Question about Samsung HP-S5053 Television

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I have a Samsung Hp-S5053 has no picture but sound is O.K. Is the main board bad?

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  • msaeri Aug 23, 2010

    Do I remove the 11 pin plug from the sustain boards and check the voltage going in?

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  • Samsung Master
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Not necessarily. You must check first if the plasma panel is powered - if Vs  ~200v and Va  ~70v  are present then you must check the voltages at the Y and Z sustain boards (they are the ones that usually fail, not the mainboard) .If they are there and correct (around 115v for an average image) then the image processor has failed and the mainboard must be replaced.

Posted on Aug 23, 2010

  • 3 more comments 
  • Azrael SRL Aug 23, 2010

    No, all voltages must be measured with all the parts connected. If you take one then the power it was supposed to use goes back in the source, messing the readings.

  • msaeri Aug 23, 2010

    so if I measuring the Vs, I put the red side of the tester in the Vs hole, and where do I touch the black side to.

  • Azrael SRL Aug 23, 2010

    The black one is the ground - you can put it wherever you can find a ground.

  • msaeri Aug 23, 2010

    I am getting 115v reading on all pins

  • Azrael SRL Aug 23, 2010

    In that case most likely the Y board is fried and must be replaced. Try to find out why it was fried, or it may fry even the new board.

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