Reply to "Preventing old protosound 2 (5 volt) board from blowing?"

GGGOGR Forum Member

I have repaired motor fets before, but very few. This subject always creates a life of it's own. Motor fets do not kill boards. Many more components on the board that do that. Batteries do not do it either. I have seen plenty of operating 5V boards that still had white batteries in them. Not sure the PV cap does it either, though they do fail at a high rate. There were so many revisions to this board as it was used too. Too many generic conclusions being applied.

I can say there are some engine that seem to die at a much higher rate. The R21 Red bird and the UP FEF are ones for sure. Others seem more random. G

1/10/1911:09 PM

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