Could you please let me know if it's possible to design a PCB layout without a schematic diagram?
I outsourced the development and manufacturing of the ARM board which has 512MB DDR3 RAM and 4GB eMMC. The outsourcing company promised to make it in 45 days, but they didn't give me the product even it's already more than 100 days from beginning of the project. When they said they were manufacturing its PCB last month, I asked them to send its schematic diagram. But the answer was that they didn't finalise the schematic diagram and need 2~3 days to make it. As far as I know, you can't make PCB without importing a netlist from a schematic diagram file, especially when you have two DDR3 RAMs. It has been 1 month from the time and still I don't have the product. I need to decide how to react and would like to know if the company lied.
I spent about $6,000 for the outsourcing and now I have no idea what to do.