How to Repair LCD TVs


You could encounter many problems with an LCD TV. Each individual problem will have its own unique set of steps to properly repair the problem. There are however, a few routine maintenance steps you can do to keep your TV running smoothly. If you notice something suspicious, consult a professional technician before attempting any repairs. The small fee for a professional diagnosis is worth the risk of being wrong and making a problem worse. If you choose to repair the TV yourself, keep the TV in a clean and dry area. Taking your TV out to the garage might not be the best idea because of all the dust that could get into the TV.

Things You'll Need

  • Owners manual
  • Screwdriver


  • Turn off and unplug the TV, never work on a TV that is still powered on. When unplugging the TV, look at the wires for any cracks or frays. Make sure the prongs that go into the outlet are straight and not bent.

  • Unplug any devices that are attached to the TV such as DVD players or video game consoles. Check the inputs on the back of the TV to make sure they are not cracked or bent.

  • Remove the back cover and look for any loose or frayed wires on the back of the TV. Wires that are not connected or frayed could cause major problems.

  • Look for any dust that has built up inside the TV. This dust should be easily removed with a dry cloth. Never use water or a vacuum to clean the back of the TV. A vacuum could suck up wires and cause other components to break.

  • If your TV uses bulbs as a light source, locate them and make sure they are properly screwed in.

  • Attach the rear cover and plug in devices when finished with inspecting the inside of the TV.

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