Please help me identify this PSU component?

Discussion in 'General Electronics Chat' started by scougadr, May 12, 2017.

  1. scougadr

    Thread Starter New Member

    May 12, 2017
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    Hi, apologies if I have posted the wrong forum, I am new member on this forum. Can you please help me identify this faulty component I removed from an LCD PSU board, I have attached a file. All I can see is it have US left hand side, and 125 written on it?
     
  2. R!f@@

    AAC Fanatic!

    Apr 2, 2009
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    Welcome to AAC.

    What component ?
    None of us have any crystal ball.
     
  3. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
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    Looks like an Inductor to me....can you remove the sleeving?

    125uH, or 125mH
     
  4. R!f@@

    AAC Fanatic!

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    Hey...where did that picture come from.
    I did not see it before...!

    Yes, An Inductor, or is it ? It also might be a fuse.
    Need to remove the heat shrink tubing
     
  5. bertus

    Administrator

    Apr 5, 2008
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    Hello,

    It is hard to tell what the component is.
    It looks like there is some heat shrink tubing on it.
    Can you post pictures of the component in different directions showing the top and bottom?

    Bertus
     
  6. scougadr

    Thread Starter New Member

    May 12, 2017
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    Sorry even my first post went prematurely, I have since attached a pic, thank-you for you help.
     
  7. scougadr

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    May 12, 2017
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    Do you suggest I take the wrap off it, this is how it was on the board?
     
  8. R!f@@

    AAC Fanatic!

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    Just remove the black wrapping.
    Then only we can be sure if it is a fuse or an Inductor.
    Or if you can show me where the component was on the PCB.
    From there we can identify the component
     
  9. Ylli

    Active Member

    Nov 13, 2015
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    I agree that it looks like an inductor. Why do you think it is defective?
     
  10. scougadr

    Thread Starter New Member

    May 12, 2017
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    It was the only component on the board that had black soot all the way around, all the capacitors looked fine.
     
  11. scougadr

    Thread Starter New Member

    May 12, 2017
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    Bottom right, thanks for your help.
     
  12. Dodgydave

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    Jun 22, 2012
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    Its a 3.15 amp Fuse,.
     
  13. wayneh

    Expert

    Sep 9, 2010
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    Are you referring to "F1"? Likely a fuse.
     
  14. R!f@@

    AAC Fanatic!

    Apr 2, 2009
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    It's a fuse.
    Told ya ! :cool:
     
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  15. bertus

    Administrator

    Apr 5, 2008
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    Hello,

    It is a 3.15 A fuse:

    scougadr_TV PSU 2_comment.jpg

    Bertus
     
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  16. scougadr

    Thread Starter New Member

    May 12, 2017
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    Ok thank-you I have removed the sleeving but need my 15x specs to read the writing on top, bear with me thank-you.
     
  17. scougadr

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    May 12, 2017
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    This will explain the sudden failure whence the TV was left on during the night and did not operate in the morning. Many many thanks for you help.
     
  18. SLK001

    Senior Member

    Nov 29, 2011
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    I've never seen a fuse like this. It is possible that an inductor was placed in the fuse slot. Check the resistance of the thing.
     
  19. bertus

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    absf and scougadr like this.
  20. scougadr

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    May 12, 2017
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