Browse over 10,000 Electronics Projects using the Page Numbering provided at the bottom of each Page.

Bad electrolytic capacitor teardown

Bad electrolytic capacitor teardown

Teardown and analysis of a bad electrolytic capacitor from Electronupdate:

So, there sitting in a dumpster is what looks like a perfectly good monitor… some of the protective plastic on the base was never even peeled off.
A quick power up showed why it was tossed: it simply did not turn on.
I had been reading about the most likely failure mode was the electrolytic capacitors, especially in the power section. A quick disassembly quickly pointed out the likely culprit:
The bulging top is the give away. After replacing it with a capacitor from my parts bin the monitor powered right up looking really good. A fix that only cost me a few pennies.


More details at Electronupdate blog.

Check out the video after the break.