Getting back to Colin's triumph over PET adversity, I wonder what else he has on those old cassettes? He's probably just in the process of finding out.
I noticed his original post about this machine from 2012. If we (dubiously) count that opening salvo nearly nine years ago, then this would be one of the most epic repair sagas ever featured on the forum.
https://www.vintage-radio.net/forum/...ad.php?t=83791