Question about Sharp LC42SB48UT 42 in. LCD TV

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I have little white spots on my 70 inch sharp tv only on white pictured scenes. like snow. There are about 25 of them burnt into the screen. any thoughts?

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 33 Answers

SOURCE: Sharp aquos hdtv has sound but shows a white screen

yes and no. That particular tv you have is done for, but if you just purchased it 6 months ago, you are still within you 1 year warranty with sharp. they will ask you to take it to a authorized service center and you need to follow through with the process. about a week or 2 will pass and the service center will deem the unit unrepairable and sharp will replace it if they cant solve the problem. give em call..good luck 2u

Posted on Feb 19, 2009

  • 50 Answers

SOURCE: TV Screen Dims during dark Scenes

Most likely you have the opc feture on. go to the menu under picture setting first option should be to turn on or off the opc. turn it of and should solve the problem.

Posted on Mar 18, 2009

  • 11 Answers

SOURCE: half my screen is soild white the other half is perfect

The display has a full screen, with one half ok and one side real dark, It's the display that's defective. Not repairable.

Posted on Jun 18, 2013

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1 Answer

I have several white spots appearing like snow on my Sharp 70" screen. How can I correct? Is there a pixel problem with my TV? I have only had TV for over 2 years.


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/. Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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The spots are part of the transmitted signal. Normally they are masked so you don't see them.

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Hi Brandon,
I am afraid that the dark spot in the screen is not repairable. Manage as long as you can or go for a new tv.

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Snow in picture


bad aerial connection or weak signal

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If blue-back option is OFF, it is normal to see snow on screen, when there is no RF signal. This is not a fault.

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getting white spots on screen and more as time goes on? Damaged or bad optical light engine.

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you may have a solder joint or an electronic part that is beginning to fail. have an electronic expert look at it.

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y sustain board needs adjusting or replacing

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