Question about Toshiba TheaterWide 52HM84 52" Rear Projection HDTV-Ready Television

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Toshiba 52hm84 My Toshiba has dark spots, not black and not pixels in various shapes and sizes. picture looks great but when it is a light screen these are obvious and abnoxious.

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  • Ruley6 Apr 10, 2008

    I have the same sort of problem, Toshiba DLP 52hm84. The screen has dark spots at the bottom of the screen. Not blacked out completely, just 10 times darker than the rest of the screen. Looked like a tire skid. Funny thing is the spots change shapes, so i dont think it's pixel related either. Have you fixed your problem or found the cause? Just wondering if it's fixable adn if so, how much it'll cost me....

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  • Master
  • 934 Answers

It's either signal board or light engine and unless you're really pretty good at electronics neither one is something you should tackle. I do have the service manual for this unit and I would be glad to send it.. Just drop me an email premtech@willapabay.org and make sure you include the model number as well as what it is you need.. I get almost 650 emails a day so it's really hard to remember who's email goes with what problem. :) Good Luck Bill

Posted on Jun 11, 2007

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Posted on Jan 02, 2017

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Spots all over screen


We will presume you have a DLP set that uses a lamp of some sort(no brand or model indicated here).

spots or dead pixels are usually a damaged optical light engine--there are ones where more and more appear.

A faint possible reason is dust is inside the optical light engine--seen it a few times but the spots are usually golf ball in size----high pressure air applied to the vents in the engine with set on in a dark room usually clears that up.

Jun 12, 2012 | Televison & Video

1 Answer

Small dark spot on right side of screen/lens, also showing up in photos.


Not a good sign I'm afraid to say. If the 'dark spot' is coming through into the pictures that means some pixels are not sensing light. They will look square shaped if you expand the picture on your PC.
If the lCD was faulty (or had some dead spots) this would show when focussing and taking pictures, but, would not show in the final picture.
I'm assuming you have cleaned the lens (just in case) there is a 'dirt' spot that a finger could have put there. (clean with damp soft tissue )
There is a Panasonic help site which I checked but most reported problems were USB connections and battery life etc .. Try it and ask anyway - can always ask -- Ray
http://www.retrevo.com/support/Panasonic-DMC-FH20-Digital-Cameras-manual/id/23641dj090/t/2/

Jan 19, 2011 | Panasonic FH20 Digital Camera

1 Answer

Dark spots on LCD screen


I hate to say it but what this is is contamination under the actual LCD glass. This propblem starts during the manufacturing process and can rear its ugly head over time or after running at high temperatures for long periods of time. It can also appear as dark 'tiger' stripes. There is nothing that can be done to repair this. If you have an extended warranty, the mfg should exchange the panel for you. If your warranty is up, take photos and contact Toshiba online and try to get them to cover this regardless. This is a mfg defect.

Jan 05, 2010 | Televison & Video

1 Answer

On my toshoba pc 17'' sreen I have black spot on the top corner and the bottom of my screen , is my screen diying oley one year old


There are two types of black spots. The first, I call bruising. This is a dark area on the screen that can vary in size and still allows for proper viewing. The second is a black dot. If it is a black dot about the size of the period in this sentence, it is a dead pixel. Most manufacturers allow for up to 5 dead pixels before they will treat it as a problem. In either case, dead pixels and bruising are more of an annoyance than anything. I have seen screens with both issues work for up to 5 years under these conditions. They will eventually fail but how long it takes it to fail, is anyone's guess. There are numerous outlets for new or used screens. If you plan on keeping this for a while, I would recommend contacting the manufacturer to see if they will do anything or pick up another screen and have it on hand to replace it if it should fail.

Dec 25, 2009 | Belkin Computers & Internet

1 Answer

Black spots on screen in the top corner and bottem of screen


how big are the black spots? are they pixel size? i have one black spot too but its called a "dead pixel" when ya buy laptops these days, sometimes...they will have a dead pixel gaurentee for like 25 dollars, but i didnt choose that so now im stuck with one annoying dead pixel on my 5 thousand dollar laptop but im fine with it i guess. when my screen gets bad, im rich enough to just replace the whole screen anyway. dead pixels cant be fixed i dont think just replaced by the whole screen.

Dec 25, 2009 | Toshiba Computers & Internet

1 Answer

Dark spot on right side of LCD screen in the shape of Illinois has appeared gradually over the past few weeks. Very noticable between commercial and when news channels show graphics/slides. Pixels are not...


In most of the case, the problem is a defective display LCD panel, this problem in some terminology is called PIXEL RETAINING, it means the pixels are locked up, there is no good permanent solutions for it, you have to change the LCD panel.

Jun 02, 2017 | Vizio L32 32 in. LCD HDTV

1 Answer

Dark spots on my JVC 61" tv


dark spot could be a faulty led. if you put a program on that is in white screen you should see all the leds light up the screen. dark spot will be were the led is not working. if on white screen and they all lite up but still dark around the area, it could be the lcd screen. and could be dying pixels. and try this video https://youtu.be/wlA2rcrAOCs

Feb 10, 2018 | Toshiba 55H70 55" Rear Projection...

1 Answer

Black spot


Could be water. It will dry out if it is after a while.

Jan 18, 2018 | Toshiba TheaterWide 52HM84 52" Rear...

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