As I said, it’s been a long time since I looked at the thing inside the 4400 but it looks fairly straight forward thing to fix it ; I do remember finding a “how to” of replacing the cord because it obviously has to be done so that the settings correspond with the radio station settings.
I’ll have to see if I can find it again and give it a go.
If I do I’ll have to try and post it on here how it went.
Anyway, many thanks for your input, it’s much appreciated.