Question about Hitachi 53UWX10B 53" Rear Projection Television

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53UWX10B Red giving problems

The red projector on my tv is not just giving me a strange convergence, but it is giving me thin red lines accross the top of the screen in an up-side down semi circle. The further out from the center of the screen you look the red convergence gets worse and the picture stretches out.

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Cheers!

Posted on Sep 20, 2008

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Good Day,

Welcome to the world of having a convergence circuit problem. There two things you can do; get it repaired by a Factory Authorized Service Center or repair it your self. Purchase KIT 10 from B&D Enterprises, 1-800-458-6053. The kit has everything you will need except soldering equipment and experience. Good Luck, big IRISH.

Posted on Sep 20, 2008

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My RCA P52937SG projection tv. Picture distorted. I beleive it has to do with the green circuit / projector. Everything needs to be aligned to green. Green projector is on, but, in alignment screen I get...


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board must have replace the 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

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This problems is also parts of tv convergence board have dead 2 STK convergence ICS and some or all the resistors dead too.This problems the 2 STK and some or all it resistors are completely dead that why u only have red flashing light and chirping sound only.If your tv have any life function left of the tv convergence board u would have only mis alignments of colors R,G,B lines,have colors shadows or 3D pictures look alike.The shop,will cost like $300-350 to get the tv convergence board fixed also fixed this problems too.

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I have a hitachi 53fdx20b and the red and green colors line up fine, but the blue is droopy at the top and doesnt line up elsewhere, any help?? :)


Ur convergence is dead.U know how to solders?Try this website,Tv repair World.com.to buy a convergence kit,replace what in that kit.

Oct 20, 2009 | Hitachi 53UWX10B 53" Rear Projection...

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This may sound strange but I have seen something like this once before in this model----In the customer menu select Convergence---DO THIS WITH NOTHING CONNECTED TO THE SET FOR SIGNAL-- IF THE multipoint convergence looks ok---I saw one of these sets where the problem was the box that was giving the set signal---easy to find out if you have them swap that box out for another---The TV does not know(convergence wise) whether you are 480 or 1080---yes, sometimes the set needs to be adjusted in each of these modes for Convergence---the set I saw the convergence was ok in 480 but out the window in 1080----he had another box in another room and when we swapped it the problem was gone.

Let me know if this helps you---in the 480 you can confirm this by hooking a DVD etc and if that looks good---suspect the box.

If you have any questions let me know--I am here to help.

SD TECH

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I changed the IC chips on my hitachi 53uwx10b tv like you guys said that helped alot but still have wavey lines on both sides of the screen what do I change on the con. board now? Thanks alot Jim


Resistors " RK42 3.3ohms
RK46 1.8ohms RK50 2.7ohms RK54 1.5ohms RK58 3.9ohms RK62 2.2ohms After you replace all of them then enter convergence by pulling OFF bottom front panel there on front of convergence board is a small blue button press it and a convergence pattern will come up now aline each color red then blue.

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Red screen(rear projector tv)


Most likely bad convergence amplifiers. They are soldered in components.They can become intimentent and the lines come and go, usually red or blue.

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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.

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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We need a better description of what you mean by shadowing. However I am assuming: 1. You mean it ''bleeds'' off to the right when you have something with a hard red/blue drive. 2. When you turn the contrast and color down a bit it gets better. unfortunatly I cannot tell you how to fix convergence, but I can think of some other possibilities. In this case the red/blue emmision of the crt is dying off and going into saturation when driven hard. To fix, replace with a new picture tube/crt. In some cases you can get a little more life out of that tube (with a watchable picture) by having the screen, focus, cathode bias, and drives slightly readjusted. It will take someone with experience in doing these adjustments on a weak tube to get it looking as good as possible. Given the construction of the cathodes (guns) in that crt, only a very low level crt reactivate should be tried on it. The hard rejuv most crt testers give is highly likley to completely destroy the cathode on that crt.

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