Dual 622 turntable disassembly

I removed the turntable, how do I remove the device from the wood case.  I am hoping that I see what broke once I can see the underside.  The arm lifts then go back down and the unit shuts off.  Maybe a video?  I loosened the hold-down screws but I don't see how to get it free of the case   i looked at the manual but it is in German