All posts tagged "atx power supply repair"

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  UMAX 450W ATX SMPS Repaired

            Received PC SMPS for Repair Stating Dead (not working). Connected the SMPS to Series Bulb Board for testing. It is not showing any shorting.  For further inspection I removed circuit board out...

  • Posted September 28, 2025
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  CIRCLE PC ATX SMPS Model CPH698 Repaired

            Received Circle PC ATX SMPS for Repair from one of my techie friends, Stating fault symptom: Dead   Connected SMPS to Power & shorted PS_ON pin (Green Wire) to ground (Black) wire...

  • Posted September 13, 2025
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  Saving Computer SMPS Part – 14 

            Case (1) Zebronics ZEB450W : This was brought dead. Internal cleaning was already done. I saw a fixed capacitor had burst in the primary section: Since the SMD tester was flip flopping...

  • Posted August 9, 2025
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  Saving Computer SMPS Part – 14

            Case (1) Zebronics ZEB450W : This was brought dead. Internal cleaning was already done. I saw a fixed capacitor had burst in the primary section: Since the SMD tester was flip flopping...

  • Posted July 19, 2025
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  This Computer SMPS Survived A Third Attempt On Its Life – Story Of INTEX TECHNO ATX SMPS

            The above image is an extract form my previous article: https://jestineyong.com/maintenance-done-in-computer-smps-lasted-for-five-years/ This computer SMPS got serviced first in March, 2017, second in April, 2022 and got readmitted in December, 2024 withthe complaint...

  • Posted July 5, 2025
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  Saving Computer SMPS Part – 13

                Continuing my efforts to bring back the defective ATX Power Supplies which are replaced with new by most of the people globally! Following two such SMPS (written off cases, to...

  • Posted March 15, 2025
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  Saving Computer SMPS Part – 12

                Saving computer SMPS (ATX Power supplies) holds the first priority in my interest in electronics, mainly because of the wonderful book published by Jestine Yong on servicing SMPS. Here are...

  • Posted February 2, 2025
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  Saving Computer SMPS Part-11

            Case (1) Foxin F500S : This was brought to me in dead condition in August, 2024. Surprisingly this was bought in the mid  of 2023! That means it did not last even...

  • Posted January 4, 2025
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