Linda: If you click on the Resources tab on this site, you will find a list of resources by manufacturer. Air King Products Corp. is listed there with schematics for the 37 and 39 models. It looks like the same schematic applies to both model numbers.
Steve
:Need any info on Air-King 37-39 cream colored radio. Has Greek? figures on the front, 12" high, 9" wide. Sides near the top are like steps. Case if fairly good condition. Anyone familiar with this style?