So what is re-capping? No, it’s not the normal repeating-yourself-again summary of what was just said – it’s a solution to perhaps the #1 killer of electronics: failed capacitors. “Re-capping” is a term that you’ll hear when a technician replaces all of the old, leaking or failed capacitors in an electronic device.
This was a very common problem in older and vintage electronics, for example a jukebox that I’m working on right now has a dozen or more capacitors. Especially the paper variety from the 50’s and 60’s don’t last very long at all, a few years is a long time for those. Modern capacitors can last a lot longer.
As we can see on the lab bench, this is still a problem in much newer electronics using electrolytic capacitors in the 90’s. I just recently revived a Dell computer that was completely dead, and revived simply by replacing the electrolytic capacitors.
More tales from the workbench to come…
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