Yeah I did that to a systemdek turntable with separate power supply. I put fuses in both 110v and 220v system, as there was a speed fault with the power supply so thought it could be that. It wasn't.
Trying to find out if someone has already done that.
Yep the SL is a japan version so no switch.
Wondering if someone has tried to plug it in to EU mains and burnt something.