Take the wire out of the connector for that row and touch it directly to the pin, retest the switches.
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Take the wire out of the connector for that row and touch it directly to the pin, retest the switches.
Wow, here is a trick. Put the game in switch test and pull the column and row connectors. Use allegator clips, clamp one side on pin 1 on the row pins and use the other end to touch each pin on the column pins. Each touch should register a switch if used. This will determine if your problem is on the cpu or playfield.
I would still do the jumper trick on the cpu. It takes 5 minutes. Why did you replace the connectors? Was there any corrosion on the old ones?
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