Question about Samsung Projection Televisions

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HL-R56667W 50" LCD HD TV stopped working. Keeping powering on and off when plugged in. No more picture.

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  • jhuerena Jul 03, 2008

    Just wanted to note that when it's plugged in I get a loud buzzing/hum-type noise.

  • jhuerena Jul 03, 2008

    NS,



    Where are the fuses located? I didn't see them when I took the back off.

  • jhuerena Jul 03, 2008

    From the back, hum comes from area to the left of the bulb.

  • jhuerena Jul 03, 2008

    HL-R56667W HD TV stopped working. Keeping powering on and off when plugged in. No more picture. When it's plugged in I get a loud buzzing/hum-type noise from the back, hum comes from area to the left of the bulb.

  • jhuerena Jul 03, 2008

    Replaced bulb yesterday. Problem still exists.

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The buszzing you are hearing is coming from the "ballast" portion of the set. This is the part that "fires" the lamp. It is possible that the lamp is faulty and causing this. If you have a spare lamp, try that. It is possible that the ballast is bad. The cheapest way to try and isolate the problem is to replace the lamp with a known good one.

Try that and let me know if that helps. In the meantime, I'll look for other clues for you to look for.
Dan

Posted on Jul 03, 2008

  • ABRsvcs Jul 03, 2008

    Forgot to add. The set powers down as protection. There are circuits inside that cause this to happen and this is normal when a problem occurs. The idea is to prevent further damage to the set.



    Dan

  • ABRsvcs Jul 03, 2008

    Unfortunately this is not a problem that lends itself to remote diagnosis. You may have to get a detailed repair estimate for this one. We can guide you through the actual repair, but without taking some measurements, it is dificult to diagnose.



    Dan

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Its shorting out on you it may happen because of a blow fuse i think you may need to check the fuses inside the tv witch takes time

Posted on Jul 03, 2008

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  • nicholas Rokkasarno
    nicholas Rokkasarno Jul 03, 2008

    they should be located were the power cable starts from

  • nicholas Rokkasarno
    nicholas Rokkasarno Jul 03, 2008

    buzzing noise the ok now i know whats wrong there a fault inside the projection tv if you could tell me were about the noise if coming from can tell you what it is

  • nicholas Rokkasarno
    nicholas Rokkasarno Jul 03, 2008

    ITS A AIR BREAK ITS NEED TO BE PROFESSIONALLY LOOK'T AT

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