Color alignment there a bow like line on the bottom and top of my screen plus any words or images that appear on the screen have a visible shadow and the colors dont quite line up either

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398 Answers

It sounds like one of your convergence IC's has burned out and needs to be replaced. The defective IC will have to be replaced, the low-value resistors next to it checked and the convergence circuits realigned. If you do not have any experience working inside projection sets, allow a qualified tech to handle it for you.

Posted on Aug 31, 2007

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How to reset nokia mobiles life timer to ''0''

Nokia life timer is a counter that keeps track of the Total call time of your phone. It will show how much the phone has been used, and it?s the best thing to check if you?re planning to buy a used Nokia Mobile.
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on Jun 21, 2010 • Cell Phones

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There is a bow in the picture top and bottom of screen

The tv have a problems known as a convergence problems,it is dead.Tv have colors R,G,B lines mis alignments,have shadows pictures or 3D picture look alike?Yes the tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts,must be replace on the tv convergence board to solved the tv convergence picture problems.The shop will cost u like $300-350 for parts and labors.

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Jun 09, 2011 • Apex Digital GB4308 43" Rear Projection...

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My rear projection television is showing a double picture with the blue out of allignment. It also shows a bow on the top and a bow on the bottom.

The tv have a problems known as a convergence problems,tv convergence board it is dead.Tv have R,G,B colors lines mis alignments,have colors pictures shadows or 3D pictures look alike?Yes.The tv convergence board it is dead.Must require replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv picture convergence problems.The tv shop,will cost u like $300-350 for parts and labors.

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Feb 01, 2011 • Mitsubishi WS-65908 TV

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I have a HCN4727w samsung. Red/green shadowing. Bowed image

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These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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*Screen Looks 3-D
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*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
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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

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Jan 17, 2010 • Samsung HCN4226W 42" Rear Projection...

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Screen is bowed on top and bottom. What could be our problem? Picture, letters & words blurry.

go to hatch screen adjust all colrs to make white color boxes , also adjusts linear lines

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Dec 31, 2009 • RCA Televison & Video

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I have a proxima dp6860 color shadow

the lcd panel may be out of alignment. there really isn't a way adjust it easily. it'll need to go in for repair to an infocus service center. try av solutions in ny. they're really good.
i think it's www.avsolutionsny.com

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Nov 20, 2009 • ASK Proxima DP6860 Plus Multimedia...

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Color seems off possible bowing of the image at top and bottom

that's right my friend, you have a convergence problem, you need to replace the stk's and it is possible that you have some burned resistors. if can't do it yourself you are looking $250.00 repair
good luck

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Jun 07, 2009 • Samsung PCL5415RB 54" Rear Projection...

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Shadow images and scrolling banner curves upward and back down.

Your TV most likely has one or more 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.

Solution #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.

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

Solution #2

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

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Mar 15, 2009 • Panasonic PT-53TW53 53" Rear Projection...