[Coco] NitrOS-9 newbie needs some help

[peak at mail.polarcomm.com]

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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