This manual covers safety precautions, product features, and technical specifications for the TCL HD25C81 and HD29C81 televisions. It includes detailed diagrams of the exterior, explanations of control panel functions, and step‑by‑step instructions for basic operations such as powering on, channel searching, and adjusting audio and picture settings.
Additional sections guide users through advanced functions like HDTV and PC input modes, program editing, program navigation, DDHD contrast mode, and fault diagnosis. The troubleshooting chapter helps resolve common issues such as no picture, no sound, and interference, and provides contact information for service support. This manual is written in Chinese.
| Screen diagonal (HD25C81) | 59 cm |
|---|---|
| Screen diagonal (HD29C81) | 69 cm |
| Dimensions (HD25C81) | 702 × 500 × 529 mm |
| Dimensions (HD29C81) | 784 × 635 × 567 mm |
| Working voltage range | 100‑250 V 50 Hz |
| Supported TV standards | PAL, NTSC, SECAM |
| Channel storage capacity | 200 channels |
| Reception frequency range | 470 MHz |
Press the power button on the main unit; if the TV was previously powered off at the socket, it will start in standby mode.
Enter the menu, select “Auto Search”, and press the volume‑up key to start the automatic channel scan.
Press the “DDHD” key to toggle the mode, then press the “Demo” key to view the split‑screen contrast display.