A Production Schedule covers the entire production period of a video production, where as a Call Sheet is in use for the shoot day.
A call sheet covers many functions: contact sheet, location information, shoot schedule, and lastly a call sheet (sic!): meaning it gives every person on a set from client, to crew, to personnel, actors, and vendors the time they are to show up for work. On big productions there are dozens of people who all ‘report to location’ at a different time.
Here’s a bit of madness I pulled off the net. This is a commercial production call sheet: