So I have a gen1 Beam & I've just changed my TV from the Philips 50PUS8204 to the Philips 65OLED707. It's currently connected via an HDMI port with arc.
I've noticed that when I'm watching Sky then switch to an app via the android TV home screen there's no sound. I need to use the remote to put the TV into standby then turn it on again to get the sound to switch over. I’d guess the issue is in switching from an HDMI source to something powered via the Android TV portion although I never had this issue with my previous Philips Android TV.
Any ideas on a resolution or what could be causing it?