need help ..COOLERMASTER RP-650-PCAR trouble ..

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  • holmes222
    Senior Member
    • Aug 2009
    • 61
    • INA
    #1

    need help ..COOLERMASTER RP-650-PCAR trouble ..

    hi all..greetings
    I have problem in last a week ..
    my recent psu doesnt start normaly in 24pin 8pin motherboard
    when plugged into the 24pin 8ppin motherboard .. .. psu does not turn on, but standby light is on ... if i push the power button theres no reaction ,still in standby condition..
    but if i plugs into the 20pin and 4pin motherboard .. the psu run normal ..all the voltages (+12v, +5v , +5vsb.etc) within the limits of 5% tolerance ..
    btw..this is not apfc psu ..still have switch for changing 100 /220 (passive pfc, of course) ..
    i live in indonesia ..so i use 220v ( i already checked the apfc switch)
    any suggestions and solutions?

    done for inspecting :
    1. the caps full of capxon
    2. the secondary caps seem bulged ( just few of them)
    3. powering psu with jumpering ps-on and ground ( green+black ) and 2 dvd rom for load..psu turn on normally ..voltage still within limit of 5% tolerance (checked with DMM)

    thanks for help ..

    ps:sorry for my bad english ..
    Last edited by holmes222; 08-12-2011, 06:06 PM.
    Tags: None
    • Toasty
      Badcaps Legend
      • Jul 2007
      • 4171
      #2
      Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

      Replace the caps. Then try it.

      Drives do not load 3.3v line. Critical to be smooth power from PSU to CPU.

      Motherboard caps could also be weak or failing.
      veritas odium parit

        Comment

        • holmes222
          Senior Member
          • Aug 2009
          • 61
          • INA
          #3
          Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

          Originally posted by Toasty
          Replace the caps. Then try it.

          Drives do not load 3.3v line. Critical to be smooth power from PSU to CPU.

          Motherboard caps could also be weak or failing.
          thx toast ..
          will do recap it tomorow ..
          recent motherboard are asus p5e x38 ..normal board powering with zeus 850w ST85ZF
          lately ..i get this psu (cm rs 650 pcar) from friend. .
          and when powering with cm rs-650-pcar ..it wont start, just standby..
          other mobo is ..abit nf7
          ...will start normally with CM rs-650-pcar plugged in with 20pin 4pin (plus 6pin power for agp gpu)


          here's some internal pic ..
          Attached Files
          Last edited by holmes222; 08-13-2011, 05:44 AM.

            Comment

            • Evil Lurker
              Warranty Voider
              • Feb 2011
              • 454
              #4
              Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

              I see at least three defective Capxcom KM an Kf series output filtering caps plain asw day. That PSU needs a full capacitor replacement.

                Comment

                • holmes222
                  Senior Member
                  • Aug 2009
                  • 61
                  • INA
                  #5
                  Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                  Originally posted by Evil Lurker
                  I see at least three defective Capxcom KM an Kf series output filtering caps plain asw day. That PSU needs a full capacitor replacement.
                  @Evil Lurker ...you're correct

                  2 capxon KM 2200uf 10v
                  1 capxon KF 4700uf 10v

                  btw..do i have to full recap all the caps ?? or just partial that looks bulged ??
                  what rating for replacement ?? bigger capacitance ?? bigger volt ??

                  here's the pic of 3 bulging capxon caps ..
                  Attached Files
                  Last edited by holmes222; 08-13-2011, 07:52 AM.

                    Comment

                    • c_hegge
                      Badcaps Legend
                      • Sep 2009
                      • 5219
                      • Australia
                      #6
                      Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                      Replace all the capxons on the secondary side. The others probably aren't far off failing.
                      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

                        • holmes222
                          Senior Member
                          • Aug 2009
                          • 61
                          • INA
                          #7
                          Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                          whooooaaaaaaaaaaaaaaa..
                          thanks for all advise ..

                          i first recap the 3 of suspected bulged capxon
                          2 capxon KM 2200uf 10v >>>>>> replaced with ltec 2200uf 10v
                          1 capxon KF 4700uf 10v >>>>>> replaced with pcetul 3300uf 10v
                          (replacement salvaged from other psu lying around)

                          finally ..this psu would turn on pluged into P5E X38 mobo ,,with his radeon 4830 (1x6pin pcie)
                          do a quick 3dmark test ..passed
                          superpi test ...passed
                          everest stability running for about 3 hours ...
                          voltage rail still within limit of 5% tolerance

                          next ...will do full recap all secondary capxon caps ..

                          thanks for badcaps ..Toasty ; Evil Lurker ; c hegge ....
                          Last edited by holmes222; 08-13-2011, 05:55 PM.

                            Comment

                            • PCBONEZ
                              Grumpy Old Fart
                              • Aug 2005
                              • 10661
                              • USA
                              #8
                              Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                              If it's working for now then take the time to source some good quality caps and recap the whole thing next time it has to come out.
                              .
                              Mann-Made Global Warming.
                              - We should be more concerned about the Intellectual Climate.
                              -
                              Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
                              - Dr Seuss
                              -
                              You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
                              -

                                Comment

                                • Th3_uN1Qu3
                                  Believe in
                                  • Jul 2010
                                  • 6031
                                  • Romania
                                  #9
                                  Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                                  Originally posted by PCBONEZ
                                  If it's working for now then take the time to source some good quality caps and recap the whole thing next time it has to come out.
                                  .
                                  QFT... Just because Delta gets away with Ltec it doesn't mean they're good. And PCE-TUR are likely old enough to only get one more year tops.
                                  Originally posted by PeteS in CA
                                  Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
                                  A working TV? How boring!

                                    Comment

                                    • holmes222
                                      Senior Member
                                      • Aug 2009
                                      • 61
                                      • INA
                                      #10
                                      Re: need help ..COOLERMASTER RP-650-PCAR trouble ..

                                      Originally posted by PCBONEZ
                                      If it's working for now then take the time to source some good quality caps and recap the whole thing next time it has to come out.
                                      .
                                      yep ..time to search good quality caps available
                                      will recap all secondary side ...

                                      Originally posted by Th3_uN1Qu3
                                      QFT... Just because Delta gets away with Ltec it doesn't mean they're good. And PCE-TUR are likely old enough to only get one more year tops.
                                      sorry ..only that caps are left in my old psu lying around
                                      Ltec salvaged from delta dps 350 , and PCE-TUR salvaged from enermax eg301p
                                      ..just for temporary
                                      will search for a good quality caps per PCBONEZ suggestion ..then will do a full recap

                                      here's some pic after recap ..
                                      Attached Files
                                      Last edited by holmes222; 08-13-2011, 06:27 PM.

                                        Comment

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