Question about Samsung LE40R73BD 40 in. HD-Ready LCD Television

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The screen goes black on the right side and then goes back when warms up

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You probably can see the bad caps on this board, once open the problem would be on the right side, or the Y-sus board, if you open check for capacitors leaking or bulging out. also you tube have videos on how to fix

Posted on Dec 31, 2010

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How do I fix my Samsung LN52A580 TV as the right half of the screen is totally black (even thought I get sound and picture on the left hand of the screen)?


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1 Answer

My 55ld520 screen goes black, turn off for short time comes back on but then goes black again.


Start simple by using different cables, whether they be HDMI, VGA or standard COAX cables. They could be losing the connection. Also, it's possible the power supply is wearing out and it gets too hot. You might want to simply try some spray air duster type thing to clear out any dust that can make it hot.

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Samsung TSL2793HF - Slight Right Side Pincushion and Horz Line Bottom to Top Until the TV Warms up


Yes, this is rare but I have seen it before--not fixable if it is what I think it is----It is what is called a Dome effect---the shadow mask in the picture tube is actually contracting and or expanding depending on temperature---

Directly behind the phosphor coating (the stripes that you see on the screen) is a metal screen--the holes or perforations in it line up with the stripes on the phosphor screen.

Some masks either have a material or a defect causing the dome effect----Not likely to be anything else---a Pin amp problem will not usually act the way you describe but a shadow mask inside the picture tube will act exactly that way.

Dec 02, 2012 | Televison & Video

1 Answer

Display half of screen


screen back light on the other side is busted which need replacement.

Jul 14, 2012 | Computers & Internet

2 Answers

42lh3000 Right half of screen is black but goes better when warms up, still flickers at times, how can i repair this? The tv is about 2 years old and never had a problem with it before, the sound is great...


I have fixed an LG 42LH3000 with this very problem. Large TVs have a tendency to flex and bend ever so slightly when being moved or through heat, this can affect the connection of the ribbon cables at the top of the screen - either at the end where the Tcon board is or where the screen driver board is. When one end of the cable loses contact, half the picture goes (there are two ribbon cables. one for each side of the screen).
Remove the cables then carefully reattach them. If you still have an intermittent problem would suggest leaving the screws out of the T-con board as this will give the ribbon cable more slack.
Don't attempt any of this unless you know what you're doing - risk of damage to screen if handled indelicately also risk of fire when plugged back if the ribbon cables aren't secured properly.

Dec 19, 2011 | LG 42LH3000 42" HDTV LCD TV

2 Answers

My daughter bought a Polaroid 4GB PMP280-4 player she has somehow darkened the screen and now cannot get it to light back up other than when it turns on it shows the loading screen and goes black, how do...


This is tricky. You will have to navigate through the menu in the 'dark'. Remember that when you touch the screen, double touch as you would when you click your mouse. Turn it on, you will see the 'Polaroid' logo and then it goes black. Here you need to double touch in the bottom right corner. This is the settings, it is a big box so dont worry about missing it. Then you double touch on the middle of the left side, this is the display. Then double touch on the lower right side. This is where the brightness bar is. It should reboot the page with a brighter screen and the black goes away. If dont see results, turn it off and try process again. Promise this works, I fixed both of my daughters!

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1 Answer

I have a 56" DLP Samsung (HLR5668W) Right side goes solid black


The color wheels will never fix an issue like that. The only things that will cause that issue is a bad DMD board which is part of the light engine or the digital board which is not. Freak Squad need to replace the digital board.

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1 Answer

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You need to give me a few more details,is the screen blurry on one side,and brighter on the other?,two, are you using a some special graphics software that might not be ment for your computer,you should plug a monitor into your laptop to see if it gives the same affects,and press the window or function key, and one of the monitor symbols on your keyboard at the same time(,they are coloured the same as the function key),to change your main screen to a plug n play one,if the screen comes up with the same affects then it is a software problem,you might have to uninstall the software that is causing the problem,or two if is comes up perfectly,then it might be a hardware problem,you might have to bring your laptop to a pc mechanic to be degaussed,this puts a charge on your laptop screen and it costs more to do than replace one,most plug and play monitors can degauss them selves,others need to be done manually,unfortunately laptop screens have to be taken apart to be degaussed,i know its silly.if its not blurry then it cant be hardware problem.its one of your graphics settings.

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