This document introduces the technical specifications of TLM2018. The product uses a 20.1-inch high-brightness LCD screen specially designed for TV by LG. It has features such as high brightness, high contrast, and true 8-bit color. It also supports multiple image input methods and image enhancement processing, as well as sound enhancement processing and various connection terminals.
The TLM2018 manual describes the complete hardware design of a 20.1‑inch high‑brightness TV LCD panel. It details the image‑processing chain, audio processing, power supplies, backlight driver, and control logic, including the micro‑processor and I/O expansion.
The document also provides voltage tables, factory menu settings, and step‑by‑step procedures for adjusting screen parameters such as brightness, contrast, color temperature and backlight intensity. This manual is written in Chinese.
| Screen size | 20.1 inches (51 cm) |
|---|---|
| Aspect ratio | 4:3 |
| Brightness | 400 nit |
| Contrast ratio | 400:1 |
| Color depth | 16.7 M (8‑bit) |
| Response time | 25 ms (typical at 25 °C) |
| Viewing angle (horizontal) | 140° |
| Power consumption | 70 W |
| Supply voltages | 18 V, 9 V, 5 V, 3.3 V, 1.8 V |
The device uses a 20.1‑inch (51 cm) diagonal LCD panel.
The unit provides 18 V, 9 V, 5 V, 3.3 V and 1.8 V rails for its internal circuits.
Press the remote keys 2‑6‑6‑0‑7‑1 to enter the factory menu.
The backlight can reach up to 400 nit.