[rescue] Sun 3/80 magic smoke

[Curtis H. Wilbar Jr.]

r.stricklin wrote:
> On May 10, 2008, at 5:56 PM, Curtis H. Wilbar Jr. wrote:
>
>> Anyone familiar with the 3/80 to give an idea of why this might have 
>> smoked.
>
> You have a short across the -12V rail. I have two 3/80 boards with the 
> same symptom. I haven't had time yet to track down where the short is 
> (most likely to be a cap).

One of those yellow surface mount ones ?

Are those tantalum or just surface mount electrolytics ?

If one is a dead short, guess it should be easy to spot with a dvm, I'll 
have
to check all the identifiable caps around the power connector area.

-- Curt

>
> ok
> bear
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