I have a Williams Aztec that I am trying to fix up to playable condition, and was hoping for some ideas on how to fix a problem with Player 1 scoring. Specifically:
1) When resetting the game, the 100's wheel spins around through numbers seemingly at random each pulse of the reset. It might start at 1, next pulse be at 6, next at 3, etc. However, it will eventually reach zero and when it does, the reset process stops as you would expect.
2) During game play, the 100's wheel will occasionally (e.g. not consistently) increment by more than 1 digit... hitting a 100 target may result in 200 or 300 points.
3) During game play, the 100's wheel will increment randomly through numbers, similar to the reset, when a 1000 point target is hit rapidly. For example, if the spinner is lit for 1000 points, a good rip will result in both the 100's and 1000's wheel moving. Oddly, if the 100's digit is zero, it will not increment - similar to the reset process when it hits zero the odd behavior stops.
3a) When looking in the backbox during a spinner rip, I can see the 1000's scoring relay going, and occasionally can see a spark in the switches of the 100's wheel.
I am new at this and stumped. Any idea why this might happen? Thanks in advance.