Question about Hitachi 53UDX10B 53" Rear Projection Television

2 Answers

Hitachi Television My Hitachi TV has rainbow like colours across the screen. Faces are blue further down the screen goes from red to green. Can anyone help or do I need a new TV.

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  • vincegil39 Feb 24, 2009

    my mod# is 53FDX20B, this has happen befor and was fixed under warranty.it has done the same thing again ,not under warranty now!

    problem :its like you have doubles at the top of screen and colour is apparent ,ie see green ,blue some red

  • dfranzen70 May 11, 2010

    Is that the 110 or the 110/O? It's the latter that's $14 each, for a total of around $30. The former is only $6. Just want to make sure I'm getting the right one.


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  • Hitachi Master
  • 3,459 Answers

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.
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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.

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 fluiHitachi Television - 578ba6c.jpgbr />
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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.

Posted on Apr 24, 2009

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  • Master
  • 1,550 Answers

You have convergence problem in your tv . You need to replace convergence IC . YOu can get from the link below .

http://www.electronix.com/catalog/default.php/cPath/6

You need to replace both convergence ICs .It will cost you around $30 .
The IC number is STK392-110 .

Posted on Feb 18, 2009

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