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I purchased the MD2000 from ebay. If you have seen this machine, you will know that the control box is very heavy. I decided to take the circuit out and put it in a light project box. I left it out for a few moments. this was long enough for my grand son to pull all the pins from the board. I am now lost as to where the controls plug in. there are ten pins and another marked Gnd. Can any body help please.