Question about Toshiba 53H71 53 in. Rear Projection Television

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Hitachi 65F710 convergence problem

Hello I own a 65 inch Hitachi model 65F710, can not get colors lined up magic focus is not correcting it . manually can not move colors to adjust. how dificult is it to replace convergence board?. Im a technician at trade. and which board is it on my unit thank you.

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  • bgpapa Nov 21, 2008

    Thank you for your quick response. On my Hitachi 65F710 , your saying the convergence board is solder on to another board is it a chip that im removing and replacing. thank you

  • bgpapa Nov 21, 2008

    ok I have looked at boards , on this unit I have 2 large boards. now your saying aprox 4x4 board is the convergence board . is that located in the crome box where the cable card goes . 65f710A Hitachi is what i have, and the only other boards around that size i see is the boards under each lamp. sorry but do appriciate you helping me . thank you

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You have to unsolder the old one and put in the new one it should be located just forward of the tuner

Posted on Nov 20, 2008

  • Ronnie Houston Nov 21, 2008

    it us about a 4x4 inch board you have to remove and replace

  • Ronnie Houston Nov 21, 2008

    the board is inside an aluminum casing and is not connected to the tuner...its midway towards the middle of the tv and as i said its a 4x4 box

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I can not get the tv show a picture
even when i use my vhs
am i suppose to have it on a certain channel
thnaks

Posted on Apr 24, 2009

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1 Answer

Convergence


I presume it is Hitachi---if Magic Focus does not correct the problem--the convergence chips need to be replaced.

Based on a MODEL NUMBER several sites on the internet sell kits etc.

I am available to help if you provide me with a model number and some idea of your skill level.



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Set 51uwx20b, how do i fix magic flash to reset factory settings


Convergence board needs repair, google you model # and see if you can purchase a repair kit.

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I have a 65 inch Hitachi projection TV and all of a sudden lines apperaed on the screen that runs across the upper part of screen. I tried using the"Magic Focus" setting to get rid of these lines...


The tv Magic Focus button don't solved these R,G,B colors lines mis alignments problems.Mean ur tv have a convergence pictures problems,it is dead.Ur tv now have any colors lines like R,G,B mis alignments,have a colors shadows picture or a 3D pictures look alike?Yes,mean ur tv convergence board it is dead to causes all of these pictures problems.The tv convergence board must have to repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost u like $300-350 for parts and labors.

Sep 24, 2011 | Hitachi 65S500 65" HDTV-Ready Rear...

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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.

Oct 15, 2010 | Hitachi 65TWX20B 65" Rear Projection...

2 Answers

Hitachi 43fwx20b Convergence Problems


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. 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, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Magic focus error Hitachi 52


The model number you have selected here does not have magic focus--if you really want a answer post the correct model number.

SD TECH

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1 Answer

Red color seems to jump from the rest of the colors about 2'' Mitsubishi 65'' widescreen model ws-65819


Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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2 Answers

I have a hitachi ultravision and the blue is off center.


your convergances amps ics have failed and need to be replaced alone with the 2 burnt resistors you will find then run magic focus

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1 Answer

Maybe converrgance


If the magic focus doesnt correct the issue you will need to install the Convergence repair kit for your model. You should be able to get one at the following link. Leave them a email or call if you dont see your model as they add new kits everyday or two.
http://www.tvrepairworld.com/

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