I have a kdl-20s3020 tv and recently lost all my digital channels. I retrieved them by doing a digital auto tune but they are now stored strangely starting at channel number 493 and I can’t see how to reset them to start at 001 without having to manually reorder each channel as per the manual (which I did the last time they disappeared and it took forever). With my other Bravia tv, whenever I do a digital auto tune, they all come back starting at 001… Any ideas gratefully received? Thanks