Question about Samsung LN52a750R1FXZA

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Dark Screen When I turn on TV the left side screen is dark and blurry. TV warms up left side screen blurry, has trails. Left side looking at TV. Rest of TV screen seems a little darker. Found the other day when I cleaned the screen it went to normal after a few minutes. This did not last after turning TV off. Any idea's

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  • Samsung Master
  • 74,185 Answers

It sounds like a back-light problem. Check all the CCFL back-lights.

Posted on May 08, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 2509 Answers

SOURCE: I have a samsung 1080 full hd 38" flat screen tv,

I think the backlight is failing, you will need to have it replaced. It is also possible that the backlight inverter (power supply) may be faulty but that usually shows up a fault. I think it unlikely that the screen itself has failed unless it has been subjected to pressure damage.
I hope I have been of help but please do not hesitate to ask if you have any further questions.
I appreciate your vote if you appreciate my reply.

Posted on Mar 01, 2011

eagle338
  • 4889 Answers

SOURCE: I have a Samsung HDTV (LN-T5271F) approx 4 yrs

Do these bands appear even when no input is connected to the tv? It will help us isolate whether its an LCD controller problem or a problem with the video processing circuits

Posted on Feb 20, 2011

  • 1039 Answers

SOURCE: Very slow to turn on and has small light spots all over screen

The first thing to look for are swollen capacitors on the power board.replace them if so.

Posted on Sep 12, 2009

  • 132 Answers

SOURCE: When I turn on the tv, the left side of the screen

It sounds like you have a bad slave inverter board. I've fixed a few of them with the same problem and it's always been this board. With the back off of the tv, it will be the board located all the way to the end where the problem is. It will have several wires going from it to the screen. You will probably have to get the part number off of the board to be able to find one, as I couldn't find one by using that model number.

Posted on Sep 02, 2010

welcomejee
  • 10594 Answers

SOURCE: Samsung 46" TV. Model

Hi,
This is problem of lcd panel (screen) that is going bad, however, in few tvs, T-Con board was defective that is also part of lcd panel but available separately, t-con board is located on top center of lcd panel at rear side, replace it that might fix tv problem.
Required t-con board is available in ShopJimmy.com for $73 (click the link to view board image and price info) and call local tv repairman to replace it if you are not handy with electronics stuff repair or have no prior experience.
If t-con board replacement does not solve the issue then lcd panel (screen) will be replaced but it would cost you approx new tv price.
Hope these info will help you.
Let me know if you have additional question.
Thanks.

Posted on Nov 21, 2010

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