Question about Hitachi 43FWX20B 43" Rear Projection Television

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43FWX20B 43 in. Rear Projection Television: looks like 3d with blue shadow to right of images ...

Looks like 3d with blue shadow to right of images on screen

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  • 418 Answers

Convergence ICs are bad. STK392-120

Posted on May 06, 2010

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Posted on Jan 02, 2017

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My hitachi big screen has red shadows on picture how do i fix it


What you described sounds like a convergence problem. When convergence has failed the colors will commonly look 3D,warped, etc. This tips page here on Fixya has more details.

Jan 27, 2013 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Tv has a 3d look what can be done to fix it hitachi 43fwx20b


The convergence board is bad. Replace the STK voltage regulators and any associated discolored resistors.

Mar 13, 2010 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Blue shadows throughout the screen and magic focus freezes with "5" displayed?


This is a common problem. Its called a convergence failure.

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

Jan 30, 2010 | Hitachi 43FDX20B 43" Rear Projection...

2 Answers

Picture has shadows with different colors (red, yellow, green)


Sounds like the convergence needs adjustment. You can do this through the menu-follow the on screen instructions. The idea is to line up the red, green, & blue.

Jun 24, 2009 | Hitachi 43FWX20B 43" Rear Projection...

2 Answers

Convergence on top of screen and 3D bended lines (yellow & pink lines).


Hi,
It is failure of convergence out ICs causing 3-D type picture on screen, you need to replace two big ICs in convergence section on main board.
Click Part Store to see an image of IC as well as price info.

If you need service manual of 43FWX20B, let me know to provide you a copy.
Thanks.

Apr 25, 2009 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Shadows


you need to replace the 2 convergence ic's located on the right hand side mounted on 2 heat sinks you need 2 STK392-110's you can get them plus picture installation instructions plus free online tech support at this link takes only about 45mins to fix
http://servicemanuals.vstore.ca/

Apr 25, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Toshiba 43A10 projection television


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 04, 2007 | Toshiba 43A10 43" Rear Projection...

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