[time-nuts] HP Stories: An architectural view of the HP 5060/5061 and awkward oscillator adjustments.

[Adrian Godwin]

Replied off-list but suggestions welcome.


On Sun, Mar 31, 2019 at 6:00 PM Mod Mix <modmix at t-online.de> wrote:

> Hi Adrian,
> sorry for cantacting you directly...
> I've got a pair of KS-24361 showing now the red FAULT led on just after
> applying power.
> As I don't know much about these electronics: could you pls give me an
> indication where to find a possibly failed tant?
> Thank you in advance
> Ulli
>
>
> Am 24.02.2019 um 15:07 schrieb Adrian Godwin:
> > Just to sneak that back on-topic .. the most recent tant failure I had
> was
> > in a KS-24361. It was after the dc-dc converter so it didn't look like a
> > short to the input - it just increased the current draw. Running off a
> > cheap laptop supply, which overheated and melted instead of shutting down
> > or blowing a fuse. It took out the breaker for the whole ring main.
> >
> > Replacing the tant was the only action necessary for the KS-24361 itself.
> > No other internal damage.
> ---snip---
>
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