Question about Toshiba 57HDX82 57" Rear Projection HDTV

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I have red and blue lines on my 57inch Toshiba projection TV. They are not straight lines but rather look like some one scribbled these lines on the screen with a color marker.

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Bad convergence. See my tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics for help with this problem.

Thanks for using FixYa and for the great rating.

hardrocko

Posted on Sep 07, 2011

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6ya6ya

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Posted on Jan 02, 2017

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Touch focus error red line not straight


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video or dead set) 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. In some cases the TV will also not show any video. 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.


7859b01.jpg

e87380c.jpg

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.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can get the correct parts, step by step photo instruction guides, and support from www.TvRepairKits.com or click here

Apr 30, 2011 | Toshiba 57H81 57" Rear Projection...

1 Answer

The tv has red images, I cannot get the red convergence line vertically to straighten, it is squiggly, the horizontal is straight, and the blue and green lines are both okay


the 43h71 has a pair of convergence ics that commonly go bad and cause this problem. replace original stk392-110 with stk392-120. the upgrades have a collector rated at 4 amps vs the 110's 3 amps and should be more reliable.

also know that they hyperboard in this set can cause squiggly lines throughout but will not affect the convergence.

Jul 06, 2010 | Toshiba 43H71 43" Rear Projection...

1 Answer

I have red and green lines with a 3d effect on my screen at the bottom


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 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 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 21, 2010 | Toshiba 46H83 46" Rear Projection...

3 Answers

Arched lines in dark screens whether it's Cable or DVD playing Model number: KP-57WV600 Sony 57inch rear projection TV


Ur convergence it dead.Do u know how to solders? Tries these websites. Tv repair World.com or Tvrepairkits.com have it.Buy a convergence kit used what in that kit ur tv well get back to normal.The shop will cost u $300 for parts and labors.

Jan 01, 2010 | Sony KP-57WV600 57" Rear Projection...

1 Answer

Double Picture


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s

Jan 05, 2008 | Toshiba 42H83 42" 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...

1 Answer

Red light


Here is a "dime"==STK392-110 IC's need to be replaced.Then convergence in servicer mode will make all the lines straight. NOTE:Please give your tv model # next time!

Oct 02, 2007 | Philips 9P5544C 55" Rear Projection...

1 Answer

Blue ghost


If you have the ability to work on solid state electronics and know how these circuits work, you will need to replace the convergence IC's in this TV set. If you do not, call in a pro to assist you in this repair. Good Luck

Jun 20, 2007 | Toshiba 43H71 43" Rear Projection...

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