Question about Hitachi 43UWX10B 43" Rear Projection Television

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Hitachi tv c43-f550p came at screen in dubble image at the top

Hitachi tv c43-f550p came at screen in dubble imeage in red colour at the top like convergence out position

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  • Hitachi Master
  • 1,039 Answers

Convergence ics need to be replaced.

Posted on Apr 25, 2009

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Posted on Jan 02, 2017

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Rcs hdtv multiple images


The problem you're having is due to the failure of the convergence amplifier circuit. In that circuit are some components which amplify or control the signals to the dynamic convergence yokes, which line up the red green and blue images to superimpose them over each other to create a proper colour picture. When you get a failure in that circuit, it no longer aligns the images properly, and generally you get what appears to be badly set geometry in multiple colours. In some cases you will also get a problem with the part of the power supply that supplies the convergence amplifiers, or the digicon, which is the digital convergence control module.

Jun 12, 2009 | Hitachi 43FDX01B TV

2 Answers

Hitachi TV, has red ghost lines outlining image on screen! Help!


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.
701cb04.jpg
77ea520.jpg
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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.


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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2c07611.pngSolution #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.

Apr 07, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Green cruve line


Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

Aug 30, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Hitachi 43FDX01B (convergence) problem


hi i have same prob iv bin told its a convergence chip an thay r £150 ! thay go bout evry 6 years an its comon .. any way there coming 2 fix mine 2day so ill let u know if it sorts it out my mail is mjoutlaw@hotmail.co.uk thanx

Jan 30, 2008 | Hitachi 51F500 51" Rear Projection...

1 Answer

Magic focus


This might also be called digital array. You might have to do the manual adjustment with the cross hairs on the screen. These, one red, one blue, one green, should all align on top of each other in a white color. If this does not work, you should call 1-800-448-2244 for assistance in finding a local service center.

Jan 21, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Hitachi, Projection Color TV,C43-F550,C43-F550p,C50-F550p


what do you mean when you say resistors look like they were dry??

did you try fixing the wires? i would do that first and see if anything else is bad.

Jan 07, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Double images on top third of sceen


Faulty alignment mechansim or colour wheel. Expense unknown.

Oct 30, 2007 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Hitachi 53FXD20B Spots with colour


take your tv to a tech and have them check your tv the color module could be the problem or the the convergence module.good luck.

Apr 18, 2007 | Hitachi 53FDX20B 53" Rear Projection...

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