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My samsung un46eh5300 keeps powering off and powering on every 3 minutes,what could be causing this?

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Check whether the 'off timer' is set to 3 minutes or so. If not, the fault is with its main board. Contact any service technician. For more information go to http://electronicshelponline.blogspot.com/

Posted on Nov 28, 2013

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Hi,

Check if everytime when enter Smart Hub, TV shuts off/on.
If it so, you need to upgrade FW version (latest is 02004).
You can download FW file from support Samsung site.

If TV keeps doing the same behaviour even upgrade FW version,
then it seems you have an issue with Bad Capacitors on Power Supply Board.

Good luck!

Posted on Apr 06, 2016

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