Question about Samsung LN-S4692D 46 in. LCD HDTV

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Got a new T-con but no luck

I got a new T-con from...

It did not fix :(

Problem.. No picture but sound,, back light kicks in and blinks when switching channels.

I think i got a bad board.

I lookd for that fuse at CP1 but cant find it, is it on the T-con board?
Should i get a new main board?

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  • 4 more comments 
  • Matthew Albert
    Matthew Albert Feb 28, 2009

    Thank you for replying.

    Yes the back light is constantly on, blinks when switching chanels, sounds works, power button works,, No on screen displays show,

    Everyone else on here with the same TV same problem, fixed it by switching out the t-con, this is why I am worried that I was sent a defective part.

    First thing that came to mind was the main board,

    but i found out that on this tv the logic board or t-con board have components on it that are normally on the main board. And seems to be a known issue with this tv.

  • Anonymous Mar 08, 2009

    I also replaced the T con board to fix this issue and it didn't fix it. I was also able to return the board purchased from for credit which is unusual. If this is their practice, it makes me wonder about the integrity of the board they sent me. Other web retailers do not allow return if the board was installed so I have been hesitant to purchase another one to try.
    From what I've researched, if it's not the T con then it's the LCD panel itself which is cost prohibitive to replace.


  • Matthew Albert
    Matthew Albert Apr 23, 2009

    The New Main board did not fix the problem.

    If i power the tv with the T-Con unpluged, its the same as if it was pluged in. just a blank screen

    I think im going to try a 2nd T-con board.

    Any other ideas?

  • Matthew Albert
    Matthew Albert Apr 24, 2009

    I was able to fix the old T-Con board and got the tv working with all the old parts,, I was sent a bad T-Con from the start,

  • Rick Putman
    Rick Putman Nov 01, 2012

    Sounds like the main board is bad.

  • Rick Putman
    Rick Putman Nov 01, 2012

    Sounds like the main board is bad.



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  • 54 Answers

Is your back light constantly on when you are not changing channels.if so replace the main board. can you see a menu if you hit the menu button ? that is generated by your main board..... replacing the t-con will only correct vertical lines in the pic.

Posted on Feb 28, 2009


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