This manual covers the main features of the TCL 72‑NT25A81 television, including its picture and sound specifications, power requirements, and supported video formats. It also details the functions of the remote control, channel search, and how to connect external audio/video devices.
Safety guidelines, battery installation, and a comprehensive troubleshooting section help users resolve common issues such as no sound, picture distortion, and signal interference. The document ends with a packing list and warranty information. This manual is written in Chinese.
| 接收频道范围 | DS1~57CH |
|---|---|
| 工作电压范围 | 140‑250V 50Hz |
| 功率消耗 | 100W |
| 屏幕尺寸 | 59 cm |
| 重量 | 约31 kg |
| 电池规格 | 2× AA 1.5 V |
| 电源频率 | 220V 50Hz |
Open the battery compartment, remove the old batteries and insert two AA 1.5 V batteries with the correct polarity, then close the compartment.
Check that the volume is turned up, press the volume‑up key, and verify that the mute function is not enabled.
Check whether the TV is set to a black‑and‑white mode and switch to a color mode in the picture settings.