Question about Samsung LN-S4051D 40 in. LCD Television

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

LNS4051DX/XAA is this something we can fix ourselves?? If so, how?

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  • Anonymous Mar 28, 2014

    clicking with not swelled caps on power supply

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  • 8 Answers

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

Posted on Jul 19, 2009

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1 Answer

My samsung tv LNT4669FX/XAA screen is blank but the tv and backlight work. how do i fix the tv?


It sounds like the screen may have failed, that means a new TV will be needed.

Feb 24, 2017 | Samsung Televison & Video

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 | Televison & Video

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

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

1 Answer

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


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.

Nov 06, 2008 | Samsung LN-S4051D 40 in. LCD Television

2 Answers

Samsung HLS5679WX/XAA turning on and off


I had this on mine too. It is a problem with the power supply. Samsung knows about it.

Nov 06, 2008 | Televison & Video

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