Midway Sea Devil - 1970, Help Needed

BK_ATL

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I'm a pinball guy and not really familiar with the theory of operation on this gun game.

The torpedo arm has stopped functioning, but everything else appears to be OK. The torpedo arm moves via motor based on the position of the periscope Trying to figure out how to debug it. I have a full schematic, but not the theory.

If anyone has experience with this one or can help talk me through some trouble shooting ideas, pleas let me know.

Thanks
Mark.
 
I'm a pinball guy and not really familiar with the theory of operation on this gun game.

The torpedo arm has stopped functioning, but everything else appears to be OK. The torpedo arm moves via motor based on the position of the periscope Trying to figure out how to debug it. I have a full schematic, but not the theory.

If anyone has experience with this one or can help talk me through some trouble shooting ideas, pleas let me know.

Thanks
Mark.
Post the schematic. I'll see if I can help you.
 
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