Now watching movies to watch movies is one of the ways to leisure. Of course, a good film needs to be paired with a high -definition large -screen smart TV.The so -called smart TV is a fully open platform, equipped with an operating system. While appreciating ordinary TV content, users can install and uninstall various application software by themselves, and continue to expand and upgrade new TV products.So what factors should we buy when we buy smart TVs?
Smart TV service commitment
LCD TV is a relatively high technical content of home appliances, which also means that once quality problems occur, it is also a troublesome thing to repair.Consumers must learn more about the "three packages" of the product "three packages" from the product "three packages" period, the "three packages" period of the main component, the specific list of the main components, etc.Essence
Most manufacturers provide warranty services ranging from 1 to 3 years. Some manufacturers even provide free door -to -door services and reduction of maintenance costs during the warranty period.The promise of the package "service is clearly marked in the form of" three packages "vouchers or invoices.How about, after watching the few tricks provided by Xiaobian, is it more semi -in my heart when buying smart TVs?
Recognize the bad points and highlights of the TV
When buying LCD TVs, some friends saw that the picture played by the promoter was perfect, but after a period of time, the bright and dark "bad dots" appeared on the screen, which seriously affected the effect of the picture.Its not so easy to find a merchant theory.So how can we recognize whether there are bad points and highlights of LCD TVs when buying? There are three methods to choose from: the easiest way is to make the screen completely black and see if there is a highlight in a pure black.Then let the screen completely white, see if there are any black spots.Finally, replace it with the integrity of red, green, and blue.If there are more bad points than national standards during the inspection process, dont buy it.Another method is to connect the computer with LCD TVs, and then display the required screens by solid -color screens in software such as TFTTEST, CheckScreen, DisplayMate, and other software.You can also select the corresponding color desktop to detect in the computer desktop attribute. This method is actually the same as the detection method made by the LCD display.The third method is to use Hivicast disk to detect. Hivicast is a home theater audiovisual test disc. The original plate of the plate has Chinese subtitles, which explains the complex test steps in detail.It enters the test steps when watching the plate. During the test, whether the LCD TV has a bad point and the highlights are clear at a glance.
Different from the panel of LCD screen
For Tablet TV, the display is the most important part, accounting for about 2/3 of the cost of the entire machine.LCD screens are divided into ordinary PC screens, general AV screens and professional AV screens due to different technology and craftsmanship.This display is a special screen for LCD TVs. It has greatly improved image resolution, color, and layered sense. It can truly reproduce digital high -definition picture quality, especially suitable for receiving digital yuan TV.The LCD screens on the market are divided into three grades: the best quality is Sharp screen, but it is basically available; followed by Japanese and Korean manufacturers, such as SamsungElectronics and LG.philips (LPL); Finally, it is a screen produced by Taiwanese manufacturers, such as Aiya and Qimei.At present, only these five major manufacturers have the ability to cut a large -sized LCD panel with a large size of more than 40 inches.Choosing a technology -advanced large factory panel is good for future use, such as the service life and color are stronger than the low -end panel.Lets introduce the characteristics and identification methods of several common liquid crystal panels.

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