11-11-2019, 12:22 PM
Hello, Looking at the schematic go down to changes near bottom. Check out run #4 if you have that one it mentions a fiberglass covered type resistor of 60 ohms that was added. Might be what you are seeing.
https://philcoradio.com/library/download...6-1947.pdf
https://philcoradio.com/library/download...6-1947.pdf