Re: Can dust inside an Apple IIgs catch fire?

[Michael J. Mahon <mjmahon@aol.com>]

osgeld <kevin@hackaday.com> wrote:
> its easy and you wont need to know what it actually does to replace it if
> that is what is going on (though from your description I would agree)
> 
> In a nutshell you need a equivalent replacement part (stats are on the
> side of the part) a soldering iron, and maybe a half day to tear things
> down, do a quality job and put it back together
> 
> if it is the input cap, heres what it does... you have AC power coming
> from your wall that sort of looks like
> 
> mmmmmmmmmm
> 
> it gets rectified to DC though a series of diodes to look like
> ~~~~~~~~~~
> 
> the cap smooths out those lumps so it looks like
> __________
> 
> 
> will it continue to work, eh maybe, it might cause weird glitches, it
> might cause other components to fail, it might just puke out and kill your system
> 
> a appropriate capacitor by the time you have it mailed is only a few
> bucks, a basic soldering iron is around 10, some solder may be 3-5 bucks more
> 
> so for some time, little effort and maybe 20 bucks you can fix a machine
> that would cost much more to replace
> 
> course to assure thats what needs to be done requires you to crack open
> the power supply. Before doing that I would unplug it, hit the power
> switch a few times and let it sit a few days, those high side caps can
> and will give you a jolt.