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Toshiba 42H81 Blue crt is flickering occasionally and I have to constantly adjsut the blue color intensity so the screen isn't overly blue. Any help would be appreciated.

Posted by Josh Hussey on

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Anonymous

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I had a similar trouble not long ago.. it was the digital conv. board .... it'S was rather expensive at about 345$ canadian w/o the job... it's your call, but my last customer didnt want to shell out the money for this kind of tv..... sorry fir the bad news

Posted on Aug 10, 2007

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Philips 30PF9946/79 flickering pixel problem: the right side of the screen constantly flickers straight blue lines .. The left side does the same in a subtle way.. I'm not sure if tv's have graphics c
what is the model# and, make of your tv;
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Feb 18, 2013 • Televison & Video
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I had to adjust the brightness to 100% and you can still barely see it and it has a blue tint
This TV is CRT driven and when the brightness is a issue you would need to diagnose the Blue CRT and or the Fly back transformer.

Many times the transformer is not providing enough power to that CRT witch can cause this to happen.

Without the TV in front of me it would be difficult to pin point.

Also you would want to consider if the TV is out of Focus thus causing this blue tint, Here is a on line part store that can help you in purchasing the parts for the tv if your interested in Do It Yourself repair.

http://www.partstore.com/Model/Toshiba/Toshiba/42H81.aspx?p=4&z=50&c=3b663bdcbb0b5634f5cc800d37496d25&bs=Category&bd=Asc&ms=Category&md=Asc&k=#1

First if the TV is not illuminating with the brightness function you would consider at this point the TUBE "CRT" or the Fly back witch drives them.

Thanks for your questions

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

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Dec 13, 2010 • Toshiba 42H81 42" Rear Projection...
1helpful
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Screen turns blue after 5 minutes of operation
Hello, the blue color if excessive in intensity is due to a probable HV block, intermittent blue amp. or an intermittent K to A internal short in the blue CRT. either one of these circuits will require diagnostics done by an electronics tech. Repair cost of either one of this problem will run over 390 dlls, a lot more if the problem turns out to be a defective CRT. Hope this helped.
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Jun 21, 2010 • Sony KP-57WS500 57" Rear Projection...
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Toshiba rear projection tv has red and blue on the tv
Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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Mar 24, 2010 • Toshiba 42H81 42" Rear Projection...
1helpful
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Hi: My acer56c is eight years old and humms while turned on as well as getting the horizontally linear blue occasional flash across screen.The colors when turned on are not 'initially' accurate(Orange...
if its a CRT monitor then you wont have a problem, the all get decrepid and loose color flicker then eventualy die.
i say use it till it dies then get a new one or get a new one befor it dose damage to your eyes, a nice TFT screen will do.
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Jul 03, 2009 • AcerView 56C (White) 15 in.CRT...
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2002 Toshiba 42H81 color blue will not align
one of the amplifiers on the convergence circuit is not working
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Dec 02, 2008 • Toshiba 42H81 42" Rear Projection...
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Blue Screen
i get a blue screen when i have no input so check the lead
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Jun 04, 2008 • Toshiba 42H81 42" Rear Projection...
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60" Philips Projection... Erratic red color.
I will try to help on this one.
Stay tune.
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Mar 20, 2008 • Philips Magnavox 9P6034C 60" Rear...
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TOSHIBA REAR PROJECTION TV 42H81
FIRST DO MANUALY (THE ALIGNMENT OF CRT'S)
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May 12, 2007 • Toshiba 42H81 42" Rear Projection...
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Update to flickering screen on Toshiba 42H81
How did the repairman prove the blue CRT is bad ? Did he cover
the CRT leaving a good red & green video with no flickering or did
he cover the red & green and observe the flickering in blue...?
Did he discuss the hyper module with you ?.........T.
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Oct 24, 2006 • Toshiba 42H81 42" Rear Projection...
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