1. For improved silicone buttons, the main reason for silicone button failure is that the coating on the button is worn and damaged due to prolonged use and pressing. It is also possible that impurities such as dust may accumulate on the surface of the material during use, affecting its operation, resulting in silicone button failure.
Solution: Choose to use alcohol to clean the material, and you can also add some materials at the contact points between the material and the circuit board. For example, polishing a pencil at the contact points can greatly improve performance.
2. For the traditional metal spring type button, its working principle is to apply a force to the spring through external pressure. The external force of the spring can apply a force to the metal sheet inside the button, which is then connected to the circuit board under pressure, thus providing connectivity. The main reason for the failure of the silicone button is due to the problem with the metal sheet.
Solution: The metal sheet can be replaced according to the degree of damage. If there are dust and impurities on the surface, it needs to be cleaned with alcohol; If there is a mechanical problem with the entire silicone button, it may be because the position of the spring is not installed correctly, and the position of the repaired spring should be corrected.