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I have a 2003? Hitachi 43UWX10B projection tv the colors have become skewed and rounded at the top and bottom of the screen I have been tol that this might be a convergence problem if so how to fix cheap or is a new tv the better choice?

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Yes you need to replace both Convergence Ics they are both STK392-110 also you will need one each of the following resistors. 3.3 ohm 1 watt metal film, 1.8 ohm 1 watt metal film.
2.7 ohm 1 watt metal film. 1.5 ohm 1 watt metal film, 3.9 ohm 1 watt metal film, 2.2 ohm 1 watt metal film. You can get these replacement ICs and resistors at the following link and they provide free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Posted on Jul 04, 2008

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If it a convergence IC problem it will be costly.

you need to replace the convergence ICs

Posted on Jul 04, 2008

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You need to adjust the Green Screen Drive Located on the Focus/Screen Control Block Their will be 3 on Top to adjust Focus to each Tube R/G/B and under it is 3 Controls to adjust Screen Drive to each Tube R/G/B . Cleaning the mirror and Top of Tube Lenses will help improve Picture also if they are Dirty. Control Block is Located behind Front Bottom Panel Pull it off and you should see it.

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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.
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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.

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Good Day,

Sounds like the TV's convergence circuit has failed:
*Call an Authorized Service Center and them give you an estimate cost of the repair, or
*Repair it your self; get KIT 10 locally or B&D Enterprises
1-800-458-6053; www.bdent.com.
Good luck, big IRISH.

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My Hitachi 43UWX10B television


Needs Convergence IC
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220

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