Question about Samsung LCD-TV LE40S81B 40 in. HD-Ready LCD TV

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SAMSUNG LE40S86BDX WONT SWITCH ON JUST CLICKING AND RED STANDBY LIGHT FLASHING

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Hello,
Clicking and not switched on because capacitors on pcb power have damage.
open and change the capacitors can solved your problem.
if any problem after replacing capaditors, let me know . thanks

Posted on Mar 28, 2011

  • 10 more comments 
  • pjvv1 May 20, 2011

    Hello,

    I've got the same problem. How do I find out the bad capacitors? Is there any video tutorial to learn how to change those capacitors?

    Thanks!!

  • Basuki Jrobenk
    Basuki Jrobenk May 21, 2011

    hello,
    It's simple... bad capacitors can be seen from the physical form capacitors, usually bubble and almost exploded. read my tips :http://www.fixya.com/support/r8811424-no...

  • pjvv1 May 24, 2011

    Thanks. I've changed the wrong capacitors (there were four as many people have reported on the Internet) but the problem persists.

    The wrong capacitors were in the upper right corner of the pcb. I put 4 new capacitors 1000 uF 16v instead of the old 1000 uF 10v.

    I just changed the wrong capacitors, should I change all of them? Others seem to be right...

    Any ideas?

    Thanks in advance!!

  • Basuki Jrobenk
    Basuki Jrobenk May 25, 2011

    You have do the right change, 1000 uF/ 10V to 1000uF/16V its OK. Voltage behind capacitor value indicate a minimum value of the work ability of the capacitor. More higher value of the capacitor, more evenly and much current stored in the capacitor. Do the replacement with the same value (in Farad), and the value of working voltage is higher than the old capacitors.

  • pjvv1 May 27, 2011

    Thanks Mas Baz,

    I think I did right. I changed the wrong 4 capacitors (1000uF 10v) for a new ones (but 1000uF 16v). Despite that, my TV is not fix yet. Any idea about how to try now? Maybe you already answered my question in your last post but my ba English and muy complete ignorance in electronics did the rest...

  • Basuki Jrobenk
    Basuki Jrobenk May 27, 2011

    hello, I thing you should try it now. But, before you plug it to power source, make sure all soldering area clean. Make sure all capacitors replaced properly (+ or -). I think that s all.
    Try it.

  • pjvv1 May 27, 2011

    I tried it but without success. I checked the capacitors were well soldered and the area clean but the problem persists. The same one. I think everything is OK. The soldering seems to be good. Any idea? Should I try to change again the capacitors for a new ones?

  • pjvv1 May 27, 2011

    I tried it but without success. I checked the capacitors were well soldered and the area clean but the problem persists. The same one. I think everything is OK. The soldering seems to be good. Any idea? Should I try to change again the capacitors for a new ones?

  • Basuki Jrobenk
    Basuki Jrobenk May 28, 2011

    Have try to unpluge the T-Con (board on LCD panel) cable connection from PCB ?. If that methode still not working, you should replace PCB Power supply with new one, because that board is complicated.

  • barry simpson Jun 08, 2011

    hi all. i have got a full set of working parts for this tv as i managed to break my screen whilst my tv is only 6 months old. i will sell anyone who wants the parts to sort ther tv out for 70 pounds. what you need is the psu and the board with the eprom which the bad capacitors will have corrupted also the boards that i have for sale will have new and better caps installed before i send the boards out so this wont happen again and also i will sell these boards through ebay so you will have buyer protection and you know it is legit . if you want these then go to ebay and check item number 170649736766 or type in LE40S86BDX on the ebay search and see my listing. mine is the tv with the blue broken screen thanks

  • barry simpson Jun 10, 2011

    hi. did you read my post. if you have had bad capacitors on this then it will have corrupted the eprom on the main board. i have the main board on ebay for just 45 pounds which will solve your problem. its listed under: Samsung lcd LE40S86BD main board bn63-02494a le40s86.

  • barry simpson Jun 10, 2011

    hi. did you read my post. if you have had bad capacitors on this then it will have corrupted the eprom on the main board. i have the main board on ebay for just 45 pounds which will solve your problem. its listed under: Samsung lcd LE40S86BD main board bn63-02494a le40s86.

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I made it work. I "reset" the TV by pressing the on/off button for half a minute. I tried several times and it works.

I read that in the samsung website.

Posted on May 31, 2011

  • mindo_ab Aug 03, 2011

    Hello, i have the same problem (sound clicking, no power on), after i replaced two 2200uF capacitors, the TV turns on perfectly. After 10 minutes turned on only give me sound, no image. After power off and power on again, i get image and sound for about 5/10 minutes, and then only sound. Thanks on advance

    Mindo
    Portugal

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