[mikethedruid]

Here is a link to a great source of information on RCA and other makers service information. First, the link to the RCA pages...
https://worldradiohistory.com/RCA-Victor-Service.htm

Here is a link to their main website. follow the menus from the top, and you will find service information on many manufacturers, as well a LOADS of other useful and interesting literature.
https://worldradiohistory.com/index.htm

I Downloaded all the RCA service information back when I started working on my T8-18. I have since downloaded a lot more. Get yourself some thumb drives, and build yourself a reference library for FREE.