Carquefou
What board did you replace?
Check any tranformator fuses F3 to F11
(Topic ID: 231553)
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1 month later
You might shunt all ground wires as it preconised on pinrepair.com before test any electrical component.
Also unplugged and clean any connector by scratching pin and use electrical spray cleaner...wait for an hour before power on.
Search for the optical quad interface sensor board who is located under playfield at the bottom right. Red diode must shine on it if sensor not work...if not that came from the connector or not powered on..
One time two of four diode don't work on mine...just unplugged it clean connector and also resold any sensor wires and works fine now...the most important on any Gottlieb System is to shunt any ground wires 1st.
Good luck
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Leesburg, VA
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