Progress

11.325MHz crystal and an MB8719 on the way to me.

Broken wire carrying 8V to the mode switch had snapped off so remaking that connection restored the AM/USB/LSB display.

The 'Voicelock' or clarifier is now relocked although it's a dual control so I may fiddle with that again later so that one pot tracks RX, the other TX.

The AMC had been disabled by clipping R131 so that's been replaced.

I can't find R175, 8K2 on the board so for now (and probably permanently) I've added it to the Voicelock control.

From this:

To this.

Next step, wait. Patiently.

Then fit the proper loop crystal and see if I can get the VCO to lock.I can't see any other mods or bodges on the board, at least not so far.