Mine did the same-I pretty much rebuilt the drop target bank and all's well and surprising really with my limited knowlege ![naughty &&](http://www.aussiepinball.com.au/Smileys/classic/naughty.gif)
Good luck
Peter
Ahh Peter - You have come a long way !
The Williams Drop Target assemblies are fickle, but once you have rebuilt one, they are very straight forward.