Results 1 to 3 of 3

Thread: M2-ATX Burt out IC

  1. #1
    FLAC djmickyg's Avatar
    Join Date
    Feb 2004
    Posts
    1,314

    Exclamation M2-ATX Burt out IC

    Hi,
    My M2-ATX wasnt working, the PC would switch on and off when ever it felt like it.
    I've noticed ive got a burn out IC, could someone tell me what is ment to be written on the IC so i can change it? I havent had a real good look at the whole board yet as it's still in the car, I will pull it out when i get a chance.


    I have circled it in the attached picture.

    Thanks
    Attached Images Attached Images  

  2. #2
    FLAC djmickyg's Avatar
    Join Date
    Feb 2004
    Posts
    1,314
    hey is a pic of the burn IC..
    can some one tell me what's written on it??


  3. #3
    Newbie
    Join Date
    Aug 2003
    Posts
    6

    Fairchild FDS6680A FET

    That burned surface-mount component is really a transistor (N-channel FET), even though its package looks like an IC (notice the silkscreened label Q4 rather than U4).

    It's identical to Q3, on the other side of coil L1 in the square gray can.

    Full markings:

    F (Fairchild logo) AG1AN
    FDS
    6680A

    Datasheet at http://www.fairchildsemi.com/ds/FD/FDS6680A.pdf

    Since it's really just a 3-terminal device (top 4 pins tied together as Drain, 3 of 4 on the bottom as Source), if you locate a matching FET in some other case, like a TO-220 it should be possible to bend the pins and fit it in.

    Of course, there might be something else wrong that caused that FET to blow in the first place... it's part of the +12V buck/boost regulator circuit, if that's any clue.

    Good luck!

Similar Threads

  1. Xbox w/ M2 ATX and PSU convertor
    By MiniRX7 in forum Power Supplies
    Replies: 1
    Last Post: 11-25-2007, 06:45 AM
  2. m2 ATX 160 Watt - voltage irregular?
    By MiniRX7 in forum Power Supplies
    Replies: 2
    Last Post: 11-16-2007, 10:32 AM
  3. M2 ATX power supply wiring question... 3 terminals
    By Snortonnorton in forum Power Supplies
    Replies: 5
    Last Post: 07-25-2007, 07:25 PM
  4. Did I break my M2 ATX?
    By CelicaGTS in forum Power Supplies
    Replies: 8
    Last Post: 04-29-2007, 04:36 PM
  5. m2 atx with hardoff=never
    By Nerd2 in forum Power Supplies
    Replies: 2
    Last Post: 04-10-2007, 08:53 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •