Hi There,
Try this site http://www.brentradio.com/SpaceInvaders.htm for manuals, trouble shooting etc. This should point you in the right direction.
Bear in mind that the SI 2 was also called Deluxe just to confuse as well. Good luck and I hope you enjoy it.
Regards, Ed
Thanks Ed & to all who replied looks like ive got a lot of sites to look at. Thanks again to all Im looking forward to bring this one back to life. Cheers Paul
