I have a ds lite that has water damage. It charges fine, but wont even attempt to power on. No green light or anything. I've bridged the fuses, and it still wont turn on. And there is some blue gunk on the back, so I assume the motherboard is fried. The screens still work(I tested them in another ds) so I'd like to just replace the motherboard. Is there some place you can buy them? The ones on ebay are around $50 and that seems kind of high since you can get a working used DSL for $80 now.