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I have a Samsung HL-S5687W 56-Inch 1080p DLP HDTV that turns off randomly. I have checked the warning lights for the lamp and there is no indication that the lamp is weak. Also the picture is fine while the TV is on. I have read a few threads on this website and found several owners experience the same problem and have suggested things like buying a small fan and/or vacuuming, etc. Are these good suggestions that I should try? And if they are, can you tell me a step by step procedure on how I would go about doing some of these suggestions. Like exactly "what" do I vacuum? Do I need to open any doors in the back?

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There are a lot of possibilities here. This could be some parts that need replacing but there are some easy things that can be done for free that just take a little time. Along with the sleep timer there is an auto off timer on the set, check that. Also the lamp cover door, unscrew it open it and retighten it. Check the power cable to make sure it is snugly in place as well. You can also do a reset by unplugging the tv and holding the power button for 30 seconds. Do all those first, then you may have to consider repair for the set as their are a couple known issue's with these sets and samsung could definitely help you with getting it repaired(at your cost of course as the tv isn't under warranty any longer).
If you need further assistance let me know.
Thank you and good luck,

Posted on May 29, 2010


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