When I turn tv on all I get is a white screen today. Yesterday it was turning on and off repeatedly so I unplugged it over night and now all I get is a white screen. Main board?
UN75NU800DFXZA, version FA02
Main board - BN94-12928P
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@mattlasita main board would be my first suspect followed by a bad panel. Check the main board first. Measure the voltages on the power board connector and see if the main board has the appropriate voltage. Check all the ribbon cables and connectors for tears, corrosion etc.
Remove the back cover and post some pictures of all of your boards. Let's see if we can help you narrow it down. Adding images to an existing question
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