This was somewhat hard to find:
http://www.ianstedman.co.uk/Amiga/amiga_hacks/Amiga_SCART/amiga_scart.htmlIt used to be on EAB, but now had disappered from there ??
I made a RGB to SCART cable following this guide and it works perfectly on my Bravia LCD TV.
I did try to make the cable with some older quide first (without the resistors), and it did not work on my LCD indeed.