Depiction of the bottom buttons on the remote.
Where is the mute button on Sony TV remote
Replacing your existing AV receiver with a new sound bar is a big investment just to be able to mute the sound with the GCGTV remote. The Google TV remote paired flawlessly with the receiver’s volume controls, but the receiver’s mute button didn’t pair. Even if, as you say, your AV receiver was outdated, you can mute the sound by programming the volume keys to control the Chromecast volume.
What’s off at Sony TV
This happens when the image reset mode is set to On and you unplug the TV’s power cord, plug it back in, and then turn it on. CC
Pressing the Quick Settings button (gear icon below the DVR button) on the remote control gives you quick access to functions such as picture mode, sleep timer, and picture off on the current screen.