Acer AL1916W flash ccfl's

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  • retrorepair
    Member
    • Jan 2012
    • 18
    #1

    Acer AL1916W flash ccfl's

    Hi all,

    This is my first post here. Hope to get some assistance...

    I've this Acer AL1916W with inverter+power board DAC-19M008 BF Rev: 01A.

    The problem is that ccfl's flashes once upon power on and then no backlight at all.

    I already changed all caps, and checked all fuses. No one is open.

    I think the problem is with feedback from backlight to IC200. I need assistance where to check for faulty components.

    If i disconnect the backlight's one by one, the others stays on a little will (1s), then go dark.

    Hope you can help me. Sorry for my english.

    Thanks in advance.
    Tags: None
    • retrorepair
      Member
      • Jan 2012
      • 18
      #2
      Re: Acer AL1916W flash ccfl's

      After all it was one of the ccfl's that went wrong...

        Comment

        • budm
          Badcaps Legend
          • Feb 2010
          • 40746
          • USA
          #3
          Re: Acer AL1916W flash ccfl's

          More likely to have burnt wire at the end of the lamp assembly.
          Never stop learning
          Basic LCD TV and Monitor troubleshooting guides.
          http://www.badcaps.net/forum/showthr...956#post305956

          Voltage Regulator (LDO) testing:
          http://www.badcaps.net/forum/showthr...999#post300999

          Inverter testing using old CFL:
          http://www.badcaps.net/forum/showthr...er+testing+cfl

          Tear down pictures : Hit the ">" Show Albums and stories" on the left side
          http://s807.photobucket.com/user/budm/library/

          TV Factory reset codes listing:
          http://www.badcaps.net/forum/showthread.php?t=24809

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