Question about Samsung LN-S4041D 40 in. LCD HDTV

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Samsung 40inch LCD tv doesn't turn on for some time, clicks, clicks, clicks, with standby light coming off and on for some time (~2min) before it finally decides to work.

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To all who are having power supply issues: Samsung is now acknowledging a problem with the faulty capacitors. I called 1 800 726-7864 and they said they would repair certain out-of-warranty TVs if the problem is related to the capacitors. I just called and they are sending a service rep out to diagnose the problem

Posted on Feb 22, 2010

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Just did mine today, replaced the capacitors. didnt take too long but requires patience. The capacitores i used were 16V 1000uf 105C. btw it doesnt matter the voltage of the capacitors, its an indication of what it can take so anything above the 10V should be fine. ofcourse nothing excessive but i would recommend 16v capacitors they are reasonably sized. anyone want any help with it plz post.

Posted on Apr 05, 2010

  • Glyn Robertson Jan 05, 2012

    I have the same problem with a 46" Samsung. Can you post more details on the capacitors please (wattage, size etc), as I want to replace them in one go. A picture / drawing of the capacitors & board would also be very appreciated. Thanks in advance

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Power supply board have some dead capacitors,Know how to solders?Replaced these capacitors that bulge up.puff up or burst open.Well get power back.Or buy a whole refurbish power supply board to replaced.Shopjimmy.com,Ebay.com for the power supply board part.

Posted on Feb 06, 2010

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See link here to solve your problem Follow pdf instruction.

http://ars.samsung.com/customer/usa/jsp/faqs/faqs_view_us.jsp?SITE_ID=1&PG_ID=0&AT_ID=158982&PROD_SUB_ID=0&PROD_ID=154

Posted on Mar 21, 2010

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I had a good result finding a fault on a Samsung le40s86 which had a black blank screen when switched on...
I found there was no power going to the high voltage backlight transformer, this was due to one of the driver transistors gone short !
I'm gonna change it and all should be good, also found some dry joints which i re-soldered :)

Ren

Posted on Dec 05, 2011

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I just phoned Samsung myself and I have a LN-S4041D 40" LCD. They told me that the recall was issued a little while ago and that the recall is limited to one year after the guarantee period and that since my tv is 2 1/2 years old, they cannot honor that recall.

Just a heads up for anyone reading this solution

Posted on May 10, 2010

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LN-S4041DX/XAA 40 Inch LCD TV Issue‏:

.ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Verdana;} TV referenced above 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 trying.

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.

Please let me know.

Thanks,
Anthony

Posted on May 22, 2010

  • Mariusz Gajdel
    Mariusz Gajdel Mar 04, 2014

    Do you fix this TV? I changed capasitors and stil have the same problem

  • Mariusz Gajdel
    Mariusz Gajdel Mar 04, 2014

    Hi. do you fix this tv what was faulty?

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Same thing here going to my LE32B... I thought kids/wife had played around with some strange timing settings in the menu, because in addition to not turning on immediately, it also turns on suddenly during (even the night...) without anybody asking it to do so...
Do you guys mean that my 2 months old TV is already doomed to go to Samsung Assistance???
Thx

Posted on May 04, 2010

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Change all the 10volts capacitors in the secondary smps they are 10v 1000mf

Posted on Mar 09, 2010

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  • jimmyguru May 05, 2010

    you must contact the service on your area.the problem is in the small microswitch pcb on the tv set.dont worry its easy and routine to change.free of charge.is a known problem on authorized service.

  • jimmyguru Jun 07, 2010

    YES IS A TKNOWN PROBLEM EASY TO FIX!THEY MUST CHANGE THE SMALL PCB WITH THE CONTROLS ON TV'THERE IS THE PROBLEM!THE REPAIR IS FREE AND YOUR TV WILL BE AS NEW!

  • jimmyguru Jun 13, 2010

    three days before i repaird one le40s86 with same problems.the tv was clicking no starting.changed capacitors checked main board checked t-con(i have new ones easy to check)nothing!the problem solved with loading the firmware again!the main was locked or blocked somehow!flash loader 5.1 and the tv firmware was used and ok!

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