Dismantling of multi-terminal parts. Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Ham Radio Technologies
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If you need to remove any multi-pin part from the board (microcircuit, lamp panel, connector, etc.), and there are no special tools at hand, this can be done using the method described below. However, it is not applicable in cases where the printed circuit board conductors need to be preserved.
Using a scalpel or saddlery knife, cut the printed track at a distance of 8...15 mm from the soldering joint of the part. Using a blade, pry and lift the edge of the foil from the output side. Grabbing the edge of the foil with tweezers, gradually separate it from the surface of the board to the soldering point. Now all that remains is to use a hot soldering iron to melt the solder and remove the entire section of foil along with the round area around the terminal. What remains is a lead that is almost free of solder.
In the same way, one by one, all the leads of the part being dismantled are freed from solder. After this, it is freely removed from the board holes.
Author: S.Savinov
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