I am in the UK so I have the Freeview Play variant of 50PUS8556/12 “The One”. I have had an issue for two years that crashes the TV tuner and I have found a way to reproduce it easily.
While watching digital TV Freeview, press the left button on the remote to bring up the “Now & Next” programme info. This will show the programme that is on now.
If you look where the curser focus is, it is on the channel number on the left (highlighted in teal).
Keeping the focus on the channel number, press the “OK” button. This will reload the currently viewed channel. The tuner will now crash and signal strength and quality will go to 0%. The only way to fix this is to reboot the TV.
Has anybody else experienced this?