Whac-a-mole Lighting

meakin86

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Anyone ever work on the overhead lighting on early-2000s whac-a-mole 2-unit games? All documentation refers to a motorized, cam-driven relay, but mine runs on 4 solid-state relays to switch the overheads on and off. Any idea what might be wrong on the board to cause one bank to remain stuck on? they even stay on when I unplug the control to the relays and all others automatically switch off.
 
Sounds like the solid-state relay itself might be faulty. Sometimes when they fail the stay in the 'on' position.
 
Thanks. I was hopin it might be something else, mainly because I don't have any relays of that type handy, but I'm afraid you're right.
 
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