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(Topic ID: 65725)

Tech: Gottlieb System 1

By IceCreamMan

10 years ago


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#10 10 years ago
 
SSP

zarco

Pinside member

11y 57,900 895 45

Solder a heavy gauge wire between the CPU, driver and
supply board ground. Also take a close look at the 5 v power supply.
It could be too high (>5.1v) or too low (<4.8v) and as it heats
up it goes out of spec. Have seen both of these cause the problem
you are having.
Steve

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