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I have a sansui 46in led model number sled4680 and the screen is darker on one half and brighter on the other side. Dose anyone know? what is wrong with it and how to fix it?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Shadowing on right side of TV

i had the same problem. it was the small mirriors (light tunnel)only one or two of the four mirriors have the tape. mine only had one taped. one of the other ones came loose blocking the light passing thru the tunnel on that side. you can fix this yourself (if like mine you are out of warranty) but it does involve taking some of it apart to get to the tunnel. then remove it and glue or epoxy it in place. mine has lasted for two months so far.you can go to www.avsforum.com and put in samsung shadow on screen it discribes the repair(alot of pages, it happens alot)

Posted on Mar 26, 2008

  • 3422 Answers

SOURCE: New lamp, half screen is bright the other half is much darker

HI,

Please replace the bulb..

Posted on Jul 12, 2008

PJBHOi
  • 15 Answers

SOURCE: Right half of Inspiron 1521's screen is dark

they there, it could already be a problem with the LCD if you stil have warranty call dell at 1 800 822 8965 - or try this hold down Fn then press the power button it will run diagnostics on your pc. if its still the same under diagnostics then it only means your LCD needs to be replaced.

if this helps please rate..

thanks
PJBHOi

Posted on Mar 12, 2009

  • 1 Answer

SOURCE: LG Flatron w1952TQ screen half darker on right side

Try clicking the auto adjust button on the screen. If this doesn't work it may be in demo mode, so click the fENGINEbutton on the monitor and make sure it is selected on the normal setting.

Posted on Oct 01, 2009

  • 2 Answers

SOURCE: Screen Half darker

Try also resetting the your monitor back to factory settings from the forteManager software that comes with it. It's under Options, Restore. I had a similar problem and this fixed it for mine.

Posted on Jan 06, 2010

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Vizio 55" E55-C2 LED backlight issues. Was working fine until one day half of the screen's backlight stopped working and so half of the TV shows good and the other half is darker. Tcon or LED driver?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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I have a 46in lcd Vizio and the picture on it has distorted. The right half of the screen is fine but the left side is much darker and has a lot of motion blur.


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2 Answers

Screen Half darker


It sounds like your backlight isn't working properly. LCD screens have backlights that illuminate the colors produced upon their surfaces, so that you can easily see the screen without an external light source. In your case, it sounds like your backlights either aren't cailbrated, are damaged, or were produced unevenly.

There is most likely not a fix for this, though most all LCD screens have some form of light distortion. My own LCD screen is slightly brighter around the edges, where the backlights are located, but this is only noticeable when displaying a completely black screen.

Jun 22, 2009 | LG 22" FLATRON LCD Monitor

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Picture


I believe that the board/chip which controls the LCD is defective. I have never seen this but this is the only thing that I know that would explain your problem. Probably going to need a tech to look at it to verify.

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