So I don't know if anyone can help me but my RM100 had a crackle and pop last week when I switched the standby to play. There was a brief flash under the outer side of the power transformer and I switched it off straight away. I opened it up and R10a and R9a on the tube board were burnt out, I pulled the board out and replaced them. Upon further inspection I found the white cable from the standby switch to the power supply board QC6g spade connector was somewhat loose on the board, pulled it off to see a tiny amount of scorching on the pin the spade connects to (which is right near where I saw the flash)
I've since cleaned off the scorching (none was on the board as far as I can see) tightened the spade connector and put it all back together. The amp now seems to run fine.
So my question is could the spade being loose cause the spark and could it take out R10a and R9a on the tube board? Or have I just patched up a symptom of a larger issue? Any thoughts or info would be very much appreciated.
Brad
I've since cleaned off the scorching (none was on the board as far as I can see) tightened the spade connector and put it all back together. The amp now seems to run fine.
So my question is could the spade being loose cause the spark and could it take out R10a and R9a on the tube board? Or have I just patched up a symptom of a larger issue? Any thoughts or info would be very much appreciated.
Brad