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Steve Fierro Posted on Oct 09, 2016
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I have a Samsung PN50C450BIDXZA TV. It has two vertical white lines in the picture. Can you tell me how to determine which board needs to be replaced.

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Serge Lavallee

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  • Expert 75 Answers
  • Posted on Nov 01, 2016
Serge Lavallee
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Joined: May 25, 2013
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Hi,

It is the T-con board up the screen, or the screen itself. See a pro. Good luck,


Serge.

5 Related Answers

Anonymous

  • 179 Answers
  • Posted on Dec 01, 2007

SOURCE: Samsung 42" Plasma-SPN4235 screen problem

the panel itself has failed

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Karl Whisenand

  • 1554 Answers
  • Posted on Feb 18, 2008

SOURCE: Philips LCD model 26TA1000, vertical lines and blank white screen with no picture

it would be easier to find it stripped from a damaged set on ebay.
I see several there but need the part number to search
of course you may purchase that and find it to be the lcd driver.hopefully not.

Anonymous

  • 210 Answers
  • Posted on Sep 05, 2009

SOURCE: vertical black lines in samsung lcd tv

Hi,

Hardware related, needs an engineer as not a simple fix.

Thanks

Anonymous

  • 3 Answers
  • Posted on Dec 30, 2009

SOURCE: I have multi color vertical lines on my plasma

un plug 5 min

Anonymous

  • 10594 Answers
  • Posted on Mar 28, 2011

SOURCE: I have a Samsung Ln32A450c1d

Hi,
Basically it is problem of LCD Panel (screen) however some times T-Con board replacement fixed the issue (T-Con board is part of lcd panel but some part shop sell it separately). Main board is not related with this kind of problem.
Required T-Con board is available in ShopJimmy.com (click the link to view available boards)
If T-Con board replacement does not solve half screen vertical lines problem then LCD Panel will be replaced and it would cost approx new tv price.
Hope this info will help.
Thanks.

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Had colored vertical lines on my Samsung LED TV. Have replaced the main board as well as power supply board. I now get a uniform blue screen with no other images. Any idea what the problem might be?
If you have replaced the main board and power supply board and are still getting a uniform blue screen on your Samsung LED TV, it could indicate one of the following issues:
  1. T-Con Board: The T-Con board, or Timing Control Board, is responsible for managing the flow of video data from the main board to the LCD panel. If the T-Con board is damaged or not functioning properly, it can result in a blue screen.
  2. Backlight Inverter: The backlight inverter is responsible for powering the backlight of the TV. If the backlight inverter is not working properly, it can result in a uniform blue screen.
  3. LCD Panel: The LCD panel could be damaged or have developed a problem, causing the uniform blue screen.
  4. Signal Cable: The cable connecting the main board to the T-Con board or the LCD panel could be damaged, causing a lack of signal and a blue screen.
It's best to consult with a professional repair technician or the manufacturer for further diagnosis and repair. They will be able to determine the exact cause of the issue and recommend the best course of action.
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Yes, replace the tcon board, good chance it will fix it.
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Anyone know what board/s I may need to fix my Samsung HP-S4253??? I'm getting horizontal lines. Other than that tv works and looks good.
Its a little hard to tell by the picture but aren't those vertical lines, going up and down?...if so replace the tcon board or try cleaning the LVDS and ribbon cables in and out of it and see if that helps first
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Vertical white lines appear on the screen. Samsung provides the following information but doesn't say what circuitry they are referring to. Samsung says: DLP TV: I Have Vertical White Lines...
That answer I agree makes no sense.

Most of these sets have NO vertical hold and if did it will not cause the lines.

A brief educated guess:

Set has a main board that communicates and controls the screen--tests for that are not simple (checking waveforms with a scope and signal generator).

The model indicated here is a DLP that uses a lamp (let me know if model listed is not the one you have).

In DLP sets aside from main/digital board you also have a optical light engine---it processes all signal in and out to the screen.

Optical engines do fail and cause some simple and some complicated picture issues.

Some will even cause the set to "lock up" with a picture or strange looking screen---clue to this is you have to shut the set off by pulling the power cord.

The set may be old enough they do not really want to help you or even talk about it.
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If you have have 40 vertical lines 16 pixels wide: DDP1011 or BCA, DMD panel interference: Replace the DMD board.
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It's not connections. On that particular unit I would suspect the Digital board, Samsung p/n# Bp94-02084a or the Dmd board. Have you ever noticed the picture freeze?
In any event, sounds as though you're going in the right direction having a tech test it out, it gets highly complicated...
Not sure why he replaced the lamp - but maybe he found it was about to expire.
Good luck!
Bill
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