Diagnosing short to ground issue

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  • Leefreeman97
    New Member
    • Sep 2025
    • 5
    • United kingdom

    #1

    Diagnosing short to ground issue

    Hello, I have a pcb from an e scooter which had a faulty diode but even after removing it from circuit, it still has a short to ground on the three components circled. I have removed every cap on the board and tested one by one and the short is still there and all the caps test ok. Could this be because I haven’t put a diode back on it yet or where do I go next please?
  • petehall347
    Badcaps Legend
    • Jan 2015
    • 4431
    • United Kingdom

    #2
    check the regulator

    Comment

    • khalillll
      New Member
      • Sep 2025
      • 6
      • &00

      #3
      Before that, disconnect any cables connected to the board.
      Inject the low voltage and see which component is getting hot

      Comment

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