Acer AL 1511 sm

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  • knzy2004
    New Member
    • Aug 2010
    • 7

    #1

    Acer AL 1511 sm

    Acer AL 1511 sm, screen turns on for about 3 seconds then goes black. The Acer logo appears and like this appearence for redendencies and the light on the monitor turns green.
  • retiredcaps
    Badcaps Legend
    • Apr 2010
    • 9271

    #2
    Re: Acer AL 1511 sm

    If you mean the screen looks reddish, it could be a sign of dying ccfls.

    2 seconds to black can be

    a) bad caps
    b) bad ccfls
    c) bad ccfl wiring (especially the return wiring)
    d) bad secondary windings on the inverter transformer

    More details starting with post #19 at

    https://www.badcaps.net/forum/showthread.php?t=10419

    Also, see budm's Inverter tester using old CFL

    https://www.badcaps.net/forum/showthread.php?t=19987
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    Comment

    • FIXITNOW
      Senior Member
      • Jun 2008
      • 128
      • UK

      #3
      Re: Acer AL 1511 sm

      check/replace C924 (470uF/16V) & C922 (1000uF/16V)
      then if no better
      CHECK the 2 double diodes.
      There's 2 diodes inside each component, housed in the same
      casing. One of the diodes is posable shorted

      Comment

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