Having problems with your Projection Televisions ?

The color on my rear projection TV is a little off. I tried to fix it by pressing the 'test' button below the screen. I can move the red crosshair perfectly on top of the set green one, but the blue crosshair is tilted to the side. Is there any way to rotate the blue crosshair? If there isn't, can I fix this problem without spending a ton of money?



Answers :

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

\012
    \012
  • Screen looks 3D \012
  • Colors don't line up \012
  • One or more colors can't be adjusted when using the convergence menu. \012
  • Screen is bowed or warped. \012
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Repair Help & Product Troubleshooting for Projection Televisions
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The color on my rear projection TV is a little off. I tried to fix it by pressing the 'test' button below the screen. I can move the red crosshair perfectly on top of the set green one, but the blue crosshair is tilted to the side. Is there any way to rotate the blue crosshair? If there isn't, can I fix this problem without spending a ton of money?


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