Question about Samsung HP-R5072 50 in. Plasma HDTV

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Tv powers itself on and off

I've had the set since Christmas and this problem just started. After a variable length of time, the set will power itself off and then back on. The routine lasts about 10 seconds and once it begins, it will continue every 5-8 minutes. I have done a reset, unplugged the power for an hour and taken the batteries out of the remote trying to pinpoint and clear the problem. Any ideas out there? The set does feel warm to hot on the back panel...but I'm not sure what the standard temp would be for the set while operating normally.

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  • david welsh Jul 13, 2007

    this is model LN-S2651D

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You have a problem internally caused by heating (set is on for a few minutes) and then cooling (set turns itself off for a few minutes). Most likely a "cold solder joint" or a bad component on the power supply board. Locating it yourself can be difficult. If still under warentee you'll need to take it in or have them come out. (whatever is in your contract) They'll simply replace a circuit board instead of trying to fix it.

Posted on Jul 14, 2007

  • Anonymous Jul 14, 2007

    As far as opertating internal temps go, around 140-160F. Some run lower, some run much higher, depends on how smart the design team was. Componets don't last a long time under high temps. A bad solder job can actually raise the temp sometimes because of higher electrical resistanace in the circuit. Your problem: Circut gets hot, breaks contact, gets cold, reconnects contact.

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