I have a Gottlieb Top Score. Everything is working as it should except one little detail that is annoying to me. The spinner adds 100 points at each step (3 ball mode) or (10 points in 5 ball mode). When the light reaches the top (5th position) it should add a bonus and 500 points but it does not at 95 percent of the time.
Is there someone who knows where should I look? Thanks!

Thansk for your quick answer Albertol!!!

I cleaned the contact with the maroon wire and the white wire. With my multimeter, I realized the contact acts like it is always closed. The electricity goes through from one solder to the other even if the swicth is open! Pretty weird!

Best regards!

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I have the schematic but I do not find the answer!

When the J relay is activated when the KS relay is at the fifth position, it should activate the G relay (500 points and add bonus unit relay) but it does not.

Thank you very much Mark!

I'll check that tomorrow and I'll be back for a feedback!

Best regards

Denis!

I finally found the problem. In the KS relay. The switch responsible to add bonus at the 5th position was not working well. The contacts were clean but there was no continuity even the switch closed. So, I checked the solders of the yellow wire and the grey wire. They were bad. I made new solders and it is now working at it should. It add 500 points and a bonus ball each time it reaches the 5th position.

Thanks to all and hope it will help someone else who will have that problem in the future.

Best regards.

Denis Nadeau

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