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Has Delta gone downhill?

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    Has Delta gone downhill?

    In a Delta-manufactured power supply for a printer, LTEC units for the primary side LV and the secondary side DC output were used.
    You have probably seen LTEC units in later Delta power supplies.
    It appears that Delta is going downhill...
    My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.

    #2
    Re: Has Delta gone downhill?

    They've been using LTEC for quite some time now.

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      #3
      Re: Has Delta gone downhill?

      i think it is more of a "delta found a way to make ltec work... well" rather than with most companies "delta has become a bunch of greedy b*stards."

      my $0.02
      sigpic

      (Insert witty quote here)

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        #4
        Re: Has Delta gone downhill?

        IMHO, LTEC aren't really bad like Fuhjyyu. On par with OST and Teapo, so it's still kind of acceptable for a lower end PSU, Although I still replace anything but the 6 good brands in all my PSUs as a precaution.
        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

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          #5
          Re: Has Delta gone downhill?

          Delta has been using LTEC since their PSU builds on the original X-box consoles. They also used Taicon too. Remember those the issues with the power jacks that would crack the solder points to the board causing arcing? Those were Delta builds. It was because of inadequate structural support on the jack too tiny plastic clips weren't enough. Microsoft's fix a GFCI .

          Later models did away with the stupid clips and used rivets to hold the connector to the board taking the strain off the solder those finally solved the issue.

          I still don't know if Micosoft speced this PSU with the flaw or Delta designed it with just voltage, current, and size specs.

          This design issue and using DNA1001 and 1002 proprietary ICs with no service info which prevented me from fixing a few soured me on Delta long ago.
          Last edited by Krankshaft; 12-31-2010, 04:05 AM.
          Elements of the past and the future combining to make something not quite as good as either.

          Comment


            #6
            Re: Has Delta gone downhill?

            AFAIK, AcBel has also used LTEC for ages, without significant issues. Failed LTECs in PSUs were probably due to inadequate cooling and/or seized fan bearings. I'd rate LTEC on par or better than Jamicon or Teapo.

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