Hi there - I have a JVC TV model no. AV28T25EIS. I'm in Dublin, Ireland. The TV is three years old, and as of yesterday it has a sound fault. The sound comes on full blast and does not respond to the volume control. The volume infobar appears on the screen and can be adjusted up and down with the remote, but it does not affect the speakers which keep blasting away. Also, the infobar has a little speaker icon on it which is normally lit up in a yellow colour, but is not now. the mute button also doesn't work; it calls up the little mute icon to the screen bit does not affect the sound. Its as if the TV volume control has been turned off by software, but I can't find anything in any of the menus to restore it. Any ideas? Conor

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