Newton NPS-160DB REBUILD

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  • weirdlookinguy
    Badcaps Legend
    • Sep 2007
    • 1638
    #1

    Newton NPS-160DB REBUILD

    Hey guys, I gave my brother my old 815G P4 motherboard a few months back and we built a decent little Windows 7 box out of it. As a result, I got to take his old computer, a 2002 Gateway nina-chassis P4 box and do as I pleased with it.

    I've always liked that little box, and it's slim, so I might be turning it into a media/backup/torrenting server or a media center machine. Now, about two years ago (IIRC), the proprietary Newton PSU in it broke. I swapped a few caps in there, and it went for a while longer, but then it broke completely. I got him an Antec basiq and we let it hang out the back of the case.

    Now the machine is mine, and I'm extremely anal about my electronics, so the ghetto PSU-hanging-out-the-back HAS TO GO. I looked in the old PSU, and I really don't want to try and fix it. I had no idea what the hell I was doing back then, so I did some pretty sloppy soldering, I scratched a few traces up pretty bad and had to run wire in their place, I destroyed some of the screws, etc, etc. So instead I found a working pull online for only $20:
    http://www.hypermicro.com/itemdesc.a...001997&eq=&Tp=

    These Newtons are VERY well built. Made in Thailand, Taicon primaries, Rubycon and Nichicon on the secondary with a few LTecs mixed in. Adda fan. Now, I looked it up, and apparently these PSUs are notorious for failure for seized fans.

    Wizard said not too long ago that Adda fans like to seize up. I didn't believe him. And now I found out that they apparently do. Lesson learned: LISTEN TO WIZARD!

    So what I want to do is to replace ALL the caps in it for Panny FC's, replace the Adda fan for a Nidec BETA SL, and resolder all the transformers and anything on a heatsink in there. This should leave me with a better-than-new PSU. Thoughts/feedback? Never really done anything like this before.



    Thanks,
    -weird
    Attached Files
    Last edited by weirdlookinguy; 11-23-2009, 07:23 PM.
    Tags: None
    • 370forlife
      Large Marge
      • Aug 2008
      • 3112
      • United States
      #2
      Re: Newton NPS-160DB REBUILD

      Newton is a subsidiary of delta. Typically they make the more proprietary form factor power supplies for delta, a lot of OEM stuff. Very good power supplies.

      With delta's soldering I would not expect you to have to resolder anything. As far as the fan goes, I believe nidec is probalby the best fan company out there, I have yet to ever see a seized one.
      Last edited by 370forlife; 11-23-2009, 08:42 PM.

        Comment

        • PCBONEZ
          Grumpy Old Fart
          • Aug 2005
          • 10661
          • USA
          #3
          Re: Newton NPS-160DB REBUILD

          Yes, Newtons are usually very good.

          Fan plan sounds good.

          Spec the old caps first to make sure FC is adequate.

          .
          Mann-Made Global Warming.
          - We should be more concerned about the Intellectual Climate.
          -
          Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
          - Dr Seuss
          -
          You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
          -

            Comment

            • weirdlookinguy
              Badcaps Legend
              • Sep 2007
              • 1638
              #4
              Re: Newton NPS-160DB REBUILD

              That would explain the Delta-labeled transformer in it.

              When the (new and untampered-with) PSU comes in, I'll post the cap series and values.

                Comment

                • weirdlookinguy
                  Badcaps Legend
                  • Sep 2007
                  • 1638
                  #5
                  Re: Newton NPS-160DB REBUILD

                  Looks like none of this will be necessary

                  I got the PSU in from hypermicro today. It said on their page that it was a working pull, but there is no doubt in my mind that this thing is NEW. Nary a speck of dust on it, looks like it just rolled off the assembly line.

                  The old PSU had a 2002 date code (obviously). This new one has a mid-2005 datecode. The old one is Revision 00, the new one is Revision 01. Nice.

                  The old one made a quiet whining sound when the machine was in standby. It had done it since it was new in 2002. The new one is dead silent.

                  The new one still has a mix of Rubys and Ltec, but no nichicon.

                  The fan... drumroll... is a nice shiny SUNON. Which means no replacement necessary! So scrap the fan swap, its no longer necessary.

                  It moves a fair amount of air, so I'm going to leave the mix of Rubycon and Ltec in there.

                  I guess that makes this thread pretty much pointless, sorry guys! I wasn't expecting a new revision PSU.

                    Comment

                    • PCBONEZ
                      Grumpy Old Fart
                      • Aug 2005
                      • 10661
                      • USA
                      #6
                      Re: Newton NPS-160DB REBUILD

                      Congrats!
                      Mann-Made Global Warming.
                      - We should be more concerned about the Intellectual Climate.
                      -
                      Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
                      - Dr Seuss
                      -
                      You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
                      -

                        Comment

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