Question about Hitachi 57UWX20B 57" Rear Projection Television

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Hitachi 57uwx20b The green light engine on my TV only works occasionaly. Is this a convergence board problem or a light engine problem? Also, if its a convergence board, can I replace that myself? Thanks for your help John jlem525@gmail.com

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  • John McReynolds Sep 05, 2008

    Looking at the TV info page on the menu, model # is 57UWX20B.



    The picture has a red tint to it. Once in a while, the picture will be fine and normal. Most of the time, the picture is tinted. This morning, I had taken the screen off to ensure that the lenses were not dusty and the red and blue lenses were illuminated but the green was not. Then a little later for about 5 minutes I had a normal (correct) picture.



    Thanks for your help!!



    John

  • John McReynolds Sep 06, 2008

    I think I locked that by accident.



    John

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First of all there is no light engine inside your set. Your model is CRT based. Can you better describe what you mean by the green only working occasionally? What exactly is the picture doing? Also, please confirm that your model is: 57UWX20B.

Thanks,
Dan

Posted on Sep 05, 2008

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1 Answer

How do i fix this dip line its model 57 uwx 20 b


Look like RG convergence is out , but it's hard to tell from the pic
if you can't correct it with the set up in " convergence " on the setup menu , then your Convergence chips are failing

if you handy with a screw driver and a soldering iron you can swap out the chip yourself since it's not worth taking to a repair shop
cost for the chips 65.00 -70 , you can get cheaper if you shop around
youtube
http://www.tvrepairkits.com/xcart/hitachi-57uwx20b-convergence-repair-kit.html
buy part
http://www.tvrepairkits.com/xcart/hitachi-57uwx20b-convergence-repair-kit.html

Feb 24, 2016 | Projection Televisions

2 Answers

Hitachi 57uwx20b


The resistors are all marked with bands which denote the value---just check them with a ohm meter===no need to replace out of hand.

When you replace the chips: remove all the old white grease and apply fresh heat sink compound (thermal transfer grease.

I see lots of people who want to "change everything" and usually get in trouble----for the most part these parts are either good or bad.

You will need the original Hitachi remote when done to adjust convergence in the Decam mode.

Mar 07, 2012 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

I have hitachi prjection hdtv, kinda old recently the color green stands out way too much.. pretty much all you see is green


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 have dead 2 STK convergence ICS and some or all of it resistors too.These parts must be replaced on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Jan 10, 2011 | Hitachi 51F59 51" HDTV Projection...

1 Answer

My picture is now always a pink to red shade on my


unplug your TV look on the back for a three controls marked red / blue / green "screen" turn / tap on them; watch the screen when you find the "dirty" control clean it with "TV tuner cleaner spray"

Mar 20, 2010 | Hitachi 57UWX20B 57" Rear Projection...

1 Answer

HITACHI 57UWX20B has blue ghost shadows how do I


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jan 05, 2010 | Hitachi 57UWX20B 57" Rear Projection...

1 Answer

I have a hitachi 57uwx20b that had distorted


If the problem "distorted picture" was red and blue lines everywhere you may have a shorted convergence IC and the set may be in shutdown; someone needs to determine by unsoldering the two convergence IC chips and then trying to turn the set on; if they are unsoldered and the set comes on---one of them is the trouble----also you can look around them at a number of small resistors to see if any are discolored or look burnt--If you need more direct assistance my email address is:

etower.766@netzero.net

The convergence ic chips are usually located on the right side of the set as you look at it from the back on a large finned piece of metal(it is a heat sink to keep them cool).

Aug 11, 2009 | Hitachi Projection Televisions

1 Answer

Hitachi, model 57UWX20B ghosting?


The most likely cause is shorted convergence chips and possibly a few pico fuses.

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. This is called convergence.

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,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with 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 - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set 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 herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 24, 2009 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

Hitachi 57UWX20B 57 in.


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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. This is called convergence.

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,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 08, 2008 | Hitachi 57UWX20B 57" Rear Projection...

1 Answer

Hitachi 57uwx20b


Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
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.

Aug 23, 2008 | Hitachi 57UWX20B 57" Rear Projection...

1 Answer

Convergence / Short? 60PP9401


First thing to know = your set is Hitachi made with Philips
name on it....not a bad thing, just good to know.....
Parts to change out = STK392-110 IC's sub to upgrade
STK394-160E part # CZ 01341 , change both for reliability...
Then activate Intellisense and see if all is well........T.

Dec 14, 2007 | Philips 60PP9401 60" Rear Projection...

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