Question about Toshiba 50HP66 50 in. Plasma Television

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My toshiba has a burn in image that appears as red pixels what can i do to fix it it is a 42hp86 plasma

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That's an image burned into the phosphor of the pixels and there's nothing that can cure it aside from replacing the entire panel.....

Posted on Oct 21, 2010

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What have a red image in the middle of our plasma tv what could it be and can we get rid of it


Hello nacoleray,
Does it look like a burned in image? If so and if you have a brand new samsung tv, it should a scroll bar that cleans out the screen. Go through the settings and this should fix it. If it is last years model or older you may not have this feature. Go to a channel that is snowy, scrambled picture and leave it on for couple of hours. This should some what make it better. If it is not a burned in image it could mean that you have dead pixels. Unfortunately this is not something you can just fix. I suggest contacting your manufacture. I hope this helps, if not give me a feedback. Good luck.
- Joe

Aug 31, 2011 | Samsung 50 in. Plasma TV

1 Answer

Whats the difference between a LCD and plasma


Answer: Outward appearances are definitely deceiving when it comes to LCD and Plasma televisions. Although both types of televisions are flat and thin, they employ different technology in an attempt to deliver similar results. Plasma TV Overview Plasma television technology is based loosely on the fluorescent light bulb. The display itself consists of cells. Within each cell two glass panels are separated by a narrow gap in which neon-xenon gas is injected and sealed in plasma form during the manufacturing process. The gas is electrically charged at specific intervals when the Plasma set is in use. The charged gas then strikes red, green, and blue phosphors, thus creating a television image. Each group of red, green, and blue phosphors is called a pixel (picture element). Although Plasma television technology eliminate the need for the bulky picture tube and electron beam scanning of traditional televisions, because it still employs the burning of phosphors to generate an image, Plasma televisions still suffer from some of the drawbacks of traditional televisions, such as heat generation and screen-burn of static images. LCD TV Overview LCD televisions, on the other hand, use a different technology (see also question #1 for this same explanation). Basically, LCD panels are made of two layers of transparent material, which are polarized, and are "glued" together. One of the layers is coated with a special polymer that holds the individual liquid crystals. Current is then passed through individual crystals, which allow the crystals to pass or block light to create images. LCD crystals do not produce their own light, so an external light source, such as florescent bulb is needed for the image created by the LCD to become visible to the viewer. Unlike standard CRT and Plasma televisions, since there are no phosphors that light up, less power is needed for operation and the light source in an LCD television generates less heat than a Plasma or traditional television. Also, because of the nature of LCD technology, there is no radiation emitted from the screen itself. Plasma vs LCD The ADVANTAGES of Plasma over LCD are: 1. Larger screen size availability. 2. Better contrast ratio and ability to render deeper blacks. 3. Better color accuracy and saturation. 4. Better motion tracking (little or no motion lag in fast moving images). The DISADVANTAGES of Plasma vs LCD include: 1. Plasma TVs are more susceptible to burn-in of static images. 2. Plasma TVs generate more heat than LCDs, due to the need to light of phosphors to create the images. 3. Does not perform as well at higher altitudes. 4. Potentially shorter display life span - this used to be the case. Early Plasmas had 30,000 hours or 8 hrs of viewing a day for 9 years, which was less than LCD. However, screen life span has now improved and 60,000 hour life span rating are now common, with some sets rated as high as 100,000 hours, due to technology improvements. LCD television ADVANTAGES over Plasma include: 1. No burn-in of static images. 2. Cooler running temperature. 3. No high altitude use issues. 4. Increased image brightness over Plasma. 5. Lighter weight (when comparing same screen sizes) than Plasma counterparts. 6. Longer display life used to be a factor, but now LCD and Plasma sets both have at least 60,000 hour or higher lifespans. DISADVANTAGES of LCD vs Plasma televisions include: 1. Lower contrast ratio, not as good rendering deep blacks. 2. Not as good at tracking motion (fast moving objects may exhibit lag artifacts) - However, this is improving with the recent implementation of 120Hz screen refresh rates and 240Hz processing in higher-end LCD sets. 3. Not as common in large screen sizes above 42-inches as Plasma. However, the number is growing fast, with 46 and 47-inch screen sizes becoming more common, and some LCD sets having a screen size as large as 65-inches also available to the general public. 4. Although LCD televisions do not suffer from burn-in susceptibility, it is possible that individual pixels on an LCD televisions can burn out, causing small, visible, black or white dots to appear on the screen. Individual pixels cannot be repaired, the whole screen would need to be replaced at that point, if the individual pixel burnout becomes annoying to you. 5. LCD televisions are typically more expensive than equivalent-sized Plasma televisions (although this is changing), especially when comparing EDTV Plasmas to HDTV-LCD Televisions. For a more detailed look at the LCD and Plasma comparison, check out: Should I Buy an LCD or Plasma Television?

Jan 18, 2010 | Panasonic TH-42PWD6UY 42 in. HD-Ready...

2 Answers

Toshiba 42HP86 Plasma TV. No picture, but sound is there


the same thing happened to our 42 HP86 red smow at the top than one day now pcture just sound... we took ours to a television repair shop and said we needed a power source wich would cost about $200 and another $200 for the labour so we were looking at a total of $486 plus taxes..... we still dont know what to do when we bought the tv it was $2000 back in 2004.

Jan 16, 2010 | Televison & Video

1 Answer

46 toshiba plasma has red tint in back ground


If you can see the red tint with every input source and also in the On-Screen Menu, then this indicates that the Green phosphor is burning off of the screen faster than the Red and Blue. This is typical of plasma screens. Even if you dont watch a lot of golf or football, green is the most dominent color and burns out of the phosphur pits(pixels) faster than the Red and Blue. Take away green, you are left with Reddish looking screen and Pink whites. This is not repairable.
If the Menu looks nice and white, check your source cables.
Good luck

Dec 30, 2009 | Toshiba Televison & Video

1 Answer

Red pixel cloud in plasma black


THIS IS THE START OF THE PLASMA GAS RUNNING OUT...PLASMA TVS ONLY LAST 4 TO 5 YEARS THE GAS JUST BURNS OUT....LCD TVS LAST ALOT LONGER UP TO 10 YEARS..

Dec 29, 2008 | Samsung PS42P2S 42 in. Plasma Television

1 Answer

I have a Phillips Magnavox Model number 42PF9936D/37. A red pixel looking 2" X 7" rectangle has appeared on the plasma screen and can be seen underneath the image. How can I fix this?


We chatted previously, remember to reseat the cables that go to the section of the screen that is distorted. The Y drive boards will be on the left side of the tv (when viewed from back) and there will be about 8 ribbon cables hooking these board to the plasma panel. If you can, look at each square black chip on the board. Each chip drives the picture (row - horizontally) so one chip may be blown causing your issue. It will likely have a small pin sized hole burned in it if bad. You can replace the corresponding board (upper y, lower y) to fix the issue. Hopefully reseating the cables will do it, for a part free fix. Let me know when you get the TV open and I'll assist more. Thanks again!

Dec 09, 2008 | Televison & Video

1 Answer

Plasma Display


call 905 565 6595 Ontario, to get fixed ur tvs.

Nov 06, 2007 | Televison & Video

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