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Old 10-11-2021, 07:31 PM   #2
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Join Date: Jun 2020
City & State: Virginia
My Country: USA
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Posts: 235
Default Re: Samsung un49mu7000f dead no power

It’s the main board. If backlights work with mb disconnected that mean power board is good. You must have got a defective mainboard. Even if the panel was bad the standby light would be on when the tv is off.
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