Question about Hitachi 57SWX20B 57" Rear Projection Television

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The green projection tube is mis aligned. it was

The green projection tube is misaligned. It was fine, we shut it off the night before last and woke up to the green color con-caved when we turned it on the following morning. Magic focus stops during the green and then displays the #4

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Maybe convergence problem. Contact tech support with this #4 display

Posted on Jun 03, 2010

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My hitachi rear projection tv has one of it's colors out of alignment almost like it's been bent because it causes the blue color to be out of alignment in a curved fashion across the screen the tv worked...


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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 projection 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 pics of convergence problems.


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Common 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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69189a5.pngSOLUTION

You 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

Jan 02, 2011 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Hi, I have the ws-65907 65", it was working last


No,this problems is not the projection lamp problems.The tv now have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows pictures or look like 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u like 300-350 for parts and labors.

Oct 26, 2010 | Mitsubishi WS-65907 65" Rear Projection...

1 Answer

I just turned on my tv and there are shadows around everything on the screen. Purple ones on the left of the object and green on the right. I was just watching it last night and now it's doing this. ...


Very common problems with the DLP projection tvs.The tv have a problems known as a convergence problems,it dead.Tv colors lines R,G,B mis alignments,have colors pictures shadows or 3D pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u $300-350 for parts and labors.

Oct 12, 2010 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Colored vertical lines on monitor


Have you unplugged the power cord to the LCD? Let it sit for a minute, then try it. ALWAYS buy a UPS and plug any computer devices into it. Doesn't have to be big, a $50 unit will protect it from dangerous voltage surges.

Jul 24, 2009 | Dell E171FPb 17" Flat Panel LCD Monitor

1 Answer

Red and green shadows


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 31, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

My screen is turning colors


May it have been knocked about so the projectors are out of alignment, or may it have been standing next to a powerfull magnetic field?

It may also sound like a mirror may have become misaligned, since the top half is affected

Nov 07, 2007 | Mitsubishi VS-60609 60" Rear Projection...

2 Answers

Toshiba 57h82


your convergence amp ic's./if you want to cheat/align the other two colors and manualy move the green yoke rings on the green picture tube neck so the green cross aligns with the red and blue.,they shuold form white when all three are aligned,on top of each other.

Sep 13, 2007 | Toshiba 57H82 57" Rear Projection...

1 Answer

42 inch Toshiba 42H82 rear-projection TV


Very rare to have a "tube" problem--is the real issue red/green/blue mis-alignment?? If so,please read solutions written by me for same or similar problem,includes many different Tosh models.

Aug 29, 2007 | Toshiba 42H83 42" Rear Projection...

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