[rescue] Trying to rescue a Sun Ultra 45

Cory Smelosky b4 at gewt.net
Wed Jan 15 02:29:01 CST 2014

On Wed, 15 Jan 2014, Mouse wrote:

>> Interesting story, not heard of it before, have seen a few mobos with
>> blown caps (tants?) which did not impact the running of the system.
> You're lucky they didn't.  I have fixed three (out of three) dead
> flat-screen displays by opening them up, noting that caps in the power
> supply portion of the circuit have bulging tops, and replacing them.  I
> am not in a position to comment either way on the "industrial espionage
> gone wrong" theory except to note that what I've seen is entirely
> consistent with it - though my observations are equally consistent with
> some manufacturer just plain cutting corners and counting on (a)
> devices failing after warranty expiration and either (b1) people not
> noticing the caps failing wholesale or (b2) a business plan that
> amounts to "take profit for a couple of years and then shut down before
> the bad-reputation chickens come home to roost".

And here I am with 50 year old caps that seem to still work fine...

The carbon composition resistors on the other hand however...

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Cory Smelosky
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