Televisions are complex machines with a plethora of connections and cables. When something goes wrong, the average person has no idea where to start when attempting the fix it. Fortunately, you do not have to spend hundreds of dollars on professional repair; there are certain repairs even the average Joe can make despite the complexity of the modern TV.
Projection TV
A projection television uses projector technology similar to what you would find in a movie theater to produce an image on the television screen. In essence, the projector processes the information for your cable, satellite and DVD connections and projects that picture onto the screen. The most common problem with projection televisions is that the light bulb on the projector can burn out rather quickly.
To replace the bulb, you will need to consult the manual for your television to know exactly where the projector is and what kind of replacement bulb you will need to purchase. The general process, however, begins with locating the bulb door on the back on the television. Screws will hold in the bulb. Use a Phillips screwdriver to open the compartment and remove the bulb. Depending the design of the television, the bulb is generally removed by pulling the handle out and slightly downward. Next, you will need to install the new bulb by lining up the notch on the top of the new bulb compartment with the notch on the inside of the television. Simply slide the new bulb into place and tighten the screws. Be sure to close the bulb door, as most televisions will not operate if is open.
Also note that this type of home repair will void any warranty you may hold on you television. If it is still under warranty, it is best to have an authorized technician replace the bulb for you.
Plasma TV
Plasma screens have been known to have "burn" issues. If you watch constantly watch one channel for hours at a time, the network's logo could burn into your display. If you notice burn-in is occurring on your unit, you can remedy the situation by displaying a bright white screen for several hours. This process is known as "white washing" and will generally remove any images that have been burned into your display. If this does not work, there are several DVD products that you purchase that will display industry-stand burn-removal screens.
LCD TV
LCD television sets tend use more energy than other displays. As such, a common problem with the technology is that the display will often turn off unexpectedly because of a voltage management problem. In most cases, you can simply unplug the unit for approximately 30 minutes to one hour to fix the problem. In theory, the lack of power for this amount of time will force the voltage regulator to reset itself when it is plugged back in. If that does not work, the circuit board may have been damaged and you will need to have it professionally replaced.
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