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Samsung HLR4667WX/XAA television keeps turning off

46" HDtv large screen samsung television keeps turning off by itself. I can turn it back on and sometimes it stays on, sometimes it doesn't. The little green lamp light on the front flashes too. Today there was a noise when it happened that sounded like a vacuum cleaner running in the rear of the tv. It also made a siren sound. What could it be? Do you think it will be expensive to fix or can I do it myself?

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  • AnchorGirl Jul 08, 2008

    Purchased Samsung LN-T4042H in April. Recently started turning off for no reason, and won't turn on by pressing on/off button. You sometimes need to unplug and will turn on after plugging back in. Today, it turns off for no reason and will turn itself back on for no reason. We have AT&T U-Verse Cable. We're wondering if that is a factor???

  • Anonymous Sep 03, 2008


  • adevereaux15 Sep 03, 2008

    This the exact problem I'm having. No noise but it is turning off randomly and sometimes won't turn back on. It's now getting worse.

  • Anonymous Oct 14, 2008

    I replaced the bulb about two months ago and now my TV suddenly shuts off. I think it has to do with the temperature. IT needs to cool down before it will turn back on.

    When I replaced the bulb, the original bulb was no longer provided. They gave me a replacement part from Samsung Parts that was to supersede the original lamp. I think the newer lamp is of higher wattage and produces more heat.

    Does anyone know if this is in fact the issue and can recommend a fix.

  • Shirley Dowling
    Shirley Dowling Nov 01, 2008

    I have had TV several years and all of a sudden it is randomly turning off. I can turn it back on, but it goes off again within 15 minutes. it will do that about 5 times and then last for a couple of hours before repeating this. i have not replaced bulb. i need to know if it's the bulb, although from the comments on your web page, that didn't seem to fix it. i don't have a problem thus far with sounds and vibrating.


  • indiglo5997 Jan 04, 2009

    I have a LN-T4042HX and have the same problem, i have had it for about a year maybe less and it only did it once like 4 or 5 months ago and i didn't pay much attention because it randomly turned off and back on once, but then about 2 months after that it did it 3 times in a row fast forward to today it wont even stay on and only shows a picture have the time, i plug it in it turns on automatically, the screen back light turns on the picture might show up the screen and tv go off no off tone and sits with the red led on the front blinking and will turn back on with the on tone sounding, will continue to do this till the power cord is removed from the power source



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If it's making a loud vibrating sound it's due to the color wheel shattering. easy to replace sits on top of light engine.

Posted on Oct 18, 2008

  • Mike Meder Oct 18, 2008

    if it's making a loud vibrating sound it's due to the color wheel shattering. easy to replace sits on top of light engine. follow this procedure for removal of color wheel. Replacement is an air-bearing type.

  • christop_nas
    christop_nas Feb 21, 2012

    But what is the solution for fixing the random tv black outs? The sound still works but the picture does not show....any suggestions? maybe the lamp?



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