"No Memory Card Error" What next?

"One of the contact pins are probably bent or mashed in.

The way SD card slots are soldered to the PCB makes it nearly impossible to replace. Machines, not man solders this stuff together when it's made.

Your best bet is to get a good main PCB from a junker SD1000 camera on eBay."

"Mission Accomplished.

What shall I get myself into next?"