I have just upgraded from a playbar to an Arc, connected via hdmi to a Sony 65ag8 oled tv.
Since conecting this, I find that my tv is turned off (from standby) overnight. If I unplug the ARC, the tv stays in standby.
I have checked all the settings on the tv and arc, but can't find anything about switching off overnight.
Anyone else found this, or can offer a solution