The headbox is all complete now
I gave the 0-90 match unit a quick cleanup and adjust and it's working fine now
I've been through all the bulbs and replaced blown or missing ones
The back door needed a bit of work but that's all straightened out and a lock fitted now

So the next step is under the playfield
Basically just stripping and cleaning of the vari-target, the bonus unit and the roto-target unit
The vari target was pretty simple one screw missing on the coil and the contacts out of adjustment but all good now
The bonus unit was pretty gummed up but after cleaning it works great
Now the roto-target unit hmmm that's a real beast of a thing and the targets seem pretty flimsy so I was concerned about damage

I managed to remove it ok I just had to cut the coil wires to be able to turn it over to sit on the board I had resting on the cabinet
I started to strip it and found this: