We have inspected your 3DS unit. There are problems with most every components as well as the shell needs replacement to repair the system. However, the motherboard does not to be replaced to correct the multiple issues detected. There is a considerable amount of labor and most of the cabling will need total replacement as the assemblies travel throughout the top and bottom chained into the system. We do have all of the replacement parts available for this model console immediately at $109.95 to complete the repair and return with in store pickup. If you would like to not have the repairs completed, our inspection, estimate, and diagnostics charges would be $26.95, if you would prefer to trade in or scrap the console, we do have replacement options in many models available depending on your budget and model needs. Replacement parts are only available at this price to our repair customers and the repairs complete as soon as payment is received. Please act now and let us how you would like proceed as replacement quantities are limited.