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6600 Possible Poly-Mod?

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    6600 Possible Poly-Mod?

    I have an older 6600GT PCI-E video card that still has 5 functioning Sacon FZ509's. I have researched that Nichicon HN's are a good replacement for these FZ's. All are 470uF 16Volt 8 x 12mm through-hole. ESR is claimed to be 1150mA @ 0.036 from Sacon's data chart.

    I can go with a lower-voltage on 2 of the caps as they have 5 volts and 2 volts (measured in circuit and running). The three remaining do have 12 volts on them.

    What would be recommended values in uF for the various locations or would I be better off just replacing them with the HN's?

    Also, who made the cap in the lower right corner of the board (the one with 1.02 Volts), looks like a 470uF 6Volt 10mm SMD.

    BTW, the remaining purple caps are Sanyo Os-Cons- 820uF 4 Volts.
    Attached Files
    Stupidity should be a crime, especially for drivers. I have NO patience for them.

    #2
    Re: 6600 Possible Poly-Mod?

    It looks like they all have space for 10mm caps. If so, you could use these for all of them. does the PCB also allow for a through-hole cap to go where the SMD one currently is?
    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

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      #3
      Re: 6600 Possible Poly-Mod?

      c_hegge - the back side of the board allows for through-hole components under all of the smd caps.
      Stupidity should be a crime, especially for drivers. I have NO patience for them.

      Comment


        #4
        Re: 6600 Possible Poly-Mod?

        In that case, the 330uF Sanyo SEP caps should be fine for all of the 470uF 16V electrolytics.
        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


          #5
          Re: 6600 Possible Poly-Mod?

          Thanks c_hegge.

          Just ordered the caps from this site.
          Stupidity should be a crime, especially for drivers. I have NO patience for them.

          Comment


            #6
            Re: 6600 Possible Poly-Mod?

            Are the ventless purple ones sacons too?

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              #7
              Re: 6600 Possible Poly-Mod?

              They are Sanyo Os-Cons, 820uF 4 Volt.

              I pulled one of the dreaded FZ's so you can see the label. It tested at 2x the published ESR at .07 ohms but the cap tested within spec at 465uF.

              I suppose is wouldn't be too much longer before they
              Attached Files
              Stupidity should be a crime, especially for drivers. I have NO patience for them.

              Comment


                #8
                Re: 6600 Possible Poly-Mod?

                I received the poly's on Thursday and installed them on the video card. I ran it for about an hour yesterday and all is well. The remaining Sacon's all tested at .07mohm despite testing fine for uF.
                Stupidity should be a crime, especially for drivers. I have NO patience for them.

                Comment

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