Hi to Martin and Lawrence
Thanks for the updates and the diagram - it confirms that the octal, UX4~7 and the B7G socket wiring are scrambled
Why, I have no idea, but it does make things difficult for any repairers!
Martin, did I give you the YouTube links for the talk and questions sessions?
Video link
https://youtu.be/ITJE4f-oVfc
(theory)
Video link
https://youtu.be/wqQV-yFLUd8
(pt 2)
Video link
https://youtu.be/scEQgrcmZJg
(pt 3)
Cheers,
Ian.