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I have a spanish pinball and am trying to fix it. When I look at the scematics it has vcc and vca as the different power I see no ac at all in the game. I am assuming that vcc is dc but what is vca? the pin is setup to run on 220 volts.
Without seeing the schematics I would imagine that VCC is a supply for the logic that the machine must include. So I would say that it would need +5v give or take. Thats about the most common for logic circuits.
VCA could be the spanish equivalent of VAC which is AC input. The 220v requirement you could achieve with a simple power supply connected to the mains.
Is there anyway you could upload a useful part of the schematic so that suggestions can be more constructive?
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