PDP 11/24 - A Step Backwards

Tony Duell ard.p850ug1 at gmail.com
Sun Mar 27 22:57:58 CDT 2022

On Sun, Mar 27, 2022 at 7:49 PM Bill Gunshannon via cctalk
<cctalk at classiccmp.org> wrote:
> On 3/27/22 05:17, Tony Duell via cctalk wrote:
> > On Sat, Mar 26, 2022 at 11:12 PM Rob Jarratt via cctalk
> > <cctalk at classiccmp.org> wrote:
> >
> >> Unfortunately, or fortunately, depending on how you look at it, the PSU repair is under warranty, which means I can't do it myself without invalidating the warranty, so I will have to send it back. I don't know if the ripple is caused by the blown part, but I suppose it is likely. I may be able to inspect it without breaking the seals.
> >
> > That sort of thing would make me very suspicious as to what they've
> > done inside the PSU that they don't want you to see.
> >
> Pretty much every electronic device I have ever bought had seals on
> it and a notice that breaking the seals voided the warranty.  Even
> stuff with easily replaceable (or upgradeable) components.  Nothing
> unusual here.

Very little of the stuff I've bought new has had such seals (with some
things, like my audio equipment, you are _expected_ to remove the
covers, the user manuals tell you how. They also include the full
schematics). Ditto test gear (if there is a seal it voids the
calibration only), computer stuff, etc.

I don't think DEC ever put such seals on their machines when new.
Certainly not on things like power supplies,]


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