Beovision 7-55 problem

[Clemens]

Hello,
and happy new year.
I have a question about my Beovision 7-55.
Since for days now it only switches on when the power plug has been unplugged, otherwise it just hums or hisses quietly and doesn’t do anything except the red LED disappears. My question is, has anyone ever had something like this or can say what the problem is?
I love my Beovision and don’t want to replace it.
thanks for the help

[Author]

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