I have issue that when TV is switched on sometimes it shows mute icon animation on screen instead of TV channel. It can be removed only by switching between channels. I have external speakers connected and enabled instant-on. TV Reset(defaults) doesn't help.
Model:UE55J5672SUXXH (FW 1471)
No this icon appears only when switching on TV, I have never seen it in other cases. They are regular 2.1 speakers connected to headphones 3.5mm jack. Sound is automatically played trough them when plugged in.