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Recent content by SpiderSpore

  1. S

    MSI RX 570 Gaming 4GB Component Identification

    finally figured out what it is 74AUP1G57GM https://www.aliexpress.com/item/1005003157211740.html
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    MSI RX 580 GAMING X+ 8GB Repair

  3. S

    MSI RX 580 GAMING X+ 8GB Repair

    was looking over the board and i noticed a cap was broken off, anyone know what the value of it could be?
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    MSI RX 580 GAMING X+ 8GB Repair

    yeah i got 3.3v Multi-Phase Controller It uses is ir35201 http://www.irf.com/product-info/datasheets/data/pb-ir35201.pdf These are the voltages i got from it Enable Pin 21 = 3.3 VCC Pin 38 = 3.3 dont know if i need anything else form it
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    MSI RX 580 GAMING X+ 8GB Repair

    i put a fresh battery in my meter resistance of core seemed high its 1.2 ohms now
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    MSI RX 580 GAMING X+ 8GB Repair

    12v is there just not the vcore after mosfets resistance on two inductors under 8 pins is 1.4k and rising no short in diode mode resistance on gate of high mosfet are all around 8.7k resistance on gate of low side are all around 1.8k
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    MSI RX 580 GAMING X+ 8GB Repair

    forgot they were dual mosfets, only tested high side all of them are showing a short from drain to source on low side
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    MSI RX 580 GAMING X+ 8GB Repair

    i dont think its the mosfets, did some more voltage tests and all of them have no voltage at the gate pin only 12v at drain pin is present
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    MSI RX 580 GAMING X+ 8GB Repair

    the mosfets are tesing good so it must be a gate voltage problem then, were would i begin
  10. S

    MSI RX 580 GAMING X+ 8GB Repair

    12v is getting to the mosfets, no voltage after them
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    MSI RX 580 GAMING X+ 8GB Repair

    never mind about the resistors my meter was giving different readings every time i measured just turned it off and on again seems to be ok now measured them again they are all the around the same must be something else
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    MSI RX 580 GAMING X+ 8GB Repair

    think im nearing the problem Should the resistors R528,R29 and so on all be the same value? R528 = 8.7k R29 = 5.2k R529 = 8.5k R28 = 0.00 R530 = 8.7k R652 = 8.5k R38 = 8.7k R78 = 8.7k
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    MSI RX 580 GAMING X+ 8GB Repair

    Its uses GS7256 for memory and memory controller http://www.gstekic.com/pdf/GS7256.pdf These are the voltages i got from memory controller (one on front of board) Pin 1 = 10.32 Pin 2 = 1.33 Pin 3 = 0.34 Pin 4 = 9.65 Pin 5 = 11.92 Pin 6 = 0.60 Pin 7 = 1.17 Pin 8 = 0.76 These are the voltages i...
  14. S

    MSI RX 570 Gaming 4GB Component Identification

    its some kind of logical and gate anyone know exactly what it is? its got 6 pads on it i haven't been able to find a replacement anyone know if i can use an alternative
  15. S

    MSI RX 580 GAMING X+ 8GB Repair

    trying to repair an rx580 there are no shorts on any of the rails and all resistances are normal all voltages are present except vcore dont know where to start with this one anyone know where to begin
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