Mr_arduino:
My image is too big it won't let me and also I do have a reference right here
... so make it smaller ... ?
New Documentation: An authoritative reference on the YM2612 - Page 40 - SpritesMind.Net
Ah, that's good then. I was worried you might end up having to de-cap them both, and then you'd end up with none 
So yes, get yourself a fume cabinet, and some nitric acid, and stand well back.
Best off approaching the chemistry department of your local Uni to see if they can help you...