I do have the proper adapter with my CR70. Finally had a chance to use it!
Here's a portion of the color circuit.
Quite surprised to see the sound is picked off after the 3rd IF stage making it a sort of split carrier set. No wonder the sound is off. Should be fairly easy to tweak assume the cores aren't frozen.
Full PDF copy of the SAMS
https://drive.google.com/file/d/1-XO...ew?usp=sharing