I corrected the schematic of the RF coil--I had placed the numbers arbitrarily. Now I think they'll make sense. Following is the P-C70-RF instruction sheet, the latest revision of my schematic, and a picture of the coil showing how the terminal numbers were determined.
Voltage and resistance data for the coil:
Terminal 1 to chassis ground: 0V
Terminal 2 to chassis ground: 0V
Terminal 3 to chassis ground: -156V
Terminals 4 to chassis ground: -156V
Resistance terminals 1-2: 10 ohms
Resistance terminals 3-4: 78 ohms (Curiously, when I use the continuity tester between 3 and 4
I get an "open" reading or an occasional quick flash of "short.")
Voltage at C3: -156V
Voltage at C4: -165V
I see how my error misled everyone. If I've made any other errors in the schematic, it's clearly the fault of the United States Congress and the previous Presidential administration.
I considered trying the connection swapping, but I found it too confusing to follow the advice based on the erroneous schematic.
With sincere appreciation,
- Winky