So I opened the unit and was impressed with how clean, neat and tidy everything looked. Servicing this unit would required some very nimble hands/fingers and a better quality soldering iron. Nothing is obvious so a proper schematic would be required IMO for someone like myself ...
Pro Tip for a prospective household purchaser: if you plan on buying this type of device make sure to purchase something like an 2 year Asurion warranty coverage plan -- this type of plan gives you 100% protection against any type of power disruption --- any type and the cost is very reasonable. Do not buy from a distributor or from a Retailer that does not offer the kind of added protection I suggested ... 
