如何焊接和拆焊

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Beginning Guide

To start, let's solder a large component held to a circuit board with thru-hole solder pads.
A capacitor was already removed from the two solder pads. Each pad was heated while the capacitor was pulled away from the board.
Notice how the solder holes are completely covered with solder. Opening these holes so the capacitor lead can be pushed through will greatly simplify installation.

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