Where Is The Tint Control?

[Tom9589]

I enjoy looking at old TV schematics, in particular the very first color TV schematics. It's interesting to see how circuit designers accomplish processing the signals.

I particularly like to see how the designers adjust the tint. Sometimes it's a pot; sometimes it's a variable capacitor. Sometimes it even looks like an inductor and capacitor combined.

That said, I was looking at the schematic for the first Admiral color TV, model C1617, on the schematic in the Early Television Foundation's technical information and didn't see any control labeled tint or hue. Where is it? Is it C507 in the plate circuit of V502A?

Curious minds want to know.