Alterações no passo nº 7
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| + | [title] Give the main PCB a 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. |
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