1970s Soundesign Record Player

[Captainclock]

Yesterday I broght home from the flea Market to work on for the owner a 1970s vintage Soundesign Record Player which is just a record player with a built-in solid state amplifier and auxilary input and for some reason the record player when you try to use the changer mechanism will shut the machine off when it drops the tonearm onto the record and I removed the record player out of the cabinet and looked it over and I don't see what's causing the issue, any thoughts or ideas as to what could be causing this issue?

Thanks,

Levi