Tft Color Lcd - Toshiba 650CT Maintenance Manual

1.6

TFT Color LCD

The 650CT TFT Color Liquid Crystal Display (LCD) contains an LCD module, a Florescent
Lamp (FL), and an FL inverter board.
1.6.1 TFT Color LCD Module
The TFT color LCD is backlit and supports 800 x 600 pixels with built-in display controller.
This controller includes the functions of Video Graphics Array (VGA) and Super VGA
(SVGA) for both internal and external display.
The display controller is an F65550. This controller enables an LCD display of a maximum
of 16M colors.
The TFT LCD is shown in Figure 1-7. The specifications for the LCD are described in Table
1-3.
Number of Pixels
Dot pitch
Display area
Contrast
FL current
*NOTE: The FL currents at power on are:
AC adapter connected
AC adapter not connected
(The settings at power on do not change even if the AC adapter
connection changes.)
1-12
Figure 1-7 TFT color LCD
Table 1-3 TFT color LCD specifications
Item
(pixels)
(mm)
(mm)
(mA)
Specifications
800x600
0.288x0.288
230.4 (W)x172.8(H)
100:1
4.6/3.6/3.0/2.4*
(Bright/Semi-bright)
Bright Semi-bright
4.6 mA 3.6 mA
3.0 mA 2.4 mA
650CT