[Coco] NitrOS-9 newbie needs some help
peak at mail.polarcomm.com
peak at mail.polarcomm.com
Thu Aug 26 15:05:02 EDT 2004
All Electrolytic Caps in all electronic equipment deteriorate
with time!!
Eric
---- Original message ----
>Date: Tue, 10 Aug 2004 11:51:42 EDT
>From: KnudsenMJ at aol.com
>Subject: Re: [Coco] NitrOS-9 newbie needs some help
>To: coco at maltedmedia.com
>
>In a message dated 8/9/04 3:27:08 PM Eastern Daylight Time,
>boisy at boisypitre.com writes:
>
>> Since we're on the topic of flaky CoCos, here's a question
I have: is
>> it possible that, over time, electrolytic capacitors in
CoCos will dry
>> up and loose their ability to hold charge effectively? I
know this can
>> be an issue with older monitors. What about gradual
failure of other
>> components (resistors?).
>
>Electrolytic caps (used in the power supply) will dry out
and lose
>capacitance, or, in really old equipment, develop leaks or
even shorts (verrrry bad!).
>When fixing up pinball machines from the 70s and 80s, caps
are often replaced
>just as a matter of course.
>
>Nowadays some pretty cheap multi-meters will measure
capacitance, so you can
>check your caps -- may have to disconnect one lead form the
circuit to be
>accurate. Caps are cheap, easily available where you bought
your Coco (!), though
>getting the right size and fit to look like the original is
probably not an
>option.
>
>Slightly larger (like double) values or working voltages are
OK. Less is not.
>--Mike K.
>
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