Quoted from 2manypins:The first player 100s do not advance the 1000s. I understand the 9 position and 0 switches on the score reels.
I have checked those and I have checked the 100 and 1000 relay. All switches are gapped correctly and seemed to work as they should.
Did you compare those switches to the working ones? Read more: http://www.pinrepair.com/em/index2.htm#reels