Not as bad to get to as I thought it would be to remove the X-Over
Someone had a sense of maintainability during design of this thing at least.
I was dreading removing all the connectors around the edge to get the crossover removed. No need to - an engineer designed this! Remove the nuts on top and the entire board lifts off as a complete unit. Brilliant.
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Here's the front...
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Here's the back...
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Here are several of my pitiful attempts at translating the board to a schematic
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I will keep trying but I wonder if I will ever get it right?
I know it looks simple to those who know this sort of thing but I am struggling with it.