How To Clean A Circuit Board Smoke. Using a solvent, you can clean the circuit board to clean off the excess particles. However, a professional might be able to clean them to prevent damage.
Rubbing alcohol on a cloth and wipe gently. You just need to spray the compressed air on the rusted portion of the board through the ventilated port of your device. When i was a technician we used what's called liquid freon to clean the circuit boards.
Remove the screws from the programmable smoke detector with a phillips jeweler's screwdriver.
Figure 8the smoke that forms during the soldering process. Pull the card out of the socket in the circuit board. A combination of epoxy fluid and powdered fiberglass is then used to fill the area of the circuit board that has been cut. Work from the outside in, cleaning the fans before you get to the circuit board itself.