Game Circuit

How can I remove smoke residue (carbon) off circuit boards?

There was a fire at my shop, smoke residue (carbon) has settled over coin-operated arcade games circuit boards. How can I safely remove this residue? Is there a chance that this residue could cause damage to the electronic components?

Yes, it can cause leakage current if you have any sensitive (high impedance) circuitry.

Board cleaning is tricky because not all components are sealed. Isopropyl alcohol is reasonably safe, but make sure it doesn't get into components like variable resistors (pots), relays, switches and such.

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