Hitachi 51GWX20B 51" Rear Projection Television Logo
Posted on Mar 06, 2011
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Suddenly color out of whack and words shadow each other in another color. I went to Magic focus manual and the yellow and blue lines are distorted (don't line up together), particularly on the top and sides. It doesn't apper to be a way to correct as a user. The picture quality is fine, except with the yellow swooping from teh top. What do I need to do and is it serious Thanks, John

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matt martin

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  • Hitachi Master 1,259 Answers
  • Posted on Mar 06, 2011
matt martin
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You have a convergence problem. If you are handy, you may be able to repair this. The signal module will need reworked. The best repair for you, or some one you know, who is an electronic servicer can get help. Please see the website www.TvRepairKits.com. You will find the best repair kit. I have used this website to repair a few of the Hitachi Projection TVs. The instructions, and parts,, along with photos, will be very, very helpful. Have your TV model number close by, as you search this website. Thanks for asking and show a few hands of support!

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Related Questions:

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2answers

We cannot get the color to align. It appears like there is a blue or yellow background around words

If your TV looks 3D, warped, or distorted it likely has a convergenge problem.
If however it just looks dull, washed out, redish, greenish, or blueish or if it looks like objects on the screen have halos the fluid in the lens has soured.
You can search google for parts or you can get the parts with repair instructions from sites such as www.TvRepairKits.com
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The top of the screen is yellow color then drops down in a swoop and more yellow and blue. otherwise picture is good, pushed the magic focus but it did no good. thanks for any help

The magic focus button don't work.The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows or 3D pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the tv convergence board to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.
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Picture is out of focus. Tried Magic focus - didn't work. Saw color grid; appears blue is out of whack.

There are two common problems with these 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...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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I have a blue and yellow shadows in my picture and when i use the perfect focus all the colors are in line except the blue.

Sounds like the STK packs are bad. Maybe change convergance amps along with protect fuses or low ohm resistors on the PCB
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You will not be able to solve this yourself. It needs the convergence IC's replaced which is a big job.
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yes goto menue and goto convergence
line up all red blue and green cross hairs so thay are wite.
thanks.
daniel
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Hitachi53SDX89B color problem

Blue convergence IC bad...have both IC's changed..insist on
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convergence amp IC's for burn / damage...after rebuild, press magic focus.......................T.
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Blue shadow

Needs convergence circuit repair = replace convergence IC's,
then activate Magic Focus...............need step by step?......T.
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You will need the convergence circuit repaired......IC's replaced,
B+ resistors checked and then magic focus activated......T.
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