I have a '68 Philco roundie with 11 transistors and 17 tubes. It even has a 6HU6/EM87 green tuning indicator. One of these days I will get around to re-capping it. I bet they produce a good stable picture.
In Sams, the last roundie schematic I found was a '70 Maggie, as mentioned above by others.
'68 Philco -->
http://www.audiokarma.org/forums/att...9&d=1163916479