[Coco] Caring for a CoCo

[jdaggett at gate.net]

On 18 Nov 2009 at 13:23, Mike Pepe wrote:

> I would also consider changing out the electrolytic filter caps in the
> power supply, as they do tend to dry out with age and the increasing
> amounts of AC ripple riding through the supply can't be good for it.

The electrolytics would only be a problem if the unit has sat for several years and not been 
powered up. Yes the electrolytic materail tends to deform with age and no charge on the cap. 
What happens then is the ESR of the cap goes way up. This reduces its function as a filter 
against ripple. 

james