Is it supposed to be removed mechanically or chemically? Or is it supposed to stay forever? I need to redo some solder points for some components but I guess this is not possible any more, right?
this post was submitted on 07 Jun 2023
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Yeah, it's probably burnt beond repair.
You could probably try and clean that up with some contact spray... or scrape it off with a knife... somehow... IDK, a few more pics would help a lot. Is that plastic?