Question about Samsung LN-S4051D 40 in. LCD Television

1 Answer

Samsung model LNS4051DX/XAA won't turn on, just clicks

My LCD turned itself off for mo apparent reason and will not turn back on; all it does is make a click sound and the power light blinks four times then repeats the cycle again. I have spoke to a tv technician and he thought the problem was the signal board. Would you agree? Several other people have had the same problem that I can tell, is the solution the same for everyone?

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  • Anonymous Nov 23, 2008

    I have exactly the same problem apart from for a few days it would come on after a while if you were patient enough to wait. Now I just get the clicking and light flashing which is not very entertaining.

  • Anonymous Nov 25, 2008

    And yes I just started having the same problem last week. Let me know if you find the solution.

  • shmiley379 Nov 27, 2008

    Around two weeks ago the TV began to have a delay in starting of two minutes. After around a week, the TV began taking around four minutes to boot up, and sometimes without sound. The only way to make the sound start would be to restart the TV and wait for it to come up again. Now the TV is loosing sound after 5 minutes and the screen is degrading in quality. The TV is now taking a very long period to even start, if we can get it to start. PLEASE HELP!

  • BKCyph Dec 01, 2008

    I have the same problem started happening last week. Its almost 2 years to the day that that I bought the TV. Its very fishy! The TV clicks several times, but wont turn on.

    I am beyond UPSET, seeing as how I just finish paying the t.v. off last week.

  • NvrMind
    NvrMind Dec 06, 2008

    same problem...samsung said to unplug for 30 seconds and try again. This works the first time and then the next time I turn it on i have the same problem. It's not even 2 yrs old and I have a few more payments. With a 1 yr warranty, i'm screwed...This is the last samsung product I'll ever purchase

  • Anonymous Dec 13, 2008

    Same here. Clicking sound. and it won't open.

  • roger dav Dec 24, 2008

    My 25 month old TV became more and more difficult to turn on recently. It finally wouldn't come on at all today. It would just click and the red light would flicker on and off. I took off the back and found 4 swollen capacitors in the power supply. Got 4 new capacitors at an electronics supply store for less than 2 dollars. It took my son less than an hour to replace the capacitors. It powered right up and is running fine. Cap. Specs: 1000mF 10V 105degrees

  • Anonymous Mar 24, 2014

    the model is hl55v89pz when the set is turned on within a random amoun of time from initial start up it will go into a cycle of turning itself off and back on again continuously

  • Anonymous Mar 31, 2014

    Part I replaced for the samsung lnt3732hx/xaa is BN94-01249D

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THE PROBLEM IS Faulty parts on PS board , bad press for Samsung

Because the Samsung LNS4051D would not turn on and the power LED would blink 4 times and the relay would click and this would repeat again and again. I replaced power supply board parts CM806, 811, 812 & 817, all 1000 uf 10v capacitors, three had their tops bulged up slightly that I missed on initial visual inspection. After seeing the reports of problems with these caps on http://www.fixya.com/support/t1336881-will_not_turn_or_off , I replaced them with Radio Shack part 272-1032, 1000 uf, 35v. They are slightly bigger, but fit OK. TV is working fine now. Cost was 4 x $1.59 = $6.36 plus the time. I saved between $100 to 300 in the process of either replacing the board or getting the unit serviced.

Posted on Jan 01, 2009

  • Chedoke_27 Feb 23, 2012

    Did that, replaced ALL capacitors in hopes of not seeing a blown one. This still happens. I even used a jumper in suspicion of a scratch on the board from soldering. Still clicks.

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1 Answer

Model code HLR4667WX/XAA won't turn on just clicks


Sounds like you have defective capacitors in the power supply board, cheap and easy fix for those with electronics repair skills

Jul 23, 2012 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

"my samsung lns4051dx xaa powers on and the audio works, but the screen doesnt come on. please help "my samsung lns4051dx xaa powers on and the audio works, but the screen doesnt come on. please help


It can be T-CON board, 24vdc power supply, backlight inverter board, main board.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Please post back what you find.

Oct 23, 2010 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

The Tv sounds as if it wants to power up, the red light comes on, then it clicks and shuts off. What is the problem with my LNS4051DX XAA


Most likely failed capacitors in the power supply. I am currently having the same problem with my 26 month old Samsung LN46A750. Samsung has agreed to fix this as an out of warranty "courtesy repair".

http://www.thebuzzmedia.com/samsung-tv-capacitor-clicking-issue-and-free-repair/

http://www.avsforum.com/avs-vb/showthread.php?t=1198409

Aug 22, 2010 | Flat Panel Televisions

2 Answers

Purple dots on HD LCD samsung model LNT4661FX/XAA when on.


hi,
your lcd micron tube in the panel had already worn out.
got to replace the panel

Jan 27, 2010 | Samsung LNT4642H 46 in. LCD Television

4 Answers

SAMSUNG TV WONT TURN ON JUST CLICKS


I just fixed this very same problem. The capacitors are the problem. However, I think that if you have some minimal skills with soldering, you can fix this yourself. You just need to take out the system board, then the power supply parts are on the top right. The bad capacitor(s) will be bulging at the top and possibly have some brown stuff coming out. The ones that go bad are 1000microfarad, 10V, however you can replace them with higher voltage. I got 35V caps from radio shack for 1.59 each. You just need to solder out the bad ones and then put the new ones in and solder. Remember that the negative end goes on the side with the bold black part of the circle on the system board. Then just cut off the extra ends of the capacitors. If you are capable of doing this yourself, you will spend at most 6 dollars instead of however much a technician costs.

Sep 24, 2009 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

Tv won't turn on...just clicks & clicks & clicks


replace caps on the power supply, put 1000microfarad, 16v caps

Jun 16, 2009 | Samsung LN-S4051D 40 in. LCD Television

6 Answers

Samsung HPT4254X/XAA plasma turns off and on by itself, clicking.


had the same problem, same tv... bad connection on a transistor....

Jan 07, 2009 | Samsung HP-R4262 42 in. Plasma Television

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