Quote:
Originally Posted by Electronic M
I wonder if the door knob who worked on it before you used something like acid core plumbing solder?... You're never supposed to use that on electronics but some people did, infact if you go back to the 20s and 30s some electronics makers used it.
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Not a clue
, I just know that what is left behind is white scale, hard and crusty, and I can also see that the replaced resistors did not have the lead protrusion clipped off on the bottom but were broken off by stress, ( I can see the copper in the center ) , this is probably not a big deal in this case, but such a thing is a big no-no in my line of work, and violates iso standards in every way.