Well I've done it, I fried A590 by using +12V instead of +5V :-( :-( :-( :-(
don't know how it happened I did checks.
arrgh what an idiot
So I guess its unrepairable now? :cry:
Amiga reports:
514,product 3 OK
514,product 10 BAD
edit: solved thanks to my friend Chain
:-)