Question about Samsung HL-R4266W 42" HDTV-Ready Projection Television

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Grag line 4" on left side of tv

I have a full gray line on left side of screen.4" long..can see through it.does not look like rest ot tv screen...Hanknew@aol.com

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  • hanknew Sep 13, 2008

    Great.right answer...called to tell them about problem...where i bought TV. coming out to fix it free..they seemed to know all about it...THANKS

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This is because one of the mirrors in the light tunnel have fallen. Common problem on your model. There are several ways to fix this, I have seen some people be able to go in and glue it back in place, others have bought a new light tunnel and put it in, and some have to replace the whole light engine to get it back to normal. The difficulty with this repair is the mirror that we are talking about here are small and difficult to handel and get back in the right place. The light tunnel is located next to the color wheel. There is the lamp to the right of the color wheel and the light tunnel is to the right. If you decide to try to fix the tunnel yourself be careful it is delicate and not always easy to do. Let me know what you would like to do and I will help out however I can.

Tim Nolan

Posted on Sep 12, 2008

  • grs4255 Feb 21, 2011

    I just replaced the lamp and when I started the tv it came on fine, but it has that dark strip about 6" wide running down the left side of the screen and you can see through it. Where is this mirror located in conjunction with the lamp?

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Convergence


Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

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