La-e541p

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  • mferna14
    Badcaps Legend
    • Jun 2018
    • 1008
    • Canada

    #21
    Re: La-e541p

    Another know how.. I remove PQ712, I get all the voltage on the Gate of PQ740 which is 24.5V a true voltage out here meaning ISL88739HRZ is working fine, but as soon I solder PQ712 the voltages drop again. PQ712 is not short & I also checked PQ707 (Protection) all seem to be fine. Do you think I should replace PQ712??? I also check PQ705 & PQ305 (Charging MOSFETs) & the surrounding caps., all seem to be fine. I removed the resistor PR913 to check if any short further but still the same. So there is something going on before this resistor. How come voltage is dropping???
    Last edited by mferna14; 07-05-2021, 05:18 PM.

    Comment

    • SMDFlea
      Super Moderator
      • Jan 2018
      • 20318
      • UK

      #22
      Re: La-e541p

      Originally posted by mferna14
      Another know how.. I remove PQ712, I get all the voltage on the Gate of PQ740 which is 24.5V a true voltage out here meaning ISL88739HRZ is working fine, but as soon I solder PQ712 the voltages drop again. PQ712 is not short & I also checked PQ707 (Protection) all seem to be fine. Do you think I should replace PQ712??? I also check PQ705 & PQ305 (Charging MOSFETs) & the surrounding caps., all seem to be fine. I removed the resistor PR913 to check if any short further but still the same. So there is something going on before this resistor. How come voltage is dropping???
      This is the schematic requests section. If you want help start a new thread in the main forum, as always .
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

      Comment

      • Adiktus
        Member
        • Jan 2020
        • 13
        • Philippines

        #23
        Re: La-e541p

        Originally posted by joby91
        Here are the schematics for la-e541p
        Greate help man thx

        Comment

        • doktorkomputer
          Senior Member
          • Aug 2016
          • 63
          • Poland

          #24
          Re: La-e541p

          Thx

          Comment

          • alterr333
            Member
            • May 2019
            • 43
            • México

            #25
            Re: La-e541p

            Originally posted by joby91
            Here are the schematics for la-e541p
            Thank you mate!!

            Big CHEERS!!!

            Comment

            • naseee
              Senior Member
              • Nov 2016
              • 96
              • india

              #26
              boardview
              Attached Files

              Comment

              • Rickkap
                Senior Member
                • Aug 2015
                • 123
                • UK

                #27
                Thank you

                Comment

                • almirsilvestre
                  Member
                  • Jun 2020
                  • 38
                  • Brasil

                  #28
                  Originally posted by joby91
                  Re: La-e541p

                  Here are the schematics for la-e541p
                  Thank you very much...may God bless you eternally and may you have much wisdom.

                  Comment

                  • almirsilvestre
                    Member
                    • Jun 2020
                    • 38
                    • Brasil

                    #29
                    Originally posted by naseee
                    boardview
                    Tahnk you so much...May God continue to bless you and give you much kindness and wisdom

                    Comment

                    • alterr333
                      Member
                      • May 2019
                      • 43
                      • México

                      #30
                      Originally posted by joby91
                      Re: La-e541p

                      Here are the schematics for la-e541p
                      THANK YOU BROTHER! Deserve a big jarof beer!

                      Comment

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