I have a playbar with two play one surrounds connected to a Samsung UE46F6400 TV and virgin media TiVo box. Having replaced my old Virgin remote with a new one I am unable to get the new remote to control the sound on my Sonos system. The new remote controls everything else ok (Chanel, recording options etc.) it's just the volume on Sonos I can't change with the new remote. I have reprogrammed the remote through the TiVo help but nothing changes everything works apart from the sound.