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Gottlieb, 1984You're currently viewing posts by Pinsider minnesota13.
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First you should check the display voltages using the test points on the power supply.
TP3 Common to TP2 should be +42VDC
TP3 to TP1 should be +60VDC
TP3 to TP5 should be +8VDC
While you are at the power supply check your
+5VDC --TP3 to TP4 it is adjustable, but the control potentiometer can be bad and adjustments should made with the 5V distribution connectors removed from the power supply.
Display driver connectors at the CPU
pinwiki.com -- has some good information.
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