This is the LT2058 LCD TV repair manual, which mainly introduces product safety precautions, basic specifications, operating instructions and adjustments, connection introduction, fault processing process, disassembly process diagram, BOM, PCB Layout, circuit diagram, TV electrical block diagram, TV explosion diagram and other content
This manual covers safety precautions, storage recommendations, and high‑voltage warnings for the LT2058 LCD TV. It details the basic specifications such as a 20" TFT screen, 640×480 resolution, 500:1 contrast ratio, and power consumption under 65 W.
The document also explains how to operate the remote control, adjust audio and picture settings, connect various input sources, and follow the fault‑handling flowchart. Detailed PCB layouts, circuit diagrams, electrical block diagrams, and an exploded view aid technicians in repair and component replacement. This manual is written in Chinese.
| Resolution | 640×480 (WVGA) |
|---|---|
| Contrast ratio | 500:1 |
| Brightness | 450 cd/m² |
| Viewing angle (horizontal) | 160° |
| Viewing angle (vertical) | 140° |
| Response time | 16 ms |
| Power consumption | < 65 W |
| Operating temperature | +5 °C ~ +35 °C |
| Storage temperature | -25 °C ~ +60 °C |
| Storage humidity | 10 % ~ 85 % RH |
| Dimensions (with base) | 500 × 498 × 252 mm |
Press the power button; the TV will not completely cut power unless the AC power switch is turned off or the power plug is removed.
Store the TV at temperatures between -10 °C and +50 °C and keep humidity below 85 % RH; avoid exposure to sunlight.
The TV consumes less than 65 W of power.
The horizontal viewing angle is 160°, and the vertical viewing angle is 140°.