For sure I opened a brick supply once yes its a full brick of resin so its impossible to do anything with them, door post. Terry Raymond On Friday, October 28, 2016, Gerrit Heitsch <gerrit@laosinh.s.bawue.de> wrote: > On 10/28/2016 09:11 PM, Francesco Messineo wrote: > >> On Fri, Oct 28, 2016 at 8:47 PM, Gerrit Heitsch >> <gerrit@laosinh.s.bawue.de> 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. > > The later, brick shaped, ones are fully filled with resin, rendering them > unfixable. > > (*) I mean this shape: http://www.oxyron.de/pics/psu/psut2.jpg > > > Gerrit > > > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2016-10-28 19:45:07
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