Question about Proscan PS50700 50" Rear Projection Television

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Screen goes dark

TV cycles from the correct brightness to dark,almost unable to see picture on the screen.  Does this non-stop.

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  • jlancaste377 Feb 10, 2009

    Background Dark and won't adjust.

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Posted on Nov 16, 2008

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1 Answer

My tv screen is to dark how do I lighten the picture


If your TV has already fully adjusted in brightness set up?, and there will be no good picture results?...try to adjust the "SCREEN-Screw" at the flyback slowly. If the picture still dark'?. the picture tube has need to rejuvenate.

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Dark picture means you have low brightness on the screen. Please increase the brightness. Also try increasing the back light intensity.

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that would be a failing tcon board on the back of the screen.you would need to replace this part but they are available on ebay the part number is on the tcon board. match the numbers a version number to get the matching board for the screen. tcon board is the board were the main wire cluster goes to the screen board this is the tcon board.

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The picture frame still scrolls pictures but the pictures are very dark and unable to be seen well. Is the frame ruined?


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Tv to dark but unable to find remote control. Can it be adjusted manually?


There should be a button labeled as "menu" press it and then select either picture or screen adjustment, go to brightness and set it higher for a lighter image

Apr 22, 2011 | Proview Televison & Video

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Some channels on my tv are dark and tinted orange, I used the menu button to display the menue and scrolled down to picture but I did not know how to select picture.


Hello
Adjust colour control to zero, and check for a pure black/white picture. Adjust contrast and brightness control to minimum and check whether the picture goes completly off or a slight picture prevails. If the picture goes out when you turn down brightness control to 1/3 position, that is about 20 points, your TVs screen voltage is very low, and it can be adjustable. If the picture does not go out and more brightness prevails, screen voltage is high. If the screen voltage is high, there will be some fine lines across the screen at about an inch apart; on the whole screen from top to bottom.
Screen voltage adjustment is critical for the clarity of the picture. If it is low, no proper colour will be dispayed. If it is high, it is harmful to both picture tube and your eyes.
Never try to adjust it without proper knowledge about it. The screen control can be located alongwith the LOT [Line Output Transformer], of your tv. There will have two adjustable controls there, one is for Focus, and the other is for Screen. Both are interactive, that is adjusting one will effect an other.

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Sylvania tv srt2232s picture is dark. i have used the remote gone to pictureand still unable to adjust brightness. need your help to adjust brightness. What do i need to do to change the brightness


Hi
Remove back fron tv locate line flyback transformer
on this transformer there should be two adjustment controls very carfully adjust the bottom one, do not adjust to far as picture will have fine white lines on it

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Our Mitsubishi WD 52525 goes to blue screen and shuts off.


It sounds like you TV is overheating and the video is suffering and the lamp is overheating as well. Also, if your TV is over 2-3 years old, the mirrors (behind and below the big front screen) desperately need to be cleaned. Clean all filters and fans as well. (Look on side and behind the unit). Is the TV in a "hot" environment and/or dirty environment? DLP TV's are NOT sealed units. They need to be cleaned every few years to work well to have a good, clear, bright picture.

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