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19:24, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v controller schematic.jpg
19:24, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v controller schematic.jpg
19:23, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v board.jpg
19:23, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v board.jpg
19:20, 7 November 2023 ASRepairs talk contribs created page 5V Rail on Polaris GPUs Explained (Created page with "''''''In this guide, we will explore the 5V rail on Polaris cards, its functioning, utilization, potential issues, and how to resolve them.''''' {{Explanatory Guide}} == The Controller Circuit == Polaris cards typically use a straightforward Low Drop Out (LDO) regulator to generate 5V from the 12V_BUS supply. While various manufacturers may use different LDOs, the reference one is "[https://www.onsemi.com/pdf/datasheet/mc78m00-d.pdf MC78M05CDT]," featuring three pins: V...") Tag: Visual edit
19:16, 7 November 2023 ASRepairs talk contribs created page File:Polaris 5v schematic.jpg
19:16, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 5v schematic.jpg
19:10, 7 November 2023 ASRepairs talk contribs created page Short on base voltage rail on Polaris GPUs Repair (Created page with "{{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the card is not turning on at all, causes the entire computer not to turn on. Caused by a shorted component on 12V or 3.3V rail. This page will show where shorts might occur on a Polaris card and how to repair it. thumb|RX 480 reference. 12V_BUS possible shorts. (Figure 1) ==Symptoms== * Sub 100 Ω on either 12V_BUS, 12V_EXT,...") Tag: Visual edit
19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts back.jpg
19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts back.jpg
19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts front.jpg
19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts front.jpg
19:09, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vext shorts front.jpg
19:09, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vext shorts front.jpg
19:08, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vbus shorts back.jpg
19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vbus shorts back.jpg
19:08, 7 November 2023 ASRepairs talk contribs created page File:Polaris 12v bus shorts.jpg
19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 12v bus shorts.jpg
19:01, 7 November 2023 ASRepairs talk contribs created page File:480 pcb labeled back.jpg
19:01, 7 November 2023 ASRepairs talk contribs uploaded File:480 pcb labeled back.jpg
19:00, 7 November 2023 ASRepairs talk contribs created page File:480 pcb labeled front.jpg
19:00, 7 November 2023 ASRepairs talk contribs uploaded File:480 pcb labeled front.jpg
17:56, 7 November 2023 ASRepairs talk contribs created page Nvidia Pascal GPU Diagnosing Guide (Created page with "'''''Note: This guide applies to most Pascal-based graphics cards, ranging from the GTX 1060 to the 1080 Ti. While some vendors may use different PCBs or components, the general operational principles remain the same unless specified. For the purpose of this guide, we will be using a reference GTX 1080 as an example.''''' {{Explanatory Guide}} ''Have any questions? Need help with a specific GPU problem? Post to [https://www.reddit.com/r/GPURepair/ /r/GPURepair]!'' ==T...") Tag: Visual edit
17:56, 7 November 2023 ASRepairs talk contribs created page File:Pascal crystal oscillator .jpg
17:56, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal crystal oscillator .jpg
17:55, 7 November 2023 ASRepairs talk contribs created page File:Straps schematic gtx 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs uploaded File:Straps schematic gtx 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs created page File:Straps location 1080.jpg
17:55, 7 November 2023 ASRepairs talk contribs uploaded File:Straps location 1080.jpg
17:41, 7 November 2023 ASRepairs talk contribs moved page Repair Basics - Short Circuits to Short Circuits - Repair Basics
17:34, 7 November 2023 ASRepairs talk contribs created page BIOS Problems on Pascal GPUs Repair (Created page with " {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== If all hardware components on the card are verified to be in good condition and all required voltages are present, but the computer fails to detect the card, it often indicates a BIOS-related issue. The BIOS circuit operates as follows: During the initialization process, the GPU core pulls pin 1 (CS) low, which activates the BIOS chip. Subsequently, it reads the inf...") Tag: Visual edit: Switched
17:33, 7 November 2023 ASRepairs talk contribs created page File:Pascal Bios schematic.png
17:33, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal Bios schematic.png
17:33, 7 November 2023 ASRepairs talk contribs created page File:Pascal Bios board.jpg
17:33, 7 November 2023 ASRepairs talk contribs uploaded File:Pascal Bios board.jpg
16:56, 7 November 2023 ASRepairs talk contribs created page Nvidia GPU Memory Testing Guide (Created page with "So, your card has all voltages and you have verified that the bios circuit is working as it should but you still have no output from the card. Or there is output but you have artifacts, crashing under load, abnormal behavior etc. Well, you probably have a faulty memory chip and you've come to the right place. -Replacing memory chips is a difficult procedure requiring BGA soldering experience and the proper equipment. If you do not have the tools or the experience, you s...") Tag: Visual edit
16:56, 7 November 2023 ASRepairs talk contribs created page File:2060 memory example.jpg
16:56, 7 November 2023 ASRepairs talk contribs uploaded File:2060 memory example.jpg
16:55, 7 November 2023 ASRepairs talk contribs created page File:Mats example.jpg
16:55, 7 November 2023 ASRepairs talk contribs uploaded File:Mats example.jpg
16:55, 7 November 2023 ASRepairs talk contribs created page File:Nvidia memory labeling pascal.jpg
16:55, 7 November 2023 ASRepairs talk contribs uploaded File:Nvidia memory labeling pascal.jpg
16:46, 7 November 2023 ASRepairs talk contribs created page PEX Rail on Pascal GPUs Explained (Created page with "This page talks about the PEX rail on Pascal series of GPUs, how it works, what it's used for, and common problems with it.{{Explanatory Guide}} ==The Controller Circuit== thumb|PEX rail location (Figure 1)|link=https://repair.wiki/w/File:Pex_rail_location_on_pascal.jpg thumb|PEX schematic (Figure 2)|link=https://repair.wiki/w/File:Pex_schematic_pascal.jpgFile:PEX rail usage on Pascal GPUs.jpg|th...") Tag: Visual edit
16:46, 7 November 2023 ASRepairs talk contribs created page File:PEX rail usage on Pascal GPUs.jpg
16:46, 7 November 2023 ASRepairs talk contribs uploaded File:PEX rail usage on Pascal GPUs.jpg
16:46, 7 November 2023 ASRepairs talk contribs created page File:Pex schematic pascal.jpg
16:46, 7 November 2023 ASRepairs talk contribs uploaded File:Pex schematic pascal.jpg
16:46, 7 November 2023 ASRepairs talk contribs created page File:Pex rail location on pascal.jpg
16:46, 7 November 2023 ASRepairs talk contribs uploaded File:Pex rail location on pascal.jpg
16:43, 7 November 2023 ASRepairs talk contribs created page VMem Rail on Pascal GPUs Explained (Created page with "Vmem voltage rail on Pascal GPUs explained with most common problems associated with it.{{Explanatory Guide}} ==The controller circuit== on most Pascal GPUs, the PWM controller responsible for creating and maintaining Vmem voltage is [https://www.richtek.com/assets/product_file/RT8816A/DS8816A-07.pdf RT8816A] by RICHTEK with marking 7J=YM. It is a dual phase controller. The controller gets its power from 5V rail through 0Ω resistor...") Tag: Visual edit

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