[HECnet] VS4000/60 power supply dead... or not?

[Dave McGuire]

  Some things never change.. ;)

           -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA



On February 14, 2016 2:16:11 PM Cory Smelosky <b4 at gewt.net> wrote:

> I wouldn't recommend doing it unloaded for more than  a few seconds.
>
> Map me the pin out so I can run it off an ATX supply ;)
>
> Sent from my iPhone
>
>> On Feb 14, 2016, at 11:13, Jordi Guillaumes Pons <jg at jordi.guillaumes.name>
>> wrote:
>>
>> Hello list,
>>
>> Some months ago I asked for help regarding one of my Vaxstation 4000, whose
>> power supply appeared to be dead. I have finally found the time (and the
>> mood) to take apart the PS from the machine and open it to take a look. I
>> have got to vandalize it a little bit, since one of the screws was
>> completely stuck in place... nothing that a creative use of a dremel tool
>> can' fix ;)
>>
>> What I have found is one of the two big fuses near the mains connection is
>> blown. This _should_ be good news, since all what I have to do is to find a
>> compatible fuse. But I wonder what will I find when I replace it. There is
>> nothing obviously burnt in the PS. The big capacitors look good (even
>> shiny, once I've blown off the dust), and there is no funny smell at all.
>>
>> So, my next step will be to replace the thing and see if it blows up again.
>>
>> Just a question for the repair savvy... is it safe to power up the PS
>> outside of the vaxstation?
>>
>> I'll tell you how the thing evolves :)
>>
>> regards,
>>
>