Acer Aspire 1300 doesn't switch on at all

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  • mrfree
    Member
    • May 2012
    • 10
    • Italy

    #1

    Acer Aspire 1300 doesn't switch on at all

    I'm trying to repair an Acer Aspire 1300 series, when I press the power button nothing happens... no fan, any led, nothing.

    I disassembled it and removed all removable devices: battery, hdd, floppy, cdrom, ram but nothing changes I also tried to remove cpu too, still no changes

    The power supply output is ok, I checked the power button dipswitch on the mb and it works too... I'd like to test the standby power anywhere, it uses a Maxim 1632... any suggestion?
  • mrfree
    Member
    • May 2012
    • 10
    • Italy

    #2
    Re: Acer Aspire 1300 doesn't switch on at all

    Reading some useful threads on this forum I can add the mobo is probably a Quanta "T2A" rev E... I'm starting searching for the battery charger circuit on it

    Comment

    • mrfree
      Member
      • May 2012
      • 10
      • Italy

      #3
      Re: Acer Aspire 1300 doesn't switch on at all

      checking the battery circuit I've found on the battery + line (without battery attached) I've 5,45v just after insert the power plug, that voltage lowering constantly to about 0,6v after few seconds... could it be normal?

      Comment

      • fddizon
        Badcaps Veteran
        • Sep 2011
        • 555
        • Philippines

        #4
        Re: Acer Aspire 1300 doesn't switch on at all

        Originally posted by mrfree
        checking the battery circuit I've found on the battery + line (without battery attached) I've 5,45v just after insert the power plug, that voltage lowering constantly to about 0,6v after few seconds... could it be normal?
        looks like the circuit is draining the power. check for any shorted mosfets, capacitors on board

        Comment

        • leopold1112
          New Member
          • May 2012
          • 3
          • UA

          #5
          Re: Acer Aspire 1300 doesn't switch on at all

          To check tension on duty on MAX1632.
          Attached Files

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