L&C Tech LC-250ATX

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  • madmangil
    New Member
    • Jun 2018
    • 3
    • usa
    #1

    L&C Tech LC-250ATX

    new member here
    I am trying to power up a disk drive with an L&C Technologies LC-250ATX power supply which was removed from an old pc. The power supply was removed from the pc and the pc is gone. I turn it on and there is no fan or 12v power. I was told that I need to jumper something to get it to turn on. What do I need to do?
    thank you in advance
    madmangil
    Tags: None
    • Dan81
      SNES-powered
      • Oct 2013
      • 1866
      • Romania
      #2
      Re: L&C Tech LC-250ATX

      On the main ATX cable, jumper the green wire to any black wire.
      Main rig:
      Gigabyte B75M-D3H
      Core i5-3470 3.60GHz
      Gigabyte Geforce GTX650 1GB GDDR5
      16GB DDR3-1600
      Samsung SH-224AB DVD-RW
      FSP Bluestorm II 500W (recapped)
      120GB ADATA + 2x Seagate Barracuda ES.2 ST31000340NS 1TB
      Delux MG760 case

        Comment

        • madmangil
          New Member
          • Jun 2018
          • 3
          • usa
          #3
          Re: L&C Tech LC-250ATX

          works like magic. Thank you Dan

            Comment

            • momaka
              master hoarder
              • May 2008
              • 12175
              • Bulgaria
              #4
              Re: L&C Tech LC-250ATX

              I wouldn't use that L&C power supply for anything I care about. They were cheaply built back then with crap caps, and those caps have not gotten better over the years. I also don't suggest leaving that power supply plugged in unattended.

                Comment

                • PeteS in CA
                  Badcaps Legend
                  • Aug 2005
                  • 3581
                  • USA, Unsure of Planet
                  #5
                  Re: L&C Tech LC-250ATX

                  Originally posted by momaka
                  I wouldn't use that L&C power supply for anything I care about. They were cheaply built back then with crap caps, and those caps have not gotten better over the years. I also don't suggest leaving that power supply plugged in unattended.
                  But other than that it's great, right?
                  PeteS in CA

                  Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
                  ****************************
                  To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
                  ****************************

                    Comment

                    • Per Hansson
                      Super Moderator
                      • Jul 2005
                      • 5895
                      • Sweden
                      #6
                      Re: L&C Tech LC-250ATX

                      Originally posted by PeteS in CA
                      But other than that it's great, right?
                      It looks quite beefy to me (for a phone charger)
                      Wait, it's not a phone charger but a P4 compatible PSU? Oh, ok, nevermind me then.

                      Source: http://electron55.ru/power-supply/53...c-lc-250atx-p4
                      Attached Files
                      "The one who says it cannot be done should never interrupt the one who is doing it."

                        Comment

                        • PeteS in CA
                          Badcaps Legend
                          • Aug 2005
                          • 3581
                          • USA, Unsure of Planet
                          #7
                          Re: L&C Tech LC-250ATX

                          Originally posted by Per Hansson
                          It looks quite beefy to me (for a phone charger)
                          Wait, it's not a phone charger but a P4 compatible PSU? Oh, ok, nevermind me then.

                          Source: http://electron55.ru/power-supply/53...c-lc-250atx-p4
                          There's a PSU in that picture?

                          Just the heatsinks, 12V "dual rectifier", and input rectifiers alone say, "Load me more than 150W for very long and something will launch!" But with those 1KV DC pseudo-Y-caps I wouldn't plug it in.
                          Last edited by PeteS in CA; 06-27-2018, 12:07 PM.
                          PeteS in CA

                          Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
                          ****************************
                          To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
                          ****************************

                            Comment

                            • momaka
                              master hoarder
                              • May 2008
                              • 12175
                              • Bulgaria
                              #8
                              Re: L&C Tech LC-250ATX

                              Originally posted by PeteS in CA
                              But other than that it's great, right?
                              Eh... I've seen worse... much worse.

                              Originally posted by PeteS in CA
                              Just the heatsinks, 12V "dual rectifier", and input rectifiers alone say, "Load me more than 150W for very long and something will launch!" But with those 1KV DC pseudo-Y-caps I wouldn't plug it in.
                              Actually these crapola PSUs can't even do 50 Watts in spec when it comes to ripple suppression. So loading them past 60-80 Watts is already very dangerous.

                              And yes, those 1kV ceramic caps are not even "pseudo-Y" -rated at all - they're just plain old ceramic caps.

                                Comment

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