Lenovo L580 not posting

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  • coltron
    Senior Member
    • Jan 2021
    • 98
    • England

    #21
    Re: Lenovo L580 not posting

    Thanks mcpisig123

    Comment

    • juergenb
      Member
      • Jan 2018
      • 42
      • Germany

      #22
      Re: Lenovo L580 not posting

      Hi,

      what would be the next step to find Short to Ground at L480?

      I have +5VALW but +3VALW ist 0V.
      I removed PJ202 and get +3VALW at PL201.

      Beyond PJ202 i have a short to Ground (about 0 Ohms with Fluke 179 in Diode Mode)...

      Should i inject 1V 1Amp at PJ202 and see what getting hot?

      The USB-C Port has a very bad connector, i need to wiggle a bit with the Connector ...

      Thanks

      Jürgen

      Comment

      • mcplslg123
        Badcaps Legend
        • Jun 2015
        • 7262
        • india

        #23
        Re: Lenovo L580 not posting

        @juergenb, yes you can do so and gradually increse the amps if nothing heats up. However, you should open a new thread as the OP may get confused with 2 different problems being discussed under one thread.

        Comment

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