i didn`t dissasemble only cleaned the fingers and scotchbrite the board.found that all controlled lamps were not working.so checked said schematic and found a common n/c swith on the tilt relay to all lamps.appered closed but was dirty.cleand and all ok,thanks i`m slowly making progress,damien
"Ball in play" lights would be related to the ball count unit.
GI or control lights can be a number of things - as you have found. I would have thought it would be the jones plugs.
That's two repairs you have completed, Damien !
