Not really, but download the manual and look at the pinout of the edge connector, it's pretty easy to figure out from there. Several people here, including myself, have done it and can give you tips or answer questions.
Now, getting the VGA to work with your TV is the hard part Really hope I can fix that one day. I may need to take mine to a more experienced tech to fix my sync issues with VGA. Standard def Atomiswave is sad-monkey-face.
I would ensure you've got the grounds chained together to a ground connection on the SCART cable. It's better to use a shielded cable as well, but I suspect that noise you are seeing is directly related to the sync signal. You could try feeding the sync through a cap to see if that helps, or alternatively feed it into a sync cleaner or something. Possibly also try feeding the sync through a 150 or 180 ohm resistor to see if that makes any difference.