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I have a Toshiba 56WH08B Rear Projection TV and the colours are

The colours on the screen are wrong, the red overshadows the yellow, everything else is just fine, I have been told it is probably a tube (1 of 3 ) which has gone, I am an Electrician, is this something which I could fit without too much hassle and if I inspected the inside would it be obvious if the one of the tubes had gone faulty

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5 Suggested Answers

premtech
  • 934 Answers

SOURCE: colour problem on rear projection tv

This might be something really simple... In a large number of DPTV310 chassis, of which this TV is, the yoke connections where put in place with black electrical tape just below the retaining rings. Job is to loosen the rings, remove the tape and push the yoke back in place and tighten down retainer.. Be careful not to throw off the tilt of the yoke. The adhesive on the tape, over time, gets hot so many time it becomes slippery and allows the yoke to fall away from it's position dulling the look of the image (or focal length) causing the problem you're describing here... It also throws off the convergence - so in attempting to converge it just looks worse. Good Luck Bill

Posted on Jun 11, 2007

SOURCE: Toshiba 53AX61/ have sound no picture

I have the same problem with the same Toshiba 53ax61 the picture does not work anyone,

Please email me at skyhawkbasketball@hotmail.com

Posted on Jan 27, 2008

redhead7377
  • 51 Answers

SOURCE: SONY KP-46C65 PROJECTION TV

we have repaired 100s of these tv..most have a flicker issuse and it is getting hard to find replacement tubes. the cost sounds right...I suggest to invest in a new tv.

Posted on Sep 09, 2008

okcfirewall
  • 80 Answers

SOURCE: Thomson Scenium 52''Rear Projection TV set -

you have a laser that has gone out blue or green take the face off and see which of the colors you need you can still find lasers on ebay if you need one but it will require someone with a little expertise to replace them. if this is not for you then its time for a new TV this is probably the best option its more expensive to fix in most cases than to replace..........I hope this helps

Posted on Jul 20, 2009

texasdan
  • 60 Answers

SOURCE: replacement of the green lamp(picture tube) in a

You can probably purchase a smilar set on Craig's list for $300.00, at least that's what they go for in the Austin Texas area.
A new tube may be too expensive and difficult to replace.

Posted on Sep 13, 2009

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Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.

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Please check out this link for manufacturer information:

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I believe the blue lamp in my 57H81 is going bad.


You need to replace convergence out chips in your Toshiba 57H81 tv by qualified tech because 3-D look picture in rear projection tv shows some thing wrong with convergence output chips.
Your tv model number shows it is rear projection tv that use 3 tubes to make color picture on front screen where as dlp tv use one lamp as back light source to present picture at front screen that is generated in light engine.

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Not sure if this will help...

Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:


  • Screen Looks 3D
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Problem #2 CRT Fluid has clouded over. Symtoms

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You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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

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

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How to fix?


Are you sure you have not mis-plugged your component leads, and what source are you seeing this from (PS2, DVD player, etc)? You are describing what would happen if you happened to accidentally connect the Y to the R channel, G to B, and B to R.

If you are getting this from an S-Video or Composite input instead, let me know and I can look at it in greater detail.

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