Re: Smell of burned capacitors...


"mc" <look@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:10Zsf.20603$Lb1.10693@xxxxxxxxxxxxxxxxxxxxxxxxx
> I have a function generator that burned up a tantalum capacitor (which
> shorted) and a 2-watt resistor. Fixing it electrically was no problem,
but
> there is a scorched place on the circuit board and a terrible smell.
>
> Today I made some progress against the smell. I had been airing the
> generator out, covers off, in my attic (which is not hot at this time of
> year), for about 3 days with little progress. Today I figured out that
the
> bulk of the smell was actually in a large calibration-instructions chart
> that was glued to the inside of the case. I Xeroxed it and peeled off and
> discarded the original; much better. I've also given the whole circuit
> board a spraying with contact cleaner and then with isopropyl alcohol.
>
> Any other ideas? The smell was so strong that even with all the covers on
> the function generator, it was quite noticeable throughout the workshop.
>
>
simple green or other mild detergent applied with toothbrush or paintbrush.
rinse with clean water. air dry or gently apply heat gun or hair dryer.


.

Relevant Pages

  • Re: Smell of burned capacitors...
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  • Smell of burned capacitors...
    ... there is a scorched place on the circuit board and a terrible smell. ... Today I made some progress against the smell. ... the function generator, it was quite noticeable throughout the workshop. ...
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