On Sun, Mar 27, 2022 at 7:49 PM Bill Gunshannon via cctalk <cctalk@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@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,] -tony