jellybean,
F1, 7 amp
F2, 4 amp
Both located in AC power line.
F3, 1/4 amp
Scroll down the page until you come to the power transformer diagram. Start to scroll up keeping your eyes to the far left hand side of the page.
You will see 4 dual section caps with dotted line rectangles boxes around them. Just pass the caps you will see the F3, 1/4 amp fuse.
biasing
http://www.audioresearch.com/ContentsFiles/VTM200_BiasAdjust.pdf
wiring schematic
http://www.audioresearch.com/ContentsFiles/VTM200_SchPL.pdf