[Coco] Coco 2 64k - heat issue?

[AQ Cerutti]

So you just power it from a USB plug style adapter I assume? May do that,
it's a cheap solution. Thanks for the advice.
On Jun 27, 2015 11:14 AM, "Kandur" <k at qdv.pw> wrote:

> Bought this new dual fan on Ebay for less then 3 bucks.
> Totally quiet, put in on the top of my Coco, keeps it cool as a cucumber.
> http://i.ebayimg.com/00/s/NTAwWDUwMA==/z/nRgAAOSwQItT0iOW/$_35.JPG
>
>
> Kandur
>
> Saturday, June 27, 2015, 9:29:29 AM, you wrote:
> > Hi All,
> > I wrote not too long ago asking some questions about how to troubleshoot
> my
> > disk controller and learned that I couldn't use it with my 16k Coco
> because
> > it didn't have extended color basic. I'm a Coco newb but think they are
> > pretty cool little machines and have been enjoying reading along on these
> > forums.
>
> > Good news, I bought a 64k Coco with extended color basic for about $40
> and
> > my floppy interface and drive do work.
>
> > I'm noticing though that this 64k system gets very hot, much hotter than
> my
> > 16k system. Taking this apart, the bulk of the heat seems to be coming
> from
> > the power supply. The power supply looks okay. I don't see any corrosion,
> > it's not plugged up with anything, I don't see any obvious shorts in the
> > wires, etc.
>
> > Can anyone confirm if these 64k Cocos run hot as in kind of hot to the
> > touch from the outside of the case after having been on for just a few
> > minutes?
>
> > Factors that may be contributing:
>
> > 1) It was about a 100 degree day when I was testing this and probably
> about
> > 85 in my garage.
> > 2) Someone, trying to get rid of the yellowing on this Coco, repainted
> it.
> > They did a good job, all vents are free of paint but could this be
> > contributing to extra heat?
>
> > If the power supply seems to be the issue, does anyone have any
> suggestions
> > as to how to cool this little system down other than a fan? The chips
> > didn't seem to be excessively warm after letting sit a few minutes and
> > opening but the power supply still was.
>
> > Is that anything I should be worried about? If the consensus, is yes,
> does
> > anyone have a power supply from a Coco 2 that they'd be willing to sell
> and
> > should any coco 2 power supply work or would it have to be from a 64k?
> One
> > with the power cord attached might be good, I can solder a bit but would
> > prefer just to retack what is there.
>
> > Does this even need to be replaced or should I just use it as is?
>
> > Thanks for any information!
>
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