Powertek Intl PTI-400AR-T

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  • c_hegge
    Badcaps Legend
    • Sep 2009
    • 5219
    • Australia

    #1

    Powertek Intl PTI-400AR-T

    When I first saw this, I thought, "Oh, it'll just be another gutless wonder". Let's see.

    An overall look at the PSU suggests that it's not all that gutless. The major parts are all there and the transformars are bigger than what I see in deer and sun pro PSUs, although the heatsinks sure could be thicker. The fan had failed when I got this PSU, so that will need replacing.

    The primary side could be better, but could be worse as well. the X and Y caps are there as is the filter. The caps ("TL" Brand) are a little small at 330uF. The major problem is 4 DIODES

    On the secondary side we have mostly "KSC" Branded caps and a single teapo. There are 4x 2200uF 10v, 1x 2200uF 16V, 1x 1000uF 16V and 2x 1000uF 10V (5vsb).

    What do you guys think. Is it half decent? or did I miss something?
    Attached Files
    I love putting bad caps and flat batteries in fire and watching them explode!!

    No wonder it doesn't work! You installed the jumper wires backwards

    Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

    Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro
  • Scenic
    o.O
    • Sep 2007
    • 2642
    • Germany

    #2
    Re: Powertek Intl PTI-400AR-T

    the mini-preview of the label reminded me a bit of HEC/Herolchi for some reason..

    i'd say its a keeper (after a recap and a proper rectifier)
    looks halfway decent.. even if 400W is "a bit" optimistic..

    Comment

    • c_hegge
      Badcaps Legend
      • Sep 2009
      • 5219
      • Australia

      #3
      Re: Powertek Intl PTI-400AR-T

      It is really 400 watts with no modifications. For half a second!!!
      I love putting bad caps and flat batteries in fire and watching them explode!!

      No wonder it doesn't work! You installed the jumper wires backwards

      Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

      Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

      Comment

      • goodpsusearch
        Badcaps Legend
        • Oct 2009
        • 2850
        • Greece

        #4
        Re: Powertek Intl PTI-400AR-T

        I would replace input caps with ones of greater value (680uF or greater), 4 diodes with a bridge rectifier at least 6A and try to recap secondary caps with quality caps of greater capacity, 2200->2700/3300?, 1000->1500/2200? for every voltage output except 5vsb.

        Comment

        • 370forlife
          Large Marge
          • Aug 2008
          • 3112
          • United States

          #5
          Re: Powertek Intl PTI-400AR-T

          I would also replace all the secondary schottky's with higher capacity parts, so if anything blows up it will be the primary so you don't loose all connected hardware.

          Comment

          • c_hegge
            Badcaps Legend
            • Sep 2009
            • 5219
            • Australia

            #6
            Re: Powertek Intl PTI-400AR-T

            Hmmm, For now, I might just beef up the secondary caps, replace the diodes with a rectifier, put some bigger heatsinks in there and replace the fan. I might leave the primary caps and secondary mosfets for a bit later. I don't want to spend much money on this, so I'll use mostly parts salvaged from other gear.
            I love putting bad caps and flat batteries in fire and watching them explode!!

            No wonder it doesn't work! You installed the jumper wires backwards

            Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

            Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

            Comment

            • c_hegge
              Badcaps Legend
              • Sep 2009
              • 5219
              • Australia

              #7
              Re: Powertek Intl PTI-400AR-T

              Replaced the diodes & Heatsinks. Its my first mod to the 240V half of a PSU and will be my last. I plugged it in and it blew up and gave me a big fright. I will just throw it out it now. I won't bother looking into it further.

              EDIT: It blew the fuse too
              Last edited by c_hegge; 04-07-2010, 05:10 AM.
              I love putting bad caps and flat batteries in fire and watching them explode!!

              No wonder it doesn't work! You installed the jumper wires backwards

              Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

              Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

              Comment

              • goodpsusearch
                Badcaps Legend
                • Oct 2009
                • 2850
                • Greece

                #8
                Re: Powertek Intl PTI-400AR-T

                It worked before modding?

                Comment

                • c_hegge
                  Badcaps Legend
                  • Sep 2009
                  • 5219
                  • Australia

                  #9
                  Re: Powertek Intl PTI-400AR-T

                  Originally posted by goodpsusearch
                  It worked before modding?
                  Sure did. The only problem was that the fan sounded like a lawn mower.
                  I love putting bad caps and flat batteries in fire and watching them explode!!

                  No wonder it doesn't work! You installed the jumper wires backwards

                  Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

                  Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

                  Comment

                  • momaka
                    master hoarder
                    • May 2008
                    • 12170
                    • Bulgaria

                    #10
                    Re: Powertek Intl PTI-400AR-T

                    Did you put the thermal/insulating pads back on the transistors when you changed the primary heatsink? Did you put the bridge rectifier the right way (assuming this is what you used to replace the 4 diodes)?
                    It's probably just a simple mistake that can be easily fixed. PSU looks decent enough to look into.
                    Don't get discouraged by this, just be more careful. Before plugging things in, always check with your multimeter for any shorts. Also, wear safety glasses when testing, especially if the PSU has the cover off.

                    Comment

                    • c_hegge
                      Badcaps Legend
                      • Sep 2009
                      • 5219
                      • Australia

                      #11
                      Re: Powertek Intl PTI-400AR-T

                      Yes, I did put the pads over the transistors and the rectifier was in the right way. I have already trashed this PSU, so it's a bit late now, but I'm not too worried. I already have several spare PSUs which I was able to fix/improve.
                      I love putting bad caps and flat batteries in fire and watching them explode!!

                      No wonder it doesn't work! You installed the jumper wires backwards

                      Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

                      Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

                      Comment

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