Yeah I imported it from Japan
Well turns out to be rather simple the corrosion on the 2 legs seemed minimal and the small amount of pressure when checking with a multimeter made contact but not a good connection so 2 small jumper wires to the huc6270.
Hey presto it works
So happy and have been playing some amazing games, I am really suprised how good some are so it's a real shame we did not have this system back in the day in good old England