Pre-emptive recap on Shuttle SG31G2?

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  • chowder
    Member
    • Feb 2016
    • 44
    • UK

    #1

    Pre-emptive recap on Shuttle SG31G2?

    Hello

    I've acquired a cheap Shuttle shoebox - it's currently working well, but as I plan on running it 24/7 for as long as possible, would a re-capping to be on the safe side be a good idea?

    Here's a pic of the board with the capacitors and values circled:

    https://www.flickr.com/photos/30825931@N06/4577801307

    On my board, the yellow (10v 1500uF) caps are OSTs, and given their locations, I'm heavily leaning towards replacing them first.

    The ones marked in red (6.3v 1800uF) in the pic are Sanyos.

    I'll have to check the PSU out later...

    Thanks for any advice,
    Rob.
  • momaka
    master hoarder
    • May 2008
    • 12170
    • Bulgaria

    #2
    Re: Pre-emptive recap on Shuttle SG31G2?

    Yes, definitely do a pre-emptive recap. I was given an older Shuttle PC with blown caps, and they killed the Northbridge VRM (and Northbridge itself too, likely, as I couldn't revive it after fixing all of the damage). All OST and G-Luxon (if any) caps have to go. The Sanyo caps may be okay, depending on which series they are. For the most part, Sanyo makes really good caps. But I think either WG or WF had some problems.

    Comment

    • Wester547
      -
      • Nov 2011
      • 1268
      • USA.

      #3
      Re: Pre-emptive recap on Shuttle SG31G2?

      WG are very reliable. WF are the potentially bad ones, but they are seen seldom enough that it's hard to tell so they could just be another MCZ (too sensitive to heat to last in hot environments).

      Comment

      • stj
        Great Sage 齊天大聖
        • Dec 2009
        • 30997
        • Albion

        #4
        Re: Pre-emptive recap on Shuttle SG31G2?

        shuttle psu's are almost always the first problem - check it

        Comment

        • chowder
          Member
          • Feb 2016
          • 44
          • UK

          #5
          Re: Pre-emptive recap on Shuttle SG31G2?

          Originally posted by stj
          shuttle psu's are almost always the first problem - check it
          Ding, ding, ding, we have a winner

          PSU is a 250W Elanpower unit, pretty much 100% CrapXon, one already popped.

          Sorry for the quality of the pics, only have my phone to hand at the moment.

          So, is this PSU worth fixing do you think? The alternative is to pick up a new compatible FSP unit that I found, and hope there's less to fix in there...

          Edit: Scored a cheap Hipro that should fit, I have a weakness for Hipros
          Attached Files
          Last edited by chowder; 02-24-2016, 05:07 AM.

          Comment

          • stj
            Great Sage 齊天大聖
            • Dec 2009
            • 30997
            • Albion

            #6
            Re: Pre-emptive recap on Shuttle SG31G2?

            FSP used to have an obsesion with Teapo,
            the few HiPro i have seen use Lelon

            better to get new caps i suspect.

            Comment

            • chowder
              Member
              • Feb 2016
              • 44
              • UK

              #7
              Re: Pre-emptive recap on Shuttle SG31G2?

              Originally posted by stj
              FSP used to have an obsesion with Teapo,
              the few HiPro i have seen use Lelon

              better to get new caps i suspect.
              Oh yes, the PSU will be recapped. I'll take a look at the HiPro when it arrives and check with you guys to see which one is most worthy. Then I'll recap the other one anyway as a spare.

              I've got a stack of Panasonic FRs ready to do the motherboard after that. The Sanyos currently on there are SGs, but I'll replace them anyway.

              Thanks for the help so far!

              Comment

              • chowder
                Member
                • Feb 2016
                • 44
                • UK

                #8
                Re: Pre-emptive recap on Shuttle SG31G2?

                The HiPro has a KMG primary, an Ltec (ugh), 2 Rubycons (yay!) and the rest are Teapo (blah). The layout is a lot less cluttered than the Elanpower though, so it should stay cooler.

                The mobo has been partially recapped - I ran out of time to do the 1000uF OSTs, but the main caps have been swapped for Panasonic FRs.

                The Sanyo WGs were not original, someone had recapped whatever was there before me! I'm betting they were OSTs, those three 6.3v 1800uF caps seem to be a weak link, they're next to the NB, so likely responsible for the problems momaka had. I debated leaving them, but in the end swapped them out too.

                Rob.
                Attached Files
                Last edited by chowder; 02-25-2016, 01:39 PM.

                Comment

                • RJARRRPCGP
                  Badcaps Legend
                  • Jul 2004
                  • 6304
                  • USA

                  #9
                  Re: Pre-emptive recap on Shuttle SG31G2?

                  Originally posted by stj
                  FSP used to have an obsesion with Teapo,
                  the few HiPro i have seen use Lelon

                  better to get new caps i suspect.
                  2008s usually use Teapo, AFAIK. I have a 2008 FSP and all caps are visibly good and didn't notice bizarre voltage swings, thus I should still have good caps, knock on wood...

                  I do acknowledge that Teapo are middle-of-the-road...

                  I hope they're at least better than Fuhjyyu in CWT-based Antecs!

                  And when checking out the forums, I noticed that MSI liked using Lelon in their pre-2003 motherboards and AOpen liked using Lelon during the socket 478 era...

                  What did you see FSP use for caps lately???
                  Last edited by RJARRRPCGP; 02-25-2016, 01:53 PM.
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                  Comment

                  • momaka
                    master hoarder
                    • May 2008
                    • 12170
                    • Bulgaria

                    #10
                    Re: Pre-emptive recap on Shuttle SG31G2?

                    Originally posted by chowder
                    The mobo has been partially recapped - I ran out of time to do the 1000uF OSTs, but the main caps have been swapped for Panasonic FRs.
                    Make sure to get them done eventually, though. I see some of them are around buck regulators, and that is never good.

                    Originally posted by chowder
                    The Sanyo WGs were not original, someone had recapped whatever was there before me! I'm betting they were OSTs, those three 6.3v 1800uF caps seem to be a weak link, they're next to the NB, so likely responsible for the problems momaka had. I debated leaving them, but in the end swapped them out too.
                    Good thing you got rid of them. For all you know, those Sanyo WGs could be counterfeit if the person who did this before you got them online. Mind posting a picture of them? (bungs, vent, and case/body)

                    As for my Shuttle, it used an older model motherboard with a i915 chipset and DDR RAM. From what I remember, a 10V 1500 uF Ost RLX cap blew, along with two 10V 470 uF Ost RLGs - that's all the NB had for filtering. Even after fixing the NB VRM, the motherboard is still dead, so I am guessing dead NB.

                    And that's why you never ignore bad caps.

                    Comment

                    • Topcat
                      The Boss Stooge
                      • Oct 2003
                      • 16956
                      • United States

                      #11
                      Re: Pre-emptive recap on Shuttle SG31G2?

                      yes, definitelt recap that. failed caps on those boards cause the FET's to pop, and it snowballs from there, creating an unrecoverable board. I've seen lots of those first-hand. People run them with bad caps till they die, and then its too late. If it still works, recap it NOW! Replace all the lyics on the motherboard 1000uF and up. Also recap the PSU.
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                      • ReeceyBurger123
                        Never Give Up !
                        • May 2014
                        • 7325
                        • Britain

                        #12
                        Re: Pre-emptive recap on Shuttle SG31G2?

                        Also anyone who says Teapo are Ok needs to come and see how many I have replaced, Teapo suck ass same boat as Crapxon IMO.
                        Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

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                        Comment

                        • chowder
                          Member
                          • Feb 2016
                          • 44
                          • UK

                          #13
                          Re: Pre-emptive recap on Shuttle SG31G2?

                          Originally posted by momaka
                          Make sure to get them done eventually, though. I see some of them are around buck regulators, and that is never good.
                          Yep, they will be done soon, I feel bad using the system knowing they're still in there

                          I like the HiPro PSU, so that will be recapped too. Looks fine at the moment, although the 12V line is a little low by my measurements...

                          Originally posted by momaka
                          Good thing you got rid of them. For all you know, those Sanyo WGs could be counterfeit if the person who did this before you got them online. Mind posting a picture of them? (bungs, vent, and case/body)
                          Pics attached. My camera is still out of action, hopefully they're good enough. They look OK to me, but I don't think I've ever seen them in person before, so what would I know Definitely more legit looking than some of the ones I've seen on eBay!
                          Attached Files

                          Comment

                          • stj
                            Great Sage 齊天大聖
                            • Dec 2009
                            • 30997
                            • Albion

                            #14
                            Re: Pre-emptive recap on Shuttle SG31G2?

                            those foto's say SunCon not Sanyo !!!

                            Comment

                            • chowder
                              Member
                              • Feb 2016
                              • 44
                              • UK

                              #15
                              Re: Pre-emptive recap on Shuttle SG31G2?

                              Suncon make Sanyo caps, don't they?

                              https://www.badcaps.net/forum/showthread.php?t=14734

                              Comment

                              • rhomanski
                                nowhere man
                                • Dec 2009
                                • 5157
                                • U S of A

                                #16
                                Re: Pre-emptive recap on Shuttle SG31G2?

                                I can't remember how many pre-emptive recaps I've done. It is on 40 year old stereo equipment though. Would you believe some say that's wrong? They say it changes the original sound of the unit. I maintain it restores the original sound. You can hear the difference easily. Before and after that is.
                                sigpicThe Sky Is Falling

                                Comment

                                • kaboom
                                  "Oh, Grouchy!"
                                  • Jan 2011
                                  • 2507
                                  • USA

                                  #17
                                  Re: Pre-emptive recap on Shuttle SG31G2?

                                  Originally posted by rhomanski
                                  I can't remember how many pre-emptive recaps I've done. It is on 40 year old stereo equipment though. Would you believe some say that's wrong? They say it changes the original sound of the unit. I maintain it restores the original sound. You can hear the difference easily. Before and after that is.
                                  Because they're batshit insane, delusional audiophools.

                                  Recapping merely restores the so-called "original sound."

                                  Nothing like the "sound" of tubes redplating and output/pwr transformers smoking (tube equip) or DC offset and blown transistors/speakers (SS), right???

                                  These madhatters have forgotten/are clueless as to the actual original sound; they think something in as-is state, even after 40-60 years, is all "perfect-sounding" and "vintage."

                                  "Don't make it unoriginal, the magic is lost and it will never be the same- these things we cannot measure. How dare you suggest I look after my stuff! It still makes noise and you're just finding a way to take my money."


                                  We know it's not an act; they really are this stupid.
                                  And they'll only blame bad caps for a unit's troubles- it could never be those drifted resistors or corroded rivets/GNDs...


                                  For all the jerks out there, I only hope your stuff blows up- poetic justice for blowing off the advice and "warnings."
                                  "pokemon go... to hell!"

                                  EOL it...
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                                  guilty of being cheap-made!

                                  Comment

                                  • ChaosLegionnaire
                                    HC Overclocker
                                    • Jul 2012
                                    • 3264
                                    • Singapore

                                    #18
                                    Re: Pre-emptive recap on Shuttle SG31G2?

                                    the suncons in the first four pics look genuine to me. the vent is right, the bung is right (chain link fence style bung), the colour of the sleeve printing and font look right. the "V" and the "F" are the same size/height as the numbers. but could be a very good fake as there are tons of fake sanyos/suncons out there and forgers seem to love faking sanyo/suncon caps. no idea why.

                                    as for the last two pics, i cant comment because the flash may be too bright and its affecting the color of the sleeve printing.

                                    Comment

                                    • rhomanski
                                      nowhere man
                                      • Dec 2009
                                      • 5157
                                      • U S of A

                                      #19
                                      Re: Pre-emptive recap on Shuttle SG31G2?

                                      We know it's not an act; they really are this stupid.
                                      And they'll only blame bad caps for a unit's troubles- it could never be those drifted resistors or corroded rivets/GNDs...

                                      That's right, especially fuse resistors Sansui used around 1978. Most are almost open by now. Then there's the Sansui glue to contend with.

                                      My BA-3000 had a mysterious pop when you first turned it on, only once, and only when it was cold outside. After spring it quit. That fall it came back so I opened it up again. It was arcing across the two leads for power straight off the filters at the first board. Tracing it out I see two more small caps grounded through the mounting screw. A last chance filter if you will. I had to redo that ground and problem solved.
                                      sigpicThe Sky Is Falling

                                      Comment

                                      • momaka
                                        master hoarder
                                        • May 2008
                                        • 12170
                                        • Bulgaria

                                        #20
                                        Re: Pre-emptive recap on Shuttle SG31G2?

                                        Originally posted by ChaosLegionnaire
                                        the suncons in the first four pics look genuine to me.
                                        I second that.
                                        If they are fakes, they look pretty darn close to the originals. Probably okay to re-use in non-critical projects or ones that aren't really worth getting new caps (but maybe still worth repairing just for the heck of it?)

                                        Comment

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