Everybody use circuit board at home for one or the other reason. It is risky to clean it because if we don't handle it properly than there can be some damages. How to clean a circuit board?
1. You need to be careful while cleaning it. So for safety purpose, wear gloves and goggles.
2. Due to the chemicals and hazardous fumes make sure your room has proper ventilation where you are cleaning it.
3. Use a non metallic tub.
4. Mix hydrochloric acid and hydrogen peroxide in the ratio of 1:2. Also add water.
5. Submerge the circuit board in the mixture.
6. Agitate it for sometime. Wash the board in clean water.
7. Dry it with the help of paper towel.
8. Gently mix one part of acetone into one part of rubbing alcohol. With the help of paper towel, dip it in the solution and clean the marker.
