Announcement

Collapse
No announcement yet.

The Hall of Shame - Badcaps Photo Montage

Collapse
This is a sticky topic.
X
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    Re: The Hall of Shame - Badcaps Photo Montage

    Originally posted by Heihachi_73 View Post
    The aforementioned Rubycon YKs that I ripped out of a smashed 2001 Sony Trinitron TV were still closer to the sleeve rating (470uF/25V) than the S.I. "Low ESR" caps which even had higher ESR than the general purpose 85°C Rubycons, never mind the fact that the Trinitron most likely had upwards of ten years use before the analog TV reception was switched off in Australia.
    I have a few of those Nichicon VZ and Rubycon YK in my stash, too - came from some smashed Sony Trinitron TV's, just like yours. Not a single bad one yet. I typically use them in amplifiers and audio circuits, though. They'll probably work there forever.

    Originally posted by Wester547
    Those findings aren't consistent with mine, actually.

    In many GPS-350 series units, for an example (made in 2005 or thereabouts), I found that it's always the CapXon GL on the +12V rail (or +5VSB) that's bad whilst the LTEC LTG/LZG and Taicon PW are almost always fine.
    Yes, in older OEM units (before 2006-2007, I think), Ltec used to not be that bad. But after those years, I think Ltec really took a nosedive in their quality (or whatever was left of it).
    Meanwhile, CapXon is still crap and no one can tell when they will fail (typically sooner rather than later). Teapo is... meh. too

    In short, I agree that it's pointless to discuss them. They are all pretty bad. But I still think some are worse than others. And that's worth knowing IMO, because at least for me, there are cases where I can't recap everything and need to make a choice which one of these brands I can leave behind for a few more years of service and which should I recap right away. Ideally, I would recap all crap brands, but sometimes either the customer/person who I am doing the repair for and/or personal finances and time just don't allow me to replace all those crap caps. So in those cases, it's usually Taicon, Teapo, Su'scon, and Elite that usually get to wait for a bit longer while CapXon and Ltec usually get booted out.

    Comment


      Re: The Hall of Shame - Badcaps Photo Montage

      Would not trust Elite ever, especially them input high-voltage ones.

      As for Samwha quality, just got some Siemens or similar analog security-camera digitizers (with integrated HDD and another external connection for SCSi cluster ). Powered by 12 V line, there was some board, probably with buck DC-DC modules, every single one of them in each device is bloated. And those are quite large caps. I said many times and still say I don't even trust these Samwha/Samyoung koreans, they never managed to make a good cap and probably never will…
      Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts

      Exclusive caps, meters and more!
      Hardware Insights - power supply reviews and more!

      Comment


        Re: The Hall of Shame - Badcaps Photo Montage

        Originally posted by momaka View Post
        In short, I agree that it's pointless to discuss them. They are all pretty bad. But I still think some are worse than others. And that's worth knowing IMO, because at least for me, there are cases where I can't recap everything and need to make a choice which one of these brands I can leave behind for a few more years of service and which should I recap right away. Ideally, I would recap all crap brands, but sometimes either the customer/person who I am doing the repair for and/or personal finances and time just don't allow me to replace all those crap caps. So in those cases, it's usually Taicon, Teapo, Su'scon, and Elite that usually get to wait for a bit longer while CapXon and Ltec usually get booted out.
        I've seen many Su'scon fail in LCD monitors, and bulging and leaking Su'scon aren't a stranger to me in older Hipro PSUs. So I would not rank them much higher than Teapo/CapXon/LTEC. Elite are also failure-prone, but I *have* found that their ultra low-impedance series (EB) has a *slightly* lower failure rate than NCC's KZG series (those made before 2008) at least....

        Originally posted by Behemot View Post
        Would not trust Elite ever, especially them input high-voltage ones.

        As for Samwha quality, just got some Siemens or similar analog security-camera digitizers (with integrated HDD and another external connection for SCSi cluster ). Powered by 12 V line, there was some board, probably with buck DC-DC modules, every single one of them in each device is bloated. And those are quite large caps. I said many times and still say I don't even trust these Samwha/Samyoung koreans, they never managed to make a good cap and probably never will…
        Samwha's low impedance series (WB, XC, VA, WL, etc) are crap. Right down there with CapXon with how high a failure rate they have in LCD TVs and what not. Samyoung's low impedance series are also pretty bad - they fail very often on Winfast/Foxconn socket AM2 motherboards and on older Albatron socket 754 boards too (NXC series), and bad Samyoung NXB in LCD TVs is not uncommon. For whatever reason, their general purpose series fare better, although they are not impervious to failure (but what is? ).

        Comment


          Re: The Hall of Shame - Badcaps Photo Montage

          I mentioned that on purpose as many people here would put both of them in the "better ones among the bad". For me it's just crap and utter crap, but I usually don't have the time nor the mood to differentiate what's what
          Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts

          Exclusive caps, meters and more!
          Hardware Insights - power supply reviews and more!

          Comment


            Re: The Hall of Shame - Badcaps Photo Montage

            Originally posted by momaka View Post
            Typical.
            Also, I second what Behemot says about the controller stuck in PIO mode. I had that happen a few times as well. If the HDD is not making any weird noises when opening files and is just slow, it's probably a controller speed issue.
            Unfortunately the HDD was almost dead.

            It took ~10 minutes before it was recognized by Windows (connected to a USB HDD dock). All the data could be copied, but it was very slow.

            I've had hard drives fail because of bad PSUs before (Crapxon and Jenpo caps).

            Comment


              Re: The Hall of Shame - Badcaps Photo Montage

              My ADSL2 router died two days ago. I hacked apart the wall wart to find two bulged Su'scon caps and an obliterated 8-pin IC. Replaced the 12V DC c/pos 0.5A wall wart with a random Delta one (same voltage and polarity but 1.25A) and all is well.
              Last edited by Heihachi_73; 08-19-2018, 03:11 PM.

              Comment


                Re: The Hall of Shame - Badcaps Photo Montage

                That's normal situation, the first and last thing anybody cares about with these things is price. Even of they use quality brands - as they usually don't - they use GP series like Samxon KM, NCC KMG. Those often get bad. Just opened few of such nonworking PSUs of different rated power specs, found exactly this: bulging KM, KMG with electroded corroded off…brands like Canon, Cisco, Sunny. It was not utter garbage acutely dangerous to use, but not that far from it either.
                Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts

                Exclusive caps, meters and more!
                Hardware Insights - power supply reviews and more!

                Comment


                  Re: The Hall of Shame - Badcaps Photo Montage

                  Originally posted by Heihachi_73 View Post
                  My ADSL2 router died two days ago. I hacked apart the wall wart to find two bulged Su'scon caps and an obliterated 8-pin IC. Replaced the 12V DC c/pos 0.5A wall wart with a random Delta one (same voltage and polarity but 1.25A) and all is well.
                  I'd just hog an adapter out of my stash of around 200 adapters (no joke).
                  Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

                  My computer doubles as a space heater.

                  Permanently Retired Systems:
                  RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
                  Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


                  Kooky and Kool Systems
                  - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
                  - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
                  - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
                  - Main Workstation - Fully operational!

                  sigpic

                  Comment


                    Re: The Hall of Shame - Badcaps Photo Montage

                    3x Nippon Chemi-Com KZG 2200uf 6.3v
                    These are part of a PSU in a (Scraped) DVR.
                    Attached Files
                    I'm not a expert, I'm just doing my best.

                    Comment


                      Re: The Hall of Shame - Badcaps Photo Montage

                      And the KZEs are doing just fine, unsurprisingly.
                      PeteS in CA

                      Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
                      ****************************
                      To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
                      ****************************

                      Comment


                        Re: The Hall of Shame - Badcaps Photo Montage

                        Originally posted by PeteS in CA View Post
                        And the KZEs are doing just fine, unsurprisingly.
                        As usual.

                        And this is nothing. I have a Dell Dimension E5150 motherboard littered with KZG caps of a few different sizes. But not like that matters - they are all bad/bulged. What's even more funny is that some of these KZG caps are in low-stress spots (like next to PCI connectors) and there are 85C Chemicon SME (general purpose) caps sitting right next to them - all fine, of course.

                        Comment


                          Re: The Hall of Shame - Badcaps Photo Montage

                          KZG never fail to well... fail. Only Sacon/GSC, Rulycon/Jee/YEC, and some really dodgy brands that gained notoriety in the early 2000s (Chhsi, Jackcon, Fuhyin, etc) actually seem to be worse.
                          Last edited by Wester547; 11-07-2018, 11:59 PM.

                          Comment


                            Re: The Hall of Shame - Badcaps Photo Montage

                            Originally posted by momaka View Post
                            As usual.

                            And this is nothing. I have a Dell Dimension E5150 motherboard littered with KZG caps of a few different sizes. But not like that matters - they are all bad/bulged. What's even more funny is that some of these KZG caps are in low-stress spots (like next to PCI connectors) and there are 85C Chemicon SME (general purpose) caps sitting right next to them - all fine, of course.
                            The torture tests I was doing 10 years ago (two employers ago, now) were very different from real life MB conditions, but I found KZEs very tough, and KZGs and KZJs remarkably awful. NCC/UCC F'ed up somehow with those two series.
                            PeteS in CA

                            Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
                            ****************************
                            To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
                            ****************************

                            Comment


                              Re: The Hall of Shame - Badcaps Photo Montage

                              Capxon GL 1000uf 16v

                              This was inside a 12v power supply i got for a 1$. I'll most likely replace all three Capxon GL caps on the power supply with whatever i have on hand.
                              Attached Files
                              I'm not a expert, I'm just doing my best.

                              Comment


                                Re: The Hall of Shame - Badcaps Photo Montage

                                Looks like a discontinuous flyback, definitely a stressful application. PW and LXZ look to be similar impedance.
                                PeteS in CA

                                Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
                                ****************************
                                To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
                                ****************************

                                Comment


                                  Re: The Hall of Shame - Badcaps Photo Montage

                                  The only good use for CapXon caps is hooking them up to AC and watching them pop. They belong in the bin along with Chinese Duracell batteries.

                                  Comment


                                    Re: The Hall of Shame - Badcaps Photo Montage

                                    The thing is, this is the second time i've opened up one of these power supplies to find a failed Capxon GL cap.

                                    So far, the capacitors i have on hand that i think might be able to replace this capacitor is a 1000uf 25v Sam Young KME, a 1000uf 16v Junfu WG, and a 1000uf 16v Rubycon YXJ. (i'm not sure if i want to use the Rubycon since i'm not sure how often i need to use this power supply).
                                    Last edited by RukyCon; 12-13-2018, 12:52 AM.
                                    I'm not a expert, I'm just doing my best.

                                    Comment


                                      Re: The Hall of Shame - Badcaps Photo Montage

                                      Is it just me, or are mid-2000s' Fuhjyyu caps the worst of Fuhjyyu caps? I swore that the most bad Fuhjyyu caps I saw, were in mid-2000s' Antec PSUs!
                                      Last edited by RJARRRPCGP; 12-16-2018, 10:01 PM.
                                      ASRock B550 PG Velocita

                                      Ryzen 9 "Vermeer" 5900X

                                      16 GB AData XPG Spectrix D41

                                      Sapphire Nitro+ Radeon RX 6750 XT

                                      eVGA Supernova G3 750W

                                      Western Digital Black SN850 1TB NVMe SSD

                                      Alienware AW3423DWF OLED




                                      "¡Me encanta "Me Encanta o Enlistarlo con Hilary Farr!" -Mí mismo

                                      "There's nothing more unattractive than a chick smoking a cigarette" -Topcat

                                      "Today's lesson in pissivity comes in the form of a ziplock baggie full of GPU extension brackets & hardware that for the last ~3 years have been on my bench, always in my way, getting moved around constantly....and yesterday I found myself in need of them....and the bastards are now nowhere to be found! Motherfracker!!" -Topcat

                                      "did I see a chair fly? I think I did! Time for popcorn!" -ratdude747

                                      Comment


                                        Re: The Hall of Shame - Badcaps Photo Montage

                                        Well, they're Fuhjyyu so it's almost a given...

                                        That said, I have a 2010-dated 420W Thermal Master TM-420-PMSR (the same one that HWI blew up in their tests) with Fuhjyyu mains and who knows what else inside (I can see the Fuhjyyu logo through the grille, haven't looked inside yet) and it's still running without any issues despite running 24/7 since 2012.

                                        These days they're probably a step above CapXon, although I still wouldn't trust them in expensive machines.

                                        Comment


                                          Re: The Hall of Shame - Badcaps Photo Montage

                                          Found this in an ATX supply and I thought it might be interesting: not sure if that white "fog" is directly related to the bulged cap, but I believe it is, since I haven't seen anything like that so far...what is that ? Has anybody seen this before ? :| Does electrolyte "vape" like that ?
                                          Attached Files
                                          Wattevah...

                                          Comment

                                          Working...
                                          X