How to Check TV LEDs

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Before you purchase a new television, it's a good idea to know the quality of what you are buying. An LED TV is a step up from a plasma or LCD TV. The difference is an LED TV has backlighting that creates a clearer and more defined image, to enhance your viewing pleasure. Not all LED TVs are created equal, but it is relatively easy to tell an average quality set from an exceptional one.

Things You'll Need

  • Electronics store with televisions
  • LED TV
  • Store clerk

Checking LED TVs

  • First, check the LED TV for local dimming. Ask a sales clerk in the store if a set is capable of local dimming adjustments, and have him show you how to dim or shut off the light behind certain portions of the screen where you want contrast. This is important because many LED TVs in stores use LED backlighting, but really aren’t true LED TVs. Rather, they use LED illumination instead of adjustable backlighting. If the backlighting is adjustable, then you have the ability to make the picture clearer.

    When checking the lighting look specifically at how the colors respond to the dimming. The images should remain clear as you adjust the image and not pixelate. Also, ask the sales clerk to show you how to adjust the brightness and contrast menu functions.

  • Next, check the cable input and output, USB cable and HDMI plugins on the television. The ability to hook up a DVD player, video game console or computer will most likely be important to you.

    The TV may also come with an internet option that will let you access Blockbuster, Facebook, YouTube, Flickr and Amazon Video On Demand. If so, check the LED TV's response times with the internet.

  • Lastly, check the size and thickness of the TV set, and buy the wall mount that corresponds with the television set you choose.

    LED TVs can range in sizes from 17 inches to a standard size of 46 inches. The larger the TV, the better the viewing will be. Most LED TVs are also ultra-slim, so they can be hung on your wall and can swivel. LED TVs can be 1.2 inches in width or greater.

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