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I have a samsung 40 inch tv that has pink lines

I have a samsung 40 inch tv that has pink lines going across it that move up the screen and it is humming when lines appear

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Seems and sounds like the main board fault. Will be best to contact the authorized service centre for Samsung. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.

Posted on Mar 26, 2014

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Posted on Jan 02, 2017

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SOURCE: 40 inch lcd blue line vertical

The display screen is made of a matrix of elements connected to cables along the side and top. On your unit, some of these many, tiny connections are making contact intermittantly thus losing the elements in that area. These contacts are held in place with just pressure and if that is disturbed, you lose that line of elements. Try squeezing the cabinet of the TV on the outside at the top in the area of the loss and see if that makes a difference. May have to go inside and see if the contact assembly is disturbed or warped or something.
Hope ya fix it!

Posted on Jan 06, 2008

  • 103 Answers

SOURCE: samsung hpr4252x perfect picture in

You have a burn in problem from watching widescreen movies.If you have access to a signal generator or tv setup disc run a perfectly white screen on the plasma for about 30 min.This should help even out the pixels on the display.

Posted on Mar 05, 2008

  • 2 Answers

SOURCE: samsung 26inche lcd tv has a blue thin line acrross the left side

call the repair guy, he will be able to diagnose, prbably a bord problem.

Posted on Dec 23, 2008

zjut
  • 106 Answers

SOURCE: thin black line

Try to replace the YSCAN board. If not fix it, then it's the PDP Panel failure.

Posted on Jan 07, 2009

  • 304 Answers

SOURCE: Pink and green lines and double picture.

Replace the main bd. Have a trained Samsung tech troubleshoot to confirm.

Posted on Jul 17, 2009

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1 Answer

How to fix horizontal lines appearing on my Samsung TV


its a screen fault
if lucky and you can get one
one of the electronic boards inside the TV needs replacing



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First of all try, changing the input device to some other and see whether you see the same problem. Then connect your present input to a different TV and see. If you feel the input is ok, and it is a problem in the display, this is a case to be handled by a qualified service technician.

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Considering it is a 32 inch set and costs now under 300 dollars it may or may not be worth fixing.

To give an educated guess: either whatever it uses for an inverter board may be bad or damaged OR even the main board that processes all signal into or out to the screen may have either a bad connection(unlikely but possible) or be causing this.

A fatal issue could be something wrong in the screen unit (panel) itself.

I gather set is not under any warranty at this time.

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ARE THE LINES GOING UP AND DOWN OR LEFT TO RIGHT?
UP AND DOWN LINES MEAN YOU NEED A NEW PANEL.

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