might be different setup for BSD because of the long range opto?
Part numbers have unique suffix which might mean they are setup specifically for certain games.
Quoted from DumbAss:
Here are photos from two different BSD 24-switch opto assembly boards. I agree with terryb in that I've seen errors or ambiguities in the parts list versus the schematic. The schematic is often (if not always) correct.
The schematic shows:
On the board (if I interpret the colors correctly):
L1=?? (I don't have enough electronics knowledge to be able to figure this out)
Hope this helps.
The greasy spot around your C7 makes me think it might be leaking. I had a few opto boards in my BSD with leaking caps.
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