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Thread: What to look for when your PSU bites the big one

  1. #1
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    Default What to look for when your PSU bites the big one

    The Rosewill died the night before last, while I was sleeping
    So I have no idea what happened when it went.
    I walked into the office and saw the rig was down.
    I thought mabey I had a surge or something. I tried to restart it, no dice.
    Hooked a meter to it, no one home.Tried another PSU in it's place,
    instant boot.

    The only sound I ever heard out of this PSU, was some sreeching towards the end{I thought it was the intake fan}
    I cracked her open, expecting to see soot, but no smell, black scorching
    or trace melting, caps look good, can't tell with the Teapos,
    So I took out the PCB and butchered the wires so I could have a look see.
    Still looks normal

    Can ya'll tell me how to tell what caused this unit to fail{Rosewill comments
    witheld}
    Here are some pics{fair quality}
    Last edited by Jon Gerow; 12-06-2006 at 07:32 PM. Reason: Removed images
    MSI P67A-GD65
    i72600K@4.8
    Corsair H70
    4x4Gb GSkill Ripjaws 16Gb 1600
    MSI 670 GTX PE/OC
    2x750Gb Seagate Barracuda's RAID 0
    Zalman ZM-MFC1
    Lite-On Dvd burner
    SB X-FI Xtreme Gamer Fatal1ty Pro
    Silverstone Zeus ST85ZF
    Coolermaster HAF-932
    "Experience is the benchmark of maturity"

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    Default

    And some more
    Last edited by Jon Gerow; 12-06-2006 at 07:34 PM. Reason: Removed images
    MSI P67A-GD65
    i72600K@4.8
    Corsair H70
    4x4Gb GSkill Ripjaws 16Gb 1600
    MSI 670 GTX PE/OC
    2x750Gb Seagate Barracuda's RAID 0
    Zalman ZM-MFC1
    Lite-On Dvd burner
    SB X-FI Xtreme Gamer Fatal1ty Pro
    Silverstone Zeus ST85ZF
    Coolermaster HAF-932
    "Experience is the benchmark of maturity"

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    Default

    What the heck is that yellow(the gue) stuff? It looks umm ... nasty!!!

    Veno(V)

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    Default

    look at your fuse, it deffiently looks burnt out. first thing id do was replace the fuse.

    but before even started testing the psu again, id suggest look at the bungs of the capacitors to see if any are bulging, since none of the vents seem to be bulged.

    keep in mind though, capacitors can fail without any visible signs, also, failed capacitors most of the time wont prevent a power supply from turning on, it will only cause horrible ripple.

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    Default

    Quote Originally Posted by Veno(V) View Post
    What the heck is that yellow(the gue) stuff? It looks umm ... nasty!!!

    Veno(V)
    its just that, glue.

    used to keep the components in place and to prevent them from vibrating. all psu's have that.

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    Default

    New rule: Please limit image size to 800x600.

    Thanks.

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    Quote Originally Posted by jonnyGURU View Post
    New rule: Please limit image size to 800x600.

    Thanks.

    haha, good idea, i had to scroll sideways to see the images even on a widescreen!

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    Default Holy high resolutions Batman!

    Like the Antec SP/TP, that that unit is filled with Fujyuu caps on the secondary side. Look to see if any have vented from the bung (cap at the bottom), this will cause tilting. In the last pic one little guy is tilted but it was probably installed that way. Sight down the sides to look for bulging.
    Unlike Teapos, Fujyyus will generally show phyical signs of failure.

    The large bulk cap and the Teapo primaries should be w/o issue.

    Hey!! Someone cut the harness! That's the problem...Gremlins
    Worth a good looking over. http://www.badcaps.net/

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    Default

    When you come back CAD...Post a pic of the fuse.
    Worth a good looking over. http://www.badcaps.net/

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    Default

    LOL,
    The fuse "was" good because that was the first thing I checked and replaced.
    Didn't think I would have to post that

    Sorry about the pics, if you want them back, just yell
    MSI P67A-GD65
    i72600K@4.8
    Corsair H70
    4x4Gb GSkill Ripjaws 16Gb 1600
    MSI 670 GTX PE/OC
    2x750Gb Seagate Barracuda's RAID 0
    Zalman ZM-MFC1
    Lite-On Dvd burner
    SB X-FI Xtreme Gamer Fatal1ty Pro
    Silverstone Zeus ST85ZF
    Coolermaster HAF-932
    "Experience is the benchmark of maturity"

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