Yeah people are getting greedy with prices now, a second hand replacement is not going to happen and also a replacement will also be 30+ years old and probably on its way out too!
I’ve spent about 50 hours staring at and translating Japanese pages and i now have a list of all the components I may need , I also have a good understanding of how it all works.
Watch this space.

I did try racelabs but he never got back to me.