I have the radio but no schematic. It was too early for RCC in their readily available publications.
On radios like that I usually just wing it.
Some excellent general in formation can be found in the booklet “How to Build Fada Neutrodyne Receivers”. It can be bought online from some sellers but the best way to get it is go to http://www.antiqueradios.com then to the “archives” section where you can find a download link.