Toshiba T2150 series Maintenance Manual page 14

1.8 TFT Color LCD (T2150CDT)
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 T2150CDT TFT color LCD supports 640x480 pixels with an internal display controller.
This controller includes the functions of Video Graphics Array (VGA) and Super VGA
(SVGA) for external display.
The T2150CDT's LCD receives 18-bit data signals, data enable signals, and a shift clock
for data transmission. All signals are CMOS-level compatible.
The TFT LCD is shown in figure 1-8. The specifications for the LCD are described in table
1-6.
Number of dots
Dot pitch
Display area
Contrast
FL current
FL frequency
1-14
Figure 1-8 TFT color LCD
Table 1-6 TFT color LCD specifications
Item
(dots)
(mm)
(mm)
(mA)
(KHz)
Specifications
640x480
0.33 (W)x0.33 (H)
211.2 (W)x158.4 (H)
60:1 (minimum)
4.0
40
T2150 Series