Question about Samsung PS42S5H 42 in. HD-Ready Plasma Television

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Fault with Samsung PS42S5H

The bottom half of the screen keeps turning black. It started flicking just occasionally but now happens more frequently and sometimes stays black even if I swithch the TV off and back on again.

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  • mickthefish Dec 30, 2008

    I have the same problem with my Samsung PS42S5H. The bottom of the screen goes black, but comes back by tapping the screen. I've spoken to a Samsung service centre who told me there are two separate circuits that control the top and bottom of the picture. That at least narrows it down. It could be a dry joint or it could be a problem with the chip in that circuit. Either way it's fixable and the unit is not terminally ill.

  • lowed Feb 06, 2009

    Top half of screen goes blank for a few seconds on an intermittent basis.

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Sounds like the lower y-sus buffer! take off the back and give me the pcb number should start with Lj92

Posted on Aug 30, 2009

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Posted on Jan 02, 2017

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I have a samsung tv model no. ps42s5h , it shows a black vertical line on the left , what should i do?


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.

Aug 09, 2015 | Samsung Televison & Video

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What causes my Sansui 42" flat screen TV to go black on the top half of the screen for a few seconds. It happens less frequently on the bottom half. What causes this?


T'Con board fault. Check the connection from T'Con board to panel [the flat cable (LVDS)] for any loose connection. 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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1 Answer

Bottom half of screen black-out


I would replace the lower Y buffer. Part number 996500032640. Goodluck.

Jul 05, 2010 | Philips 42PF7220A 42 in. Plasma Television

1 Answer

50 inch samsung plasma that is 3 years old occassionally gets a black bar across top half of the screen. is this tv done?


not necessarily, sometimes the connectors that feed the screen get old and dirty

If you have some electronic skills, open the TV and clean the connectors around where you see the symptoms and you may have a good chance to get if fix by doing that...
good luck

Jul 13, 2009 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Top half of screen turns black


This is a problem I've seen many times with this set, the upper scan board is failing. You need it repaired, it could damage another component when it fails completely.

Apr 16, 2009 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Black bar running from top to bottom in the screen.


There are horizontal and vertical relays in plazmas that go out over time and cause this to happen , You can get an estimate from a local tv repair service in some cases they can give it to you over the phone. Good luck.

Dec 30, 2008 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Samsung plasma tv hp-r4262


The x drive board is bad in the area you see as black. OR the cable came loose.

Jul 03, 2008 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Samsung ps42s5h problem


IT COULD BE THE Y LOWER BUFFER BOARD AS MINE TOTALLY WENT BLACK AND I WAS TOLD THAT IS THE NORMAL SYMTOMS

Mar 19, 2008 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Samsung PS42S5H Plasma Screen


This can be caused by two things, a bad address board (low $) or a bad plasma panel (high $). The only way to tell which it is, is to replace the corresponding address board and see if it fixes it. Hope this helps.

Mar 03, 2008 | Samsung PS42S5H 42 in. HD-Ready Plasma...

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