Analog television will soon be completely replaced by digital. It is important to know what kind of TV signal takes your selected model. If the TV can be operated from the conventional cable and antenna, not only accept digital and analog signal, then the problems with the operation of such a model will not arise. All televisions inside there is a special fee, which is responsible for receiving broadcasting signal. The signal can be satellite, cable or analog. This device is called – tuner. At the moment, there are 3 main types of tuners:
– analog usually accepted for the Russian consumer signal;
– a digital tuner to receive a digital signal;
– Hybrid receiving both signals.
The best option – TV hybrid tuner.
The choice of TV and equipping it affects different connectors, and this in turn is determined by the place of its installation. In the children’s room should be provided for the connection of various peripheral devices, computer system unit, several game consoles, various photo and video equipment. Installed in a bedroom or kitchen TV usually does not require connecting external signal sources, except the antenna. The kitchen TV is most often used for the background, replacing the radio. The bedroom has enough receiving terrestrial channels and cable television, which would see a movie at bedtime. For the living room TV with the best fit as large viewing angle. As a rule, it is in this room focuses the main media system is equipped with a satellite receiver and a multi-channel acoustics.
One of the important characteristics influence not only on the cost of buying the machine, but for future expenses related to the after-warranty repairs TV, is the type and size of the screen.
By Type screen TVs are divided into 3 types:
1. The LCD screen. This is a matrix of tiny dots – pixels. The advantage of LCD TVs is the wide range of models with different brightness and contrast. You can buy a TV that provides the desired image quality and has an affordable price. The disadvantages of such a small screen include the viewing angle, the distortion of colors and loss of contrast. However, in the later models manufacturers eliminate these shortcomings.
2. LED screens. They are superior to LCD screens according to the method of illumination matrix. They use LEDs instead of fluorescent lamps used in LCD TVs. This greatly increases the sharpness of the image, color quality, contrast and brightness. The image looks more natural. LED TV has a thinner screen consumes much less power. The most significant drawback of such models is their high cost.
3. Plasma TV panels. Image quality are superior to LCD and LED TVs. Have excellent contrast picture. Superior brightness LCD and LED models almost 3 times. The colors on the screen and lively, thanks to the use of phosphor – a substance capable of luminescence upon application of a voltage. Acquire plasma TVs lovers colorful and clear image. The disadvantage of the plasma is considered to be a high cost, as well as the high cost of maintenance. Repair Plasma TVs Pioneer is a very expensive procedure.
On the image quality and clarity influence sweep – the way the image is displayed. Currently using interlaced and progressive scan. The name “progressive scan” speaks for itself. When the image horizontally moving objects in a TV excluded comb effect. When you turn on the pause shake pictures virtually absent.
Whichever TV you bought, we are confident that with our uncomplicated tips, you will not be disappointed with your purchase.
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