Any one have access to a Gates Yard manual or schematics they might be willing to sell or copy? Looking to buy a Yard that will need some work. What is the power supply/montor amp part gatesd part numbet? I am led to believe it is M-5548E but don't know if other versions will work. The seller has an M-5548A. Thanks, Don Worsham "Don Worsham" media at gte.net