Red standby lamp is flashing. I've tried the usual things (different power socket, etc.) but nothing has worked. TV purchased in 2016 so no longer under any warranty.
Sorry to hear your having a issue you would need to contact Samsung support to get this issue resolved since it would require a technician to diagnose the problem https://www.samsung.com/us/support/contact/
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Sorry to hear your having a issue you would need to contact Samsung support to get this issue resolved since it would require a technician to diagnose the problem https://www.samsung.com/us/support/contact/
If you've found my post to be helpful, Please like my Comments ✓✓✓. If my response resolved your issue, please press the Like and ✓✓✓ to Accept as Solution button.
Also, I MUST add that if you did all the steps to verify it is not a power supply problem (meaning unplugging and replug in a different outlet, etc.) then unfortunately in my experience it may be an LED problem/failure or a Main Board failure.
Furthermore, if you are handy with a multimeter, which I am not suggesting you should do, voltages could be checked inside the TV where the boards are. Otherwise, I am sorry to say you may have to shop for a new TV.
Thanks - decided to bite the bullet and get a new one. Samsung support were not much help and I'd already tried the usual suggestions from the help pages/forums.
