I do understand that I would have to tap into the chroma and luma pins on the jungle chip of my TV and connect the signal from there to an s-video jack as well as tap into two ground points on the main board and wire that to the ground pins on the s-video jack. Beyond this, I don't understand what else I would have to do. For example, I don't know what additional resistors or capacitors I would need and where exactly I would have to place them, etc. An RGB mod seems more involved and I figure an s-video mod would be a good stepping stone. In still motion, this set does have a very good picture with very good colors.
Here is a schematic of my jungle chip (Toshiba TA1223AN):
