Question about Samsung HP-T4254 42 in. Plasma Television
Almost 2 years old. Will shut off while watching--after warms up, about ten minutes. Power relay clicks--slow cycle. Same relay noise that clicks when tv is turned off or on. Power button not responsive. I unplug the tv and wait few minutes. PLug back in and turn on. Same results after about ten minutes.
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Posted on Jan 02, 2017
It does sound a lot like a buffer board problem, Just which one is the question. Sometimes it is in fact a connection issue. But 1/2 of the screen missing sounds like maybe connection between the 2 buffer boards. It could possibly be the panel. If that is the case. ITs over for that set. But i would suggest first calling samsung and asking them to extend the warranty for 90 days or so. Sometimes they will do this for nice customer such as yourself. 1-800-SAMSUNG. Let me know how this turns out first then we can proceed further if needed. Good luck and keep me posted. Sincerely Jay
Posted on Jan 31, 2008
A Replacement Power Supply.
Parts: £80 - £110 depending on the model.
Labour: £40 (ish) little bit more with a 90 day warranty etc.
Type your model number into www.chsinteractive.co.uk for the price on a PSU.
Posted on Sep 07, 2009
Most likely it has some bad capacitors in the power supply. Flat--panel sets are VERY hard on capacitors, due to the fact that the "rising heat' from the set "cooks" the caps and they fail VERY early.
Posted on Oct 12, 2009
Ur tv power supply board have dead componnents parts call capacitors.Take ur tv aparts,the board that the a/c power cord go into it.That ur power supply board.Searches all around the power supply board and it supporting boards for these dead capacitors,they bulges up on it top,or puff up on it top.These capacitors parts that bulges up on it or puff up on it top must be replaced.U know basic electronic and how to solders?Replaced these dead bulges or puff up capacitors well get ur power back to normal and work.Or tries websites like Shopjimmy.com,Ebay,com to buy a refurbish power supply board for the replacement.
Posted on May 17, 2010
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