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the gutless, bloated, and fried power supply hall of shame

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    Re: the gutless, bloated, and fried power supply hall of shame

    This morning when I was at my computer, I heard a hissing sound and thought it was my monitor (which appears to be on its last legs), but I found out that it was a plugpack, DVD model DSA-0131F-05 and upon opening, a bulging 22uF 400V Jamicon TK (105C) unit was found.

    The particular unit is of the self-oscillating type, secondary capacitors are 680uF 10V Jamicon WG (before and after output inductor), and as in the picture, the fuse is crossing the secondary side, even though it has heatshrink on it.

    Has anyone else seen a bulging 400/450V Jamicon unit, especially if it is on the primary side?
    Attached Files
    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.

    Comment


      Re: the gutless, bloated, and fried power supply hall of shame

      If it is cooking itself in its own juices, than it is no surprise it has gone bad…how long was it working?
      Last edited by Behemot; 10-20-2012, 12:21 AM.
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        Re: the gutless, bloated, and fried power supply hall of shame

        Honestly, I have no idea.
        I meant DVE, not DVD.
        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.

        Comment


          Re: the gutless, bloated, and fried power supply hall of shame

          Originally posted by japlytic View Post
          Honestly, I have no idea.
          I meant DVE, not DVD.
          Ah yes, I have a few DVE brand adapters. I think all of them are transformer based, not SMPS.

          Did the hissing come from the capacitor exploding?

          You should blow up the capacitor :P

          -Ben
          Muh-soggy-knee

          Comment


            Re: the gutless, bloated, and fried power supply hall of shame

            Here's a delicious Deer for you guys to admire In these, when the sleeve bearing fan dies, they ALWAYS keep running until the switching transistors blow. I've seen 6 of them die and it's the switchers every time, as well as all the YC caps bulging
            Attached Files

            Comment


              Re: the gutless, bloated, and fried power supply hall of shame

              Damn... that's a 28 size transformer there. Talk about pathetic....

              On the other hand, many PSUs don't have over temperature protection, in all fairness, so they too continue to run when a fan seizes. But if the switchers die from a seized fan if you're not even running the PSU at even half its capacity then they must be pathetic as well.

              Comment


                Re: the gutless, bloated, and fried power supply hall of shame

                Originally posted by Pentium4 View Post
                Here's a delicious Deer for you guys to admire In these, when the sleeve bearing fan dies, they ALWAYS keep running until the switching transistors blow. I've seen 6 of them die and it's the switchers every time, as well as all the YC caps bulging
                Is the label 350 W at least?

                I just hope thats B0S, not BOS on the transformer, if Brotherhood of Steel made such a crap, that would ruin all my belief in them
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                  Re: the gutless, bloated, and fried power supply hall of shame

                  Yeah it happens to these things a lot The label claims 250W. 192W on the 12V. Looks like B0S

                  Comment


                    Re: the gutless, bloated, and fried power supply hall of shame

                    Thats not bad, it even looks it can do 200 W continuous, 250 W maybe. Expected more generous label
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                      Re: the gutless, bloated, and fried power supply hall of shame

                      They are getting better.

                      Comment


                        Re: the gutless, bloated, and fried power supply hall of shame

                        They definitely are getting better. They need to at least put a ball bearing fan in there though. And fix the fan controller. The fan spins at the same speed at <50W as it does when it's pulling over 150W and it starts to get pretty hot.

                        Comment


                          Re: the gutless, bloated, and fried power supply hall of shame

                          Well it's not so surprising after all, you can get 550W OCZ ZS with 80+ bronze certifications for some 55 USD…
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                            Re: the gutless, bloated, and fried power supply hall of shame

                            Originally posted by Behemot View Post
                            Well it's not so surprising after all, you can get 550W OCZ ZS with 80+ bronze certifications for some 55 USD…
                            That's pretty good. Here is the exact PSU on Newegg, overpriced if you ask me. http://www.newegg.com/Product/Produc...Power-Supplies

                            Comment


                              Re: the gutless, bloated, and fried power supply hall of shame

                              Ah, it's SFX than? These are generally pricier…
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                                Re: the gutless, bloated, and fried power supply hall of shame

                                Looks like B0S
                                Maybe POS, Piece Of ...

                                I would guesstimate it at 150W-200W. Wasn't 185W common in that case size? It actually has an input filter on the AC side. OTOH, the O/P caps are all extra well done!
                                PeteS in CA

                                Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
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                                  Re: the gutless, bloated, and fried power supply hall of shame

                                  Originally posted by PeteS in CA View Post
                                  Maybe POS, Piece Of ...

                                  I would guesstimate it at 150W-200W. Wasn't 185W common in that case size? It actually has an input filter on the AC side. OTOH, the O/P caps are all extra well done!
                                  Hahaha I actually have one being used for a linux box (requires around 100W continuous, around 160W under load) I recapped it and put a ball bearing fan in there. Just to see if the little bugger can last with a little upgrade

                                  Comment


                                    Re: the gutless, bloated, and fried power supply hall of shame

                                    It's actually pretty tough to get something usable in SFX factor, at least here. Everything is expensive and the best thing you can usually buy is something from FSP Group, full of crappy caps anyway.
                                    Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts

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                                      Re: the gutless, bloated, and fried power supply hall of shame

                                      VENR (fake ?) 450S-ATX

                                      No EMI filter. Primary caps : Fhy 330uF - 200V x2 85C
                                      Two transistors 5VSB: C945, D13003
                                      Main switcher: D13007 x2. Very small main tranformer.
                                      Secondary:
                                      Rectifiers: S16C40C x2, F12C20C. No pi filters.
                                      DC filter caps: 1000uF - 16V x3 , 470uF - 16V, 1000uF - 16V (5VSB), all BH 105C.
                                      PWM controller : HS8108.
                                      Attached Files

                                      Comment


                                        Re: the gutless, bloated, and fried power supply hall of shame

                                        That thing is silkscreened to have PFC? That looks like a new age Leadman/Linkworld
                                        Last edited by Pentium4; 10-24-2012, 01:58 AM.

                                        Comment


                                          Re: the gutless, bloated, and fried power supply hall of shame

                                          Originally posted by Pentium4 View Post
                                          That thing is silkscreened to have PFC? That looks like a new age Leadman/Linkworld
                                          This PSU has no PFC, just jumbered. I don't know who is real manufacturer. This is their logo.
                                          Attached Files

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