Welcome to Pinside. Does your Reset relay relax, and Score Motor stop turning after a single 180 degree turn? Note that there are four Reset relays in this game. The Reset relay should stay active while the No.1, No. 2 and No. 3 relays should pulse on and off.

Ordinarily the Reset relay should stay active until all of the Score Reels reset to zero. Each Score Reel (all 20 of them) has its own switch that can keep the Reset relay active once it has been activated. If your Reset relay relaxes after a single 180 degree Score Motor turn it may be that there's a bad connection through a jones plug into the back box or similar common point since it's unlikely that all 20 switches are misbehaving.

/Mark

When a new game starts the Score Motor will turn through a mininum of 180 degrees (or 1/2 turn) to reset most game features. During that first 180 degrees the motor generates 5 pulses which get sent to each of the Score Reels to start their reset process. Many game features can reset during that first 1/2 turn but some, including any Score Reels that started with number 4 or lower need a second set of 5 pulses to get them all the way back to zero. Those Score reels close switches that should keep the Reset relay active and the Score Motor running through a 2nd 180 degree cycle, and in fact keep the motor running indefinitely until all Score Reels show zero.

The fact that all the Score Reels advance 5 steps (or to zero) just means that the 5 pulses from the first 1/2 turn got to the Score Reels. What's missing is the signal from the Score Reels back to the Reset relay and Score Motor to say that another 1/2 turn or 5 pulses are needed. If your Reset relay relaxes after just 1/2 Score Motor turn it's possible that there's something wrong in the path between the 20 score reel switches that open when each Score Reel shows zero, and the Reset relay. That's why it's important check when the Reset relay relaxes.

There is a schematic available on IPDB.org.