Jezza,
I fly the A320, there is a great deal of good information about both the 320 and 330 on smartcockpit.com.
For example, there is a schematic/logic type diagram of the flight controls here,
SmartCockpit - Airline training guides, Aviation, Operations, Safety
take a look, and if you need any help making sense of it all, reply, and we'll get it sorted.
high-flyer