Rob,

You can see the difference in colour of my transformer.  Is there much other corrosion on the metal parts on the machine.

So I take it you have checked the schematics for the machine, the power cord in to the h/v box, fuse in it, wiring has not come loose or touching metal, EMI filter etc.. all OK?

Have you PM'd MarkC to see if he is wrecking any Sys11b games?  If he doesn't have a transformer to suit somewhere I'd be surprised!

I understand as I mentioned earlier, some transfomers need to be jumpered for correct voltage / hertz for different countries. 

I'm trying to find this to ensure yours is / was correct....