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Colors have seperated on top of screen

I have a Zenith HDTV 50 inch big screen tv; model number r50v26. I have had it for several years with no problems but today it is as if the colors have bled down on the top left side. Best way to describe it is to divide the screen into 6 quadrants, the color speration is in the top left and middle, the red and greens have seperated.

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  • Anonymous May 30, 2008

    I have gone through the digital array adjustments and the top middle quadrant will not budge..

  • Anonymous Jul 06, 2008

    The green stationary projector will not allign with the blue and the red

  • ringjm Dec 11, 2008

    I have tried working with the convergence and can fix most of it except for the top left hand corner and the bottom right. Is there a 'tube' or something going out?? Otherwise its a great TV. But it will get to the point that you think your vision is playing tricks on you.

  • Anonymous Dec 27, 2008

    I have the same problem

  • revak Jan 28, 2009

    excatly the same seems to

    peel away at the top left corner



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Convergance ic are bad

Posted on Dec 14, 2007


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Model number TCP50U50 panasonic has sound but no picture

...If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

Apr 25, 2014 | Panasonic TCP50U50 50" Plasma 1080p HDTV

1 Answer

I have Convergence issue . Can't adjust The allngment crosses on screen no control over the jog button .

This is a common problem. Its called a convergence failure. You can get all the parts from

Your TV will commonly have one or more of the following symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio or Video

You can see some examples and find a fix here...

Apr 21, 2011 | Zenith R50V26 50" Rear Projection...

1 Answer

I have a Zenith approximately 8 years old. The color is not aligned and the convergence/alignment feature on the remote control seems to do nothing. Can a service tech do an in home alignment?

Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip Failure ( common problem )

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.
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 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.

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.

TV set after fluid change


2c07611.pngSolution #2

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from that includes replacement coolant, photos. instructions, etc

Dec 22, 2010 | Zenith R50V26 50" Rear Projection...

1 Answer

Colors seperate

Yes, this problem is fixable.
Replace convergence out chips on D board of tv to fix the color separation issue.

Jun 05, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Zenith R50V26 50" projection tv with a convergence problem can we fix this ourselves?

Yes - you can do it yourseld. There are two common problems with Projection TV sets. Problem #1) Convergence Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


Jul 13, 2009 | Philips 51PW9363 51" Rear Projection...

2 Answers

I have a Zenith 50" rear projection tv. I recently noticed horizontal lines that crawl towards the top of the screen. It is not all the time, and not very noticeable--just annoying right now. Can this be...

It may be problem with the TV but I've seen cable boxes cause this as well. Try unplugging the box and running the cable directly to the TV's RF input. If the lines are gone, its the cable box.


Feb 19, 2009 | Zenith R50V26 50" Rear Projection...

1 Answer

Old toshiba

Hi Veronica,
I need to know exact model number of your Toshiba TV to help you out.
You can find it at back of TV on some kind of sticker.

Oct 11, 2008 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

My 50 inch 5 year old Toshiba TV has a wavy screen with the colors stacked instead of on top of each other and the red convergence cross hairs are crooked

you need new convergence ICs. post your model number and I will post the correct IC numbers for your model and a link where you can get them with free instalation instructions.

May 29, 2008 | Toshiba Televison & Video

1 Answer

Junk TV & Poor service

zenith agreed today to replace mine.

Mar 12, 2008 | Zenith Z50PX2D 50 in. Plasma HDTV

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