Question about Samsung Televison & Video

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How to repair my Samsung TV? When the TV is turned on it powers on and off non stop until unplugged.

Model: ln52a650a1fxza (6 years old) * 3 years ago tv turned off and on. Samsung sent repair man to replaced capacitors. TV worked fine for 1 year * When we watched high definition movies or channels the TV would make a loud sign and turn off. We watched non HD channels for 6 months. * 3 months ago TV made load noise and shut down. Starting turning off and on by itself. Bought new power board. TV worked for 1 month but still could not play HD channels. Capacitors look good. * Yesterday I asked my wife if the TV was working fine. That day made a loud noise and turned off (sounded like a siren). When you now turn it on TV cycles on and off. Must unplug. * Capacitors look good (not blown). Do I replace the mother board, TConn Board, Whats the easy way to diagnose.

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Hi, the motherboard could have been affected. Since you have ever replaced the power supply, its better you get a new motherboard.

Posted on Jan 12, 2019

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From the sounds of it you should look into a different set .

Posted on Nov 16, 2015

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I have a 65 inch Samsung LCD. 5 years old. Recently if tv is on for over an hour and I turned it off. It won't turn on unless I unplug TV.


If its a LCD set and over 6 yrs old made by Samsung it would might some Cap-xon capacitors in the power supply that were prone to failure, replace the PS board or you could repair it yourself for under $5.00 if your handy with a solder iron and have some general electronic skills...Good luck

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I have a Samsung LN52A650A LCD TV that 3 years old. Today when I go to turn it on it just clicks and does not turn on. The clicking wont stop...it clicks about once per second. I have to unplug the TV to...


The tv power supply board have dead components parts call capacitors most likely.U have all the tools and understanding basic electronic also can do basic soldering too?The tv power supply board that the board where the power a/c cord plug into it.Take the tv aparts and check the tv power supply board carefully for dying and dead capacitors parts.These capacitors parts are alway bulges up or puffing up on to it tops.Must replaced all these dying capacitors parts are bulging up ur puffing up on to it tops.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish power supply board for the replacement.

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the power supply board has failed. call 1-800-samsung for nearest service center. power supplies are usually $125.00 plus labor, 1 hour maximum to repair.

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