On Fri, Oct 28, 2016 at 9:39 PM, Gerrit Heitsch <email@example.com> wrote: > On 10/28/2016 09:11 PM, Francesco Messineo wrote: >> >> On Fri, Oct 28, 2016 at 8:47 PM, Gerrit Heitsch >> <firstname.lastname@example.org> wrote: >>> >>> >>> >>> >>> I found it easier to just open up the PSU, remove the rectifier, >>> capacitor >>> and 78S05 regulator. Then add a better rectifier, capacitor and a >>> switching >>> regulator. The latter you can get on a small PCB on ebay cheaply. I like >>> the >>> boards based on the MP1584. >>> >>> From the outside the result looks the same, the PSU no longer runs hot, >>> you >>> get the real 9V AC and, on the +5V, you get more than the 1.5A the old >>> PSU >>> gave you. >> >> >> this would be great if only the European PSUs weren't filled with >> epoxy, making them >> virtually unfixables :( > > > Depends on the PSU... The early ones (*) have only the transformer part > filled with resin. The part that contains the capacitor and rectifier is > hollow. The only problem is to get the bottom off, but that's easy once you > figure out how it's done. Once the bottom is off, you have access to > everything you need to replace the regulator. hm you give me a great hope. I have a few "early" ones and only one of the newer :) I have definitely to figure out how to get off the bottom! Frank Message was sent through the cbm-hackers mailing listReceived on 2016-10-28 20:01:26
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