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    acer e1-410 battery not charging

    Hi friends, I need help on this acer aspire E1-410 board id:
    EA40-BM MB
    13233-1M
    48.4OC10.01M

    the problem with this the battery no charging it stays at 1percent plugged in, but not increases the charge.I measured the PU4403IC LODRV AND HIDRV PIN15 AND PIN 18 no voltage, checked two mosfet PU4404 PIN 5-8=19V PIN 1-3=2.7V AND ON PU4405 PIN123=0V PIN5678=2.7V with no battery plugged in Charger only .but with battery plugged in and charger PU4404 PIN5-8=19V pin1-3=0.5v
    PU4405 pin 1-3=0.5v pin 5-8= 0v.I noticed also when plugged in the charger there is no charging light. anyone can help me on this please
    Attached Files

    #2
    Re: acer e1-410 battery not charging

    anyone can help on this please

    Comment


      #3
      Re: acer e1-410 battery not charging

      what is the voltage on bat2 pin 3 4 5 6 , PU4403 pin 8 9 10 , PU4402 S D G
      Last edited by Techtiger; 11-18-2019, 05:36 AM.

      Comment


        #4
        Re: acer e1-410 battery not charging

        bat pin 3-6 no voltages pu4403 pin 8=3.3v pin9=3.3v pin10=0v
        PU4402 S=19V D=0.5V G=19V

        Comment


          #5
          Re: acer e1-410 battery not charging

          I also found out that mosfet PU4405 Source is shorted to ground

          Comment


            #6
            Re: acer e1-410 battery not charging

            Originally posted by Mulong2019 View Post
            I also found out that mosfet PU4405 Source is shorted to ground
            PU4405 Source is connected to GND leave it there is no commination battery and charger IC/SIO, SCL SAD BAT IN should be 3.3V check PN4301 pin 2 3 4 it's a pack of resisters

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              #7
              Re: acer e1-410 battery not charging

              PN4301 pin2=2.6v pin3=2.9v pin4=0v

              Comment


                #8
                Re: acer e1-410 battery not charging

                Originally posted by Mulong2019 View Post
                PN4301 pin2=2.6v pin3=2.9v pin4=0v
                Do you have another battery to try? Do I continue to test PN4301 pin 4 and 5 with out battery and adapter

                Comment


                  #9
                  Re: acer e1-410 battery not charging

                  I dont have another battery to try. I test PN4301 pin4 and pin5 both have 0v without battery plugged in charger only

                  Comment


                    #10
                    Re: acer e1-410 battery not charging

                    But on the PN4301 pin 6 have 3.3v

                    Comment


                      #11
                      Re: acer e1-410 battery not charging

                      I find the same good battery to test and test it its working fine, it was dead battery.thanks again techtiger

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