I finally have part of a schematic in this post. What a pain. Adobe is what makes it difficult. I printed out a PDF and rescanned it and attached it as a JPEG.
scan0001.jpg
Here is the area around the transformer. If someone else has something else they think might cause eratic resistance and eratic voltage on pins 1 and 5 on V 15 and V 18(only) respectitively, I'm all ears.