Alterações no passo nº 8
Linhas do passo
[title] Give that PCB a very good clean | |
[* black] Even though the PCB has conformal coating, it somehow has corrosion formed on it. I have seen this fault at two different irons. I think it is a very common issue. | |
[* black] Use 99% isopropyl alcohol to clean the oxidation. In my case I had to use brake cleaner, too. I am not sure if this has damaged the existing conformal coating. | |
[* black] If you have access to paint on conformal coating, applying some may be a good idea. I haven't done it. | |
+ | [* black] Use a hairdryer to dry the PCB before re-assembly. |