Itek Atx 500W does not turn on

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  • CapLeaker
    Leaking Member
    • Dec 2014
    • 8159
    • Canada
    #81
    Re: Itek Atx 500W does not turn on

    looks like the board has burn marks where the inductor was on the second picture? i think you checked those diodes that were hiding under that inductor. So i am at a loss to see where the short is coming from, unless the filter caps on the output is shorted?

      Comment

      • falcontech
        Badcaps Veteran
        • Oct 2013
        • 470
        • italy
        #82
        Re: Itek Atx 500W does not turn on

        Yes, I have checked all the diodes and they are all ok, the output capacitors are all new

          Comment

          • falcontech
            Badcaps Veteran
            • Oct 2013
            • 470
            • italy
            #83
            Re: Itek Atx 500W does not turn on

            has become an enigma, this psu, are waiting to receive the identical working one

              Comment

              • falcontech
                Badcaps Veteran
                • Oct 2013
                • 470
                • italy
                #84
                Re: Itek Atx 500W does not turn on

                I checked everything I can't understand what it is

                  Comment

                  • CapLeaker
                    Leaking Member
                    • Dec 2014
                    • 8159
                    • Canada
                    #85
                    Re: Itek Atx 500W does not turn on

                    me neither for the moment.

                      Comment

                      • falcontech
                        Badcaps Veteran
                        • Oct 2013
                        • 470
                        • italy
                        #86
                        Re: Itek Atx 500W does not turn on

                        wait for the twin power supply to arrive and we'll update

                          Comment

                          • falcontech
                            Badcaps Veteran
                            • Oct 2013
                            • 470
                            • italy
                            #87
                            Re: Itek Atx 500W does not turn on

                            unfortunately the power supply that came to me is not the same, it is of the same brand, it is accurate on the outside but inside no, I'm thinking of disconnecting all the components on the secondary on one side to see if the short goes away

                              Comment

                              • falcontech
                                Badcaps Veteran
                                • Oct 2013
                                • 470
                                • italy
                                #88
                                Re: Itek Atx 500W does not turn on

                                Hi caps
                                I solved with the power supply, it was the inductance, I got an equal power supply and I understood that it was that, on having more than the original I bought a tester for inductances and looking at the values I had to modify one by removing the windings and I managed to get him started.
                                PS we concentrated on the short that is on the 5 volts but that short was also on the second power supply, so it was normal and then I thought it could be the inductance, since the original was burnt I had put one haphazardly and that's all, I learned a new thing

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