Description Of Operation; Dot Matrix Lcd Circuit - Toshiba e-STUDIO555 Service Manual
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5.4
Description of Operation
5.4.1
Dot matrix LCD circuit
1. Structure
The DSP-LCD-470 is an TFT type LCD with (800 x R, G, B) x 480-dot display capacity. It consists of
a driver LSI, frame, printed circuit board, and straight type CCFL backlight.
* TFT: Thin Film Transistor
* CCFL: Cold Cathode Fluorescent Lamp
2. Block diagram
Inverter
R0 - R5
G0 - G5
B0 - R5
CK
V-Sync
H-Sync
Enab
e-STUDIO555/655/755/855
CONTROL PANEL
800 x R,G,B x 480 dots
Fig. 5-4
Panel
Controller
Fig. 5-5
5 - 10
Backlight
LCD
X Driver
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