I lied when I said the fuse is 5x15, it is really 5x20mm 1 amp.
I had to replace the broken fuse holder too, the plastic was old and degenerating. The Cooper Bussmann BK/HTC-30M from digikey.com is a perfect fit and using the same fuse. This is for a classic Tizio model AS7.
Gnarlodious, January 2013