[sdiy] Top octave CPLDs

[Tim Ressel]

--- KA4HJH <ka4hjh at gte.net> wrote:
> >I don't understand the whole vent thing, really.
> >Not too long ago I replaced some caps in some 80s
> vintage Yamaha gear
> >(one stereo receiver, one synth).  Both pieces had
> caps that had
> >apparently vented and spewed uncleanable (by me,
> except by chipping)
> >but apparently harmless crud onto the PCB -- but
> the gear still
> >worked.  No explosions.  No hosage.  Well, the
> receiver had been
> >suffering from intermittent problems for years, but
> when it turned on
> >it stayed on and worked.  So what's going on with
> this venting?  FWIW,
> >I replaced them with the highest lifetime parts I
> could find -- and
> >for me, form factor was a big issue.
> 
> I have an old laptop here that died. The autopsy
> revealed some green spots
> of corrosion in the PS. Curiously, it was all spread
> around one of the
> electrolytics, which was NOT blown.
> -- 
> 
> Terry Bowman, KA4HJH
> "The Mac Doctor"


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