I do have a U-220, but work is keeping me busy recently so it might be a while before I can get things around to sample it.
Looks like Super Street Fighter II Turbo's quacky synth lead is
"Fusion Solo" from the JD-800.
Edit: I do have some samples of Syn Vox 2 taken from a JV-80 that I grabbed off the internet at some point:
1
2
3
Also here's what appears to be the source version of the sample, from a Roland S-50 library:
1
2 (Different multisample)