[Coco] Coco 2 64k - heat issue?

[Kandur]

http://tinyurl.com/p8hpzje


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!