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SAMSUNG PS42D4S PLASMA TV HAS NO PICTURE, AUDIO ONLY. THE SCREEN IS BLACK ONLY, WON'T SHOW ON SCREEN MENUS ETC ALTHOUGH SOUND IS WORKING

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  • Anonymous May 10, 2008

    samsung ps42d4s plasma, sound and no picture at all, just black screen I have checked power suppy, havv checked fuses on the y and z sustain boards

  • MCYM Jul 10, 2008

    Same problem here. Backlight appears to be dead. it had intermittently black out a few days prior to this permanent state. Now there is absolutely NO PICTURE display but reception and sound unaffected. PS42D4S was problem free for last 3.5 years.




  • Adam Aug 16, 2008

    I have a similar problem with the same set.



    PS-42D4S



    Intermittent jumpy picture, jumps horizontally and vertically to the point where the picture blacks out. Turn it off and turn it back on a few minutes later and it is better for 1/2 hour and starts again. It wasn't that bad but has progressively gotten worse.



    I disassembled and went through the Power Supply board looking for bad joints. Resoldered quite a few joints that looked marginal. One plug on another board wasn't in properly, reseated that put it back together, it went for about 10 hours and started again.



    I have got it apart again and have removed the Tuner/Input board to get to the board underneath but nothing looks to be wrong.



    Anyone have any idea where I could look for this intermittent fault? I am tempted to buy all new capacitors for the power supply board even though they all physically look alright.

  • Anonymous Aug 18, 2008

    I have the same solution as described herein. Anyone with the solutions?



    Thanks.

  • wogeydavies Sep 14, 2008

    i have the same make of tv and also the same problem s ,no sound no picture, jumpy and now nothinking,thank yoa england,

  • Anonymous Mar 22, 2009

    same with mine and i found out if you put a fan behind the tv to keep it cool it works fine as i think the tv gets to hot been doing this for a while now till i can find out what is wrong.

  • Anonymous Apr 26, 2009

    I have the same problem mine has been doing it for the last 4 months iv had the set from new which cost an arm and a leg. I have a repair shop near me who want 50 quid just to look at the set i wonder where i will get trying to claim on my insurance

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I had the same problem here but I notice that one of the compoent on the power supply board is melted slightly. Suspect that it might be the cause. the compoent have a symbol of transformer and is grey in color...(look like a cap) ...compoent number is L48

Posted on Sep 14, 2008

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