Right now just continue to troubleshoot. I opened up the one I bought, and MAN I really think it got refurbed. MJ15024/25's in, the same 50/80 volt cap mod, input caps now poly's, wired off from the original pcb holes, and one seriously badass looking SCR/Triac (has legs the size of pencil leads.. thick!). I don't think I'll be doing anything "physical" to it 'cept put it in the rotation.. did that a few mins ago. Not bad soundin.. still eval'in