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  1. #1

    ivanlabrie's Avatar
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    EVGA 7600 GT - help with vmod

    Well, I come here for some pointers regarding the subject...
    I got some replacement caps already for what seems like cracked caps and missing ones.

    Here are some shots showing the naked card:







    I'm gonna try it first on air, and might go for some sandwich bag action once I get my 3770k replacement which is on its way here as we speak (Horrerblade )
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  2. #2
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    EarthDog's Avatar
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    You are def. missing a cap!

    Until BobN comes in this is what google brought up: https://www.google.com/webhp?sourcei...w=1337&bih=914

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  3. #3

    ivanlabrie's Avatar
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    I've seen those but wanted some more insights, specially on the repair side of things.
    I don't wanna fire that sucker missing a cap and with the others caps with cracked tops.
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  4. #4
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    I don't see any cap issues (the dented-looking polymers have the gas relief scoring put in from inside the cap instead of from outside the cap, so it looks like lines of bulge. When they fail they split open, not subtle). The missing one is an issue. I'd use a low ESR (<10mOhm) 6.3V polymer with as much capacitance as you can manage. Then II'd put another one on the back side. Originally it was probably an electrolytic.
    Otherwise, those all look fine.
    The line on the cap and the line on the PCB denote negative (-), with the exclusion of some Asus motherboards.

    Voltmod wise this looks to be among the better guides, it'll walk you through it easily enough: http://www.xbitlabs.com/articles/gra...ltmodding.html
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  5. Thanks!

    ivanlabrie (03-04-13)

  6. #5

    ivanlabrie's Avatar
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    Yup, I guess that will do...Gonna get the pots and try soldering the missing cap back in place.
    For now this 3ghz p4 631 should do for testing xD
    Thanks for stopping by

    EDIT: btw, I got a few Ketuo and Jackson branded caps...All 6.3v 1500uf ones, which should I use?
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  7. #6
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    What are their ESR ratings?
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  8. #7

    ivanlabrie's Avatar
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    hmmm

    02
    0509
    LOW
    ESR

    That's what I see on the JACKON one. The Ketuo one doesn't even say anything ESR related on it. Just max temp (105c) and that is ROHS compliant xD
    If anything the Ketuo one is a bit bigger physically.
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  9. #8
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    Without a known ESR spec I can't really tell you much, heh. I'd go for which ever is taller, then put a second cap on the backside.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  10. #9

    ivanlabrie's Avatar
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    Second cap on the same spot? I could both I guess xD
    Do I solder them to the same legs and call it a day?
    I'm gonna vmod anyway, and got spare caps one for every type the card has. Should I put dual caps on all spots?
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  11. #10
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    Might as well, yeah. Make sure you get the polarity correct.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  12. #11

    ivanlabrie's Avatar
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    Or else...BOOM?

    I will, I expect to have it done by tomorrow. Expect some results by Wednesday.
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  13. #12
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    Yup. Best case: Cap leaks.
    Worst case: Cap dead-shorts and blows MOSFETs to hell, then explodes.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  14. #13

    ivanlabrie's Avatar
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    Well, I know what to do when I get my scores and feel like blowing up stuff then...
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  15. #14
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    Ivan as you know I'm planning on doing the same with my 7600gt so I hope you don't mind the hijack. I need to replace the caps on my card also. They say on the top FX75 1500 6.3, is this the replacement I should use? http://www.digikey.com/scripts/DKSea...82438018502229
    Last edited by Mandrake4565; 03-07-13 at 09:58 AM.
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  16. #15
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    Link doesn't work. Can you post the part number?
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  17. #16
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    Really i just clicked on it and it did, odd. Anyhow here's the #565-3229-ND
    Mountain Mods U2-UFO Duality/ Asus Crosshair V Formula----------Silverstone TJ07/ Asus Maximus Hero VI Z87
    Amd FX 8350 @ 4.7/ Msi GTX 780 Lightning-----------------------------Intel I7-4770K/ Msi GTX 580 Lightning
    OCZ Vertex 4 128g SSD/ Windows 7 64bit------------------------------Samsung Evo SSD/ Windows 7
    G-Skill Sniper X 4g @ 1866/ Cooler Master SP 1000-------------------G-Skill Ripjaw 2133/ Seasonic X-650w
    EK Supreme HF/ Thermochill PA 120.3------------------------------------Custom Benching Loop
    Dual Laing D5 Vario/ Koolance Rp-452X2
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  18. #17
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    I think it must cache the search in your browser. I've run into that problem with digikey links before.

    Those caps should work fine.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

  19. #18
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    Ok thanks Bob much appreciated.
    Mountain Mods U2-UFO Duality/ Asus Crosshair V Formula----------Silverstone TJ07/ Asus Maximus Hero VI Z87
    Amd FX 8350 @ 4.7/ Msi GTX 780 Lightning-----------------------------Intel I7-4770K/ Msi GTX 580 Lightning
    OCZ Vertex 4 128g SSD/ Windows 7 64bit------------------------------Samsung Evo SSD/ Windows 7
    G-Skill Sniper X 4g @ 1866/ Cooler Master SP 1000-------------------G-Skill Ripjaw 2133/ Seasonic X-650w
    EK Supreme HF/ Thermochill PA 120.3------------------------------------Custom Benching Loop
    Dual Laing D5 Vario/ Koolance Rp-452X2
    BitFenix Spectre Pro 6 X 120mm

  20. #19

    ivanlabrie's Avatar
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    Well, it seems the solder I got is not too good...What's the best kind for this type of application?
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  21. #20
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    40/60 lead/tin rosin core, 0.022", 0.031" works, but it's a bit clunky for tiny stuff.
    None of that RoHS junk.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." -- Einstein (maybe)

    Thinking about an Asus motherboard? Think again.

    How to check your PSU with a multimeter.

    17bXw5t51rEBXGavJFMJsC8g7HQgThUGc7

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