Question about Samsung HP-T4254 42 in. Plasma Television

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Flat screen bottom half black. Glenn@kkrealty.com

Tv screen goes black on bottom portion of picture. It is intermittent but is on all channels and on all sources (cabal or antenna). Glenn@kkrealty.com

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Replace y lower bufer board about 100 dollars

Posted on Jul 15, 2010

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Posted on Jan 02, 2017

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Samsung hp-s5053 bottom half goes black intermittently. Picture is fine, bottom half goes black, then picture comes back. Is there a replacement part I can try before disposal?


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Screen is half picture and half black with vertical colored lines


I had the same issue. I could get the tv to work intermittantly by pressing on the boards while playing. This points to bad solder joint, so I resoldered every molex plug connector, and it nows works like a charm.

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1 Answer

Screen Problem


hi....Your tv picture is managed by several boards, the two specific ones are the ysus and the xsus. The Y controlls the horizontal pixelation and the X the verticle, if you are having horizontal problems then its the Ysus thats faulty, on this particular set, the Ysus board has two accompaning buffers that are particularly troublesome. I've had more than one of these sets in the shop recently with the same ailment.Sounds like your buffers are starting to go out. The screen is split horizontally by the two long skinny buffers attatched to the Y main, if the bottom one has one leg in the grave you'll be getting a partially black screen or no picture at all. The colored lines running through the screen are more typical of a failing buffer. Are you interested in taking this set apart and putting a couple hundred into fixing it?  When buffers go they usually take the Y main too. Worse case scenario you're gonna be out about $350 dollars to fix it yourself. Best case, a ribbon is loose on the bottom buffer and with a dismantle you'll be able to connect it again..

thank u rate me!!

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Visio LCD TV - Partial Picture blacked.


Hello! I have a 32" Vizio LCD...within 30 minutes of the tv being turned on, black lines start running through the bottom half of the screen and eventually blacking out the bottom half of the tv screen. It also doesn't have anything to do with the ratio as I have tried that. HELP!

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1 Answer

Phillips 42 inch Plasma -Screen Issues!!!


intermittent loss of picture on either bottom or top half of screen is specific to y buffer boards located on left side of screen going from top to bottom when looking at back of tv. the y lower buffer would be the board to replace to resolve the loss of bottom half of picture. if the top half also is going out intermittently could tied to upper buffer as well but just a note the y main board to right of these buffers drives those two boards so in some cases could also be part of the problem. if only bottom half is affected i would recommend replacing lower buffer only

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1 Answer

Screen just split in half


Is the tv still in warranty? The problem is the upper buffer board, it's a small board that controls the upper portion of the screen. You will have to consult a service center to get it, it's very easy to install

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