Question about Samsung LN46D630 46 inch LCD 630 Series TV

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Green vertical lines & screeching noise - Samsung LN46D630 46 inch LCD 630 Series TV

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If you wish to get some details; check the site linked here. Pull up older posts.Surf the site with patience.http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts.It will make surf easy.

Posted on Feb 26, 2015

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Posted on Jan 02, 2017

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When powering on a samsung tv LN37A550O3F TV I get a green screen with lines and screeching noise. What is the cause?


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size

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I have a Bravia KDL 40BX421 that suddenly has green vertical lines on the bottom 1/4 of the screen. These lines are in a background bar that is mostly a reddish shade.


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www.avsforum.com/.../1127410-thin-vertical-lines-cover-screen-samsun...

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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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Samsung TV started Green Vertical Lines screeching sound tv turns off and cable box resets up to 15 minutes before clear picture and sound work.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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LCD HDTV turns off, displays lines & static w/ loud noises


check in your manual and follow instructions on updating the software. you download the file to computer then move it to a memory stick (USB), then simply insert it into the tv

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Green/blue vertical lines, no pix, screeching


This is a cap problem too.There is a third 1000 microfarad cap near the other 2 I would suggest you replace while you are in there.The instructions are very good and if you follow them carefully it should be an easy repair.If you have a friend who does some electronics and are unsure of your ability it will be duck soup for anyone who can solder.

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SCREECHING AUDIO


My Vizio (don't know model # off hand, 32" bought at WalMart in Jan), is doing the same thing. It did it once the day I set it up; thinking it was just a glitch or something about my lack of knowledge with HDTVs, I powered it off (the hard way, yanking the power cord, as it won't turn off any other way) and restarted it, everything seemed OK. It did it again around April, same thing, just a glitch I figured. I changed some cables, attached more devices, and it has been doing it about twice a week now.

Sometimes it is the full video lockup, with vertical green lines, and full blast audio screech. A couple times it has only partially locked up the video (green vert lines, but still some movement), and no audio screech. Did it last night most recently, hence my google search.

Anyway, my point is, this is probably more common than we were both thinking, and they know just from your description what the problem is. I would try to have them repair such a known-issue free of charge, even out of warranty.

Jul 19, 2008 | Vizio L32 32 in. LCD HDTV

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