Hi Harry and Lucid,
thanks for your advice. There is a control/reset button on the frame which allowed me to reset the TV to eliminate the irritating sound control icon.
Hi Lucid,
Thanks for taking the time to try to help me with TV problems. As you suggested, I have tried removing the batteries from the remotes and testing each button in turn to see if any were stuck. I also took the TV upstairs to the spare bedroom away from the satellite boxes and cabling...
I have a Toshiba 43u6863DB smart Tv which is just over a year old and had very little use. The tv has an optical cable connected for audio output to a home cinema sound system and the tv internal speakers were set to zero volume level. Recently whilst watching the tv and without having touched...