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Samsung 42' plasma tv,screen keep flashing, blurry,no pics

Sound is fine, but no picture, screen keep flashing

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I also had this problem with my LG 42" plasma.
Many Plasma tv:s have LG YSUS boards. I changed C72 on my ysus board 6871QYH029A and it fixed the flashing problem. But I still have some sparkling pixels that I need to get fixed.

Posted on Jan 10, 2010

  • n8781m Sep 20, 2010

    I have the same problem. when i put a solder iron to c72 to heat it, it clears the problem. The markings on it are non-standard. S0151 33 25f where do i get a replacement Aluminum Electrolytic Capacitor for this spot?

  • voivitzi Sep 20, 2010

    It is a electrolytic 33uF capacitor that can handle 25V. In my case I just replaced the broken cap with some cap that was bigger than 33uF, 25V. It fixed the problem. Just watch out so you get the and - polarity of the cap the right way.

    This company is offering capacitor kits for the board. But I only had to change C72. And any repair store will sell you the 33uF cap for about 1$....
    http://www.chsinteractive.co.uk/electric...

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I'm not really sure what causes this but I might be able to help.
I have an LG 42 plasma which had the same problem. In my case I removed the video and the tuner board (they both were mounted on the same frame which was screwed on the tv chassis) and installed them in a "wooden box" so that there would be no electrical contact with the rest of the chassis except from the cables connected to them. It now works fine.

Posted on Feb 23, 2009

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