I've just done the chip mem mod on my 6a and that was hairy enough. I'm quite pleased my A500 turned out to be not a rev 5, I don't think I have the dexterity to cut the smaller traces.
Hypotheically, if someone with fat hands and a blunt knife had knicked the solder resist near the ground plane nearby JP7A, such that it's showing copper, should he get out his wife's nail varnish and seal it back up?
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