I'm looking for the ir code for switching Sony tuner between analog and digital?

Which device? Television or Receiver?

Did you look here? [Link: hifi-remote.com] If it is not here, it likely does not exist.

Once you find out the information you are looking for, then you may need to use MakeHex (ClassicPronto Files Section) to generate an IR codeset for this.

I realize it is your first day but boning up on MakeHex and various IR code formats as they are known to Pronto (see Classic Pronto Files section for document by Barry Gordon on Pronto Hex IR Code Formats) can only help you in the long run.

Im waiting for Japan to send me the IR codes, i managed to get most for the new W series, but not the analouge or Digital ones, last time it took 6 weeks too :(