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LNT4042HX/XAA The tv doesn't turn on. It keeps on clicking but it doesn't turn on.

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Posted on Jan 02, 2017

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SOURCE: I have LNT4042HX\XAA. When I

You probably have a bad Power Supply and or a bad Main bd. Have a trained Samsung tech troubleshoot the set.

Posted on Jul 16, 2009

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SOURCE: samsung lnt4042hx/xaa 40in lcd tv wont turn on

I concur with Lightnbaby.... had same problem... my TV LNT4042HX/XAA took 10 min to start sometimes... the capacitors on the power supply board had bubbles on top 4 of them all 10/1000Uf. Samsung wanted to charge $220+ to have a guy come out and fix. J&J parts (samsung vendor) wanted $108 for a new board. I replaced the 4 capacitors for $4.68 and the TV works fine now!!!!!

Posted on Mar 29, 2010

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The LED indicator is flashing/blinking we replaced the lamp and it will not still turn on. someone suggested the cooling fan? Thank you Shawna2735@Gmail.com


If Fan is running when you turn TV on and keeps running then its OK ,Ballast Board is what turns Lamp on, Is Lamp Lighting at all?
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Be sure to give the whole model # to TV Ending in WXXaa
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8 Answers

3 year old Samsung 40 inch LCD TV will not turn on


The problem is 4 capacitors on the power supply board. Just had mine done under warranty. They (Sears) replaced the whole power board but you can get larger capacitors and just replace those for alot cheaper if not under warranty.

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1 Answer

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Nov 11, 2009 | 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

1 Answer

I have LNT4042HX\XAA. When I try to turn power on, I get many clicks (on and off). Never turns on. What to do?


You probably have a bad Power Supply and or a bad Main bd. Have a trained Samsung tech troubleshoot the set.

Jul 08, 2009 | Samsung Televison & Video

1 Answer

Tv doesn`t start


Howdy,
It sounds like you have a Power Supply Board problem. The PSB is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM811, CM812, CM817 & CS806; 1000ufd 25volts. The board on left, you will see the cap tops are swollen.

Thanks for using FIXYA, BIG IRISH.

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6 Answers

Samsung lnt4042hx/xaa 40in lcd tv wont turn on


I concur with Lightnbaby.... had same problem... my TV LNT4042HX/XAA took 10 min to start sometimes... the capacitors on the power supply board had bubbles on top 4 of them all 10/1000Uf. Samsung wanted to charge $220+ to have a guy come out and fix. J&J parts (samsung vendor) wanted $108 for a new board. I replaced the 4 capacitors for $4.68 and the TV works fine now!!!!!

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6 Answers

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


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

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