How To Clean A Circuit Board That Got Wet. If your circuit board was wet by clean water and you did not have to remove dried materials, you may be able to skip this. With the right supplies and technique, you can clean circuit boards that had leaking capacitors.
This will work well for the internal parts of many gadgets that have circuit boards. Rinse the circuit board with clean or distilled water to remove any sticky materials. Insert a toothbrush into the baking soda paste and apply it onto the corroded parts of the circuit board.
2 remove the damaged circuit board from the device.
* a container * isopropyl alcohol or distilled water * soft bristled brush * blow dryer or desk lamp To do so, you’ll need: Using a solution mixed with alcohol, baking soda, and water. Once you’re satisfied with the look of your circuit board, dab it with a small towel or microfiber cloth.