RCA HDLP50W151 50" Rear Projection HDTV Logo
Posted on Mar 08, 2009
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The colors are distorted and it seems like the only colors that really show are blue, green, and red. When you turn the TV on you can see blue, green, and red lines across the screen. The picture also looks concaved. To kind of sum it all up the picture looks like a 3D movie!

  • Anonymous Apr 10, 2009

    can I buy a convergence board?

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  • Master 6,784 Answers
  • Posted on Mar 08, 2009
Anonymous
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Joined: Jan 28, 2009
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Hi there, this is what we call in the industry convergence board failure. this board regulate the rgb and keeps everything in order so the picture looks nice and clean. when this board starts to malfunction, what you are witnessing is usually the result. I suggest repairing this convergence board. this will fix the 3-d effect.

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This problems is not the lamp problems.This problems is call convergence problems.The colors R,G,B mis alignmrnent, have ghost picture or 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts nust be change in the convergence board to solved the convergence problems.The shop will cost u $300-350 for parts and labors.
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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 projeciton 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....
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Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.
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