LR080VR/B series color liquid crystal display user manual, mainly including product introduction, basic principle, system structure diagram, performance parameters, communication and connection, memory and screen dot matrix correspondence, memory and screen pixel point correspondence diagram, reading data from display memory, I/O port read and write timing, automatic screen clearing, color composition, switch definition, mechanical size and layout, application examples, after-sales support instructions, transportation damage handling methods, display storage, precautions, control circuit precautions, common problems and solutions.
The LR080VR/B is an 8‑inch industrial TFT color LCD display offering 64 or 256 colors, a 640×480 pixel matrix and a CCFL backlight. It operates from a 12 V DC supply and includes optional touch‑screen interfaces (232/USB).\n\nThe manual covers an introduction, basic principles, system architecture, performance parameters, communication interfaces, memory‑screen mapping, auto‑clear functions, color composition, dip‑switch settings, mechanical dimensions, application examples, after‑sales support, handling of transport damage, storage, safety precautions, control‑circuit notes, common problems and solutions, and a touch‑screen appendix. This manual is written in Chinese.
| Screen diagonal | 8.0 inches |
|---|---|
| LCD type | TFT |
| Resolution | 640 × 480 pixels |
| Display colors | 64 / 256 colors |
| Viewing angle | Left/Right 60°, Up 50°, Down 60° |
| Working voltage | DC 12 V ±2 V |
| Power consumption | 750 mA @12 V |
| Backlight power | 300 mA @12 V |
| Operating temperature | -20 °C to +70 °C |
| Brightness | 380 cd/m² |
| Contrast ratio | 500:1 |
| LCD lifetime | >50 000 hours (continuous) |
| Backlight type | CCFL (cold cathode) |
| Backlight lifetime | 250 000 hours (continuous) |
| Touch‑screen option | Interface 232/USB |
Use the 34‑pin double‑row anti‑reverse connector (2.54 mm pitch) with address, data, and control lines as described in the manual.
The display operates from DC 12 V ±2 V, while the CCFL backlight is powered at 12 V with a typical current of 300 mA.
Mechanical dimensions and layout are listed in the section titled "机械尺寸 与布局（mm）".