Due to a technical change taking place at switchover, several older STB's and IDTV's will not work after switchover. All of this equipment is a few years old (1998 - 2003). IDTV's can be upgraded by adding a modern STB (although this somewhat defeats the object of an IDTV).
Details of affected models are on the Digitaluk website (pdf file)
http://www.digitaluk.co.uk/__data/as...Dec08-Sony.pdf