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I have a 2 year old LCD Samsung that displays horizontal shadowy bars across the screen (top to bottom) mainly when it is cold. What gives?

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Possibly you may have some bad capacitors in your power supply --if not it may be a tcon board

Posted on Feb 06, 2010

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Jan 05, 2016 | Samsung Televison & Video

1 Answer

My Samsung tv has thick horizontal line across top of screen


Check the LVDS cable that connects its T'Con board to display panel for any loose fitting at the both end of its sockets. Re-seat them once and check. This is not a problem with any capacitors. If you wish to get more details, check the site linked here. It has screen-shots to some faulty screens to LCD TVs. Compare them to that of your TVs' and make sure. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by its left side bar, or view it in Timeslide option.

Jul 02, 2013 | Televison & Video

1 Answer

Our three year ol Samsung TV has dark horizontal lines across the top of bottom of the screen. It is getting worse


Welcome to fixYa!

When you see lines like these across your LCD, it indicates a problem with your monitor's electrolytic capacitors.A faulty filter capacitor in the power supply board (SMPS board) can cause horizontal lines across your monitor screen.Horizontal screen lines are one of the most visible problems I see in LCD monitors & TV's that are 3-7 years old. It can happen as much from heat, humidity & less-than-ideal operating conditions, as it can from fluctuating current supply or manufacturing defects.

The way to repair horizontal screen lines is by removing the capacitors from the printed circuit board (PCB) and testing them with a LCR meter.

If it shows zero, there's your confirmation that the specific capacitor needs to be replaced.

now if you can replace them your welcome but i wont suggest that , cause you may break it more....!

any ways do comment if it helped you in any manner!

Apr 30, 2011 | Samsung HL-R6168W 61" HDTV

1 Answer

I own a 5 year old 40" sony bravia lcd tv, When


This sounds like what I managed to do to my screen, even though I knew better. Is there any chance you layed the screen face down at some time?

Even though you can still watch it OK, you probably have hairline fractures in the screen face (NOT the screen itself- be thankful for that- the cracks are in the screen coating). LCD screens are a very thin glass laminate with a thin protective glass-like coating. When they are laid flat (like I did to connect cables) if the screen bears any weight, microcracks develop on the front of the screen.

I am sorry to say that the effect is permanent.

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1 Answer

Screen display mode


Because the broadcaster is giving you the bars at top and bottom there is nothing you can do except use the different aspect or screen formats that are on your TV. Please take a few moments to rate my answer. Thanks....

Nov 20, 2009 | Televison & Video

1 Answer

Horizontal bar of green tint the moves from bottom to top of screen


This may be a power supply fault, and what you are probably seeing is some switching noise breaking in through the display processor, or possibly the input processor. Because of the fact that the bar is moving, this means that the sequence is not locked to the main processors.

You should contact the place where you bought the set and speak to someone about an exchange. A one day old set should be exchanged right away, and I would argue that fact.

I don't want to mention any name brands, but I would have gone for a company that also manufactures TV broadcast and industrial TV equipment rather than one that manufactures appliances.

Jerry G.


Jan 29, 2008 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Display shows a set of black bars


tape guides are out of adjustment, need to have brought in for service.

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Purple bars across the screen?


Unfortunatly This is a manafuctaurer defect. your panel is bad and will need to be replaced by a technician. I know it isnt want you wanted to hear but the F modelf year for samsung is very bad for this. beinf the 61F, 65F, and the 71F. Hopefully you are in the return policy still for the TV

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1 Answer

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If the set is less than a year old and having a problem, then, it is covered under warranty. Does it happen when watching something in analog? Does it happen when watching something in High Definition? I think the diagnosis would be helped with a picture of the problem. For a servicer in your area contact: 1-800-Samsung.

Jun 23, 2007 | Samsung LN-S2651D 26 in. LCD Television

1 Answer

LN-T4665F 46 in. LCD- Black Line across screen


The set is under a year old and is under warranty. The LVDS cable inside these sets have a history of coming loose. The problem could be the panel. Either way, the set is the problem and needs to be looked at. This set is worked on in the home and does not need to be taken to a shop, so, you can still use it. Contact Samsung at: 1-800-SAMSUNG Hope this helps.

Jun 03, 2007 | Samsung LN-T4665F 46 in. LCD Television

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