I managed to buy a cable for my needs a few months ago, just happened to find one in a shop for about 3 quid, good quality one too
If you look around you will be able to find one - a quick search on google for scart to phono cable came up with a result at
http://www.videkonline.co.uk/home.as...5&chapterID=26 (scroll down to the scart to phono cables section). Hope that helps