1. Check whether the TV is turned on and the power button is turned on. If you don't turn it on, turn it on and the problem will be solved.
2. If the indicator lamp still doesn't light up after checking the above methods, it means that the TV set's unresponsiveness is a hardware fault, including the switch circuit fault of the main board, the short circuit fault of the internal circuit, the power supply system fault, the screen line fault, the screen fault, the CRT and the base fault, and other parts fault. It is recommended to contact TV after-sales service for comprehensive inspection and warranty.
1, Changhong TV refers to the TV produced by Changhong. As one of the well-known color TV enterprises in China, Changhong's products include artificial intelligence TV, Changhong CHiQ TV, 4K TV, laser tv, smart TV, LED TV and plasma TV.
2, Changhong CHiQ TV, Chinese name Chick TV. The most prominent feature is to solve the problems of "poor human-computer interaction experience, immobile TV and inconvenient content search" in the past. With a series of technical innovation system solutions such as "multi-screen collaboration, cloud account, intelligent service", TV can be watched at any time, broadcast live, classified programs, and convenient multi-screen, so that viewers can throw away the remote controller and control TV with mobile terminals such as smart phones or PADs.
3. Changhong 4K Ultra HD is a high-end product of U-MAX living room TV, with a size of 46-85 inches. New technologies such as full 4K*2K lossless processing, dynamic image motion compensation and dot matrix dynamic light control are adopted. , which not only ensures the smooth and clear TV picture, but also reduces the energy consumption and plays the role of eye protection.
4. The NTSC color gamut coverage must be ≥ 105%, and the film-level color of the film should be restored, which is vivid and lifelike. Must have theater-level dts sound effect based on TV characteristics, and the sound frequency response range is 160~8000HZ. The wider the range, the better the sound effect. Ultra HD Blu-ray decoding, multiple sound modes with different viewing scenes. Changhong LED TV's ultra-fast central processing engine, high-definition image quality fine processing, intelligent volume control, channel switching, program management, health tips, time switch and other humanized designs? .
Source: Baidu Encyclopedia: Changhong TV