The T3400CT TFT color LCD supports 640 x 480 pixels with an internal display controller
and 256K colors for graphics and characters. This controller includes the functions of VGA
and SVGA for external display.
The T3400CT's LCD receives 9-bit data signals, data-enable signals, and shift clock for data
transmission. All signals are CMOS-level compatible.
The TFT LCD is shown in Figure 1-8. Specifications for the LCD are provided in Table 1-5.
Number of dots
Dot pitch
Display area
Contrast
FL current
FL frequency
1-12
Figure 1-8 TFT Color LCD
Table 1-5 TFT Color LCD Specifications
Item
(dots)
(mm)
(mm)
(mA)
(KHz)
Specifications
640 x 480
0.249 (W) x 0.249 (H)
159.36 (W) x 119.52 (H)
55:1 (minimum)
5.0
33
T3400/T3400CT Maintenance Manual