Dave Zucal posted:Has anyone ever found the cause or what component fails on the 5 volt board ?
Opinions vary. What you see frequently is the power supply components have died. I've seen enough of them with a particular cap leaking and/or swelled to think that might be one cause.
MR_P posted:GGG says board is dead
I'm not that surprised, not many of them come back from being truly dead.