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Old 05-01-2013, 11:28 AM
plmnb plmnb is offline
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Default gtx 580 vrm and other chip replacment

Hello i need some help from you!. My gpu vrms are burned and i'm looking for way to repair it . I can see that 3 of them are damaged and the chip to the right of vrms is burned too -.-. Can u help me with it ?
gpu has two types of vrm on it MDU2654 CA7603GP and MDU2657 CL310FGP.
Is there any "replacment" vrms or similar that will fit . My gpu is gtx 580 (nvidia reference)
that's how my card is looking http://obrazki.elektroda.pl/1536205100_1367394928.jpg
when i want to turn on my pc then even my psu doesn't want to run ...

Last edited by plmnb; 05-01-2013 at 11:36 AM.
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Old 05-14-2013, 08:59 AM
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TiN TiN is offline
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Looks like major VRM damage and driver with mosfet's are dead.
You will need find replacements, but with driver it will be quite tough job, unless you can get somewhere dead GTX 480/580 or similar kind card to donor
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Old 05-24-2013, 09:30 AM
plmnb plmnb is offline
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Hmm.. I will order those drivers directly from china for 30US$
I have got MDU1511 MOSFETS
MDU2654 is 100A 3.4mOhm
MDU2657 is 61.7A 7.5mOhm
New mosfets have 100A 2.4mOhm

Seems to each phase consist of 2x MDU2654 and 1 MDU2657
I wonder if replacing (putting 3x 100A instead 2x 100A + 1x61.7A) won't damage it more.
This mosfet driver is CHL8510CRT or different new name IR3537
How can i check if gpu is not death . I got multimter and magnifier
Theres 8510 datasheet http://www.irf.com/product-info/data.../pb-ir3537.pdf
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Old 06-23-2014, 03:18 PM
barochniy barochniy is offline
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Itís really great posts.
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Last edited by barochniy; 08-28-2014 at 08:44 AM.
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