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Shunt resistor keeps frying


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Hello all :) I have a GPU problem that i'm running short on ideas on how to solve.


It's an MSI GTX980 Gaming edition card, picked up faulty on eBay.


It briefly worked, but a shunt resistor fried under load. (Panasonic ERJ-M1WSF5M0U) i've replaced it twice, but insta-fry upon power up. Could there be damage to the current detection IC that the shunt is connected to? They are V3505's if i'm looking at this correctly... I don't know much about them and as of yet, I can't find spares.


I can find replacements for the shunt resistor and I've thought about buying higher-rated ones..... with a lower resistance for a power limit workaround..... but without having a better idea of what's wrong, I don't think that's very...... informed.


Any pointers would be very welcome :) Thanks.



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