High definition televisions are much more complicated than the TVs of even the 1990s, and therefore can have more problems. Philips is a leading manufacturer of high definition televisions, and their 50P8341 model is a 50 inch rear-projection variety. Fixing problems can be as simple as unplugging your television or as complex as performing a repair in the back of the television. Most of these fixes can be handled at home.
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Things you need
- Compressed air
- Static free rag
Perform a "hard reset" on your television by unplugging it and leaving it unplugged for around 5 to 10 minutes. Then plug it back in. This simple fix can resolve many problems.
Check to ensure your television is in the proper video mode. Cycle through the various video modes using your television's remote and search for the picture for the device you are looking to use (DVD player, cable receiver, or other option).
Tighten and dust your wiring. Unplug all of the wires in the back of your television, remembering what plugs they should enter. Spray the can of compressed air over the plugs that enter the TV and wipe them clean with a static free rag. Then plug the wires back in, making sure they fit tightly. Then repeat the process for all of the devices to which the television wires are connected.
Adjust the convergence settings on your television if your picture is distorted. Television is broadcast using three primary colours: red, green and blue, or RGB. Convergence settings control how they come together, or converge, on your screen. If your television is experiencing problems such as double-vision, an overabundance of one colour over others or a warped screen, you might have a convergence problem. Using your remote, enter the "TV Settings" menu then choose "Convergence Settings." Adjust the convergence using the four direction arrows on your remote.
Replace the coolant and clean the CRT (cathode-ray tube) of your television. The CRT is what projects the picture onto your screen. You can purchase a repair kit from an electronics store which will include instructions on how this is done.
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