Author Topic: Reparing an old DEC Rainbow PC100  (Read 12546 times)

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Offline justanothercanuck

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Re: Reparing an old DEC Rainbow PC100
« Reply #25 on: December 07, 2015, 09:23:39 am »
Before any more application of power, I suggest that you look inside the power supply for any paper-dielectric EMI filtering caps that look like this:


These capacitors have a nasty habit of quickly looking like this after application of power, with an exhilarating release of smoke and plasma:


yeah, they don't sound all that great after 30 years.  :-DD
Maintain your old electronics!  If you don't preserve it, it could be lost forever!

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