Question about Samsung LN-S4041D 40 in. LCD HDTV

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My Samsung LNS4041DX has a hard time trying to turn on. The red led light blinks a couple times and around 2 or 3 minutes later, it finally comes on?

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Replace the 4 Capacitors on the power supply board that are buldged up they are on the top right corner of the board where the ribbon jumps from the power board to the main board with ones from Jameco Part Number 606521 they worke perfect but make sure you put them in with the correct polarity easy to do just keep an eye on it. Very simple repair and took me about 30 min to take itapart solder on the new ones and put it back together all for under $10.

Posted on Jul 09, 2009

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My SAMSUNG LN-S4041DX/XAA .ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Verdana;} TV just clicks on/off repeatedly but it won't power up. The LED flashes 4 times and then it goes off. TV is 3 1/2 years old and of course out of warranty.

I am not ready to call a service person because they never seem to do anything but replace boards which is what I am doing.

Here is what I have done so far:

1. Replaced 10V capacitors on power supply board with higher voltage ones but same 1000uF rating. Didn't fix the problem.

2. Replaced entire power supply board with another one. Didn't work.

3. Now I plan to replace the main board on the right and the T con board at the top. I will do this separately to see if it fixes the problem. I will return whatever board that I don't need.

Can anyone think of something I am missing? Is it an easy fix that a repairman could do if he's good? I'm ready to call SEARS after this.

Thanks,
Anthony

Posted on May 24, 2010

  • wingsfan92 Dec 30, 2010

    Had the same thing happen after thunderstorms. Power must of surged and blown capacitor. Paid $ 50 for the repair guy to put in one that will never blow. (Used a higher voltage)
    Look in your area for electronics repair

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