Question about Samsung LN-S4051D 40 in. LCD Television

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Samsung LN-S4051D Tv Cliking noise only but tv does not come on.

Tv doed not cime on when power button is pressed. Only cliking noise and red light blinks on an d off

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  • Anonymous Dec 27, 2008

    Sam sung LN-S4051D TV Clicking noise only but TV does not come on.

  • Anonymous May 01, 2009

    samsung LCD TV LA40R71 Have clicking noise on and off from relay,but tv does not turn on.

  • legaltim54 May 01, 2009

    When turning on my Mother's Samsung LN-S4051D, she get a clicking noise and the red light will flash occasionally, but the TV will not turn on - no picture or sound. What is the cause and is this an easy fix?

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I had the same problem. I work for a mother board manufacturer w/offices in New Jersey and brought mine into our engineering lab after Samsung told me tough luck. Anyway, one of my engineers fixed it in 10 minutes. Essentially, he replaced the 1000uF capacitors on the power supply board with 2 cent capacitors instead of the 1 cent capacitors that had blown out on the CHEAP SAMSUNG POWER SUPPLY BOARD. You can tell the caps are blown via visual inspection. The top of the cap should be perfectly flat and a blown cap will be convex on top. Unfortunately, there are also 2500 uF caps by the same cheap manufacturer on the board as well and we don't stock that value for our products. According to my engineer, those will most likely blow next since he replaced the others with better caps, but I'm getting samples of those and will replace them shortly. After that this piece of **** should last me at least another 2 yrs! It's been working for about a week now w/no problems. Hope this helps.

Posted on Dec 16, 2008

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1 Answer

Samsung plasma tv hpp5071x/xaa cliking sound but no picture


Short circuit protection function activate. Contact any service technician. This is not a user repairable fault. A skilled work indeed. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

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Samsung LN-S4051D slow to turn on.


You are likely to have a module bad....part number BN94-00864A and if you take it out (unpluggs) you should inspect it for capacitors that may be domed or pooched up at the top. If so they should be replaced first before getting the module as the capacitors are about $1.00 each. Do a search for Samsung parts online if you need the module and call them toll free

Mar 16, 2008 | Samsung LN-S4051D 40 in. LCD Television

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I have samsung plasma tv hpp5071x/xaa when i push the power button with remote control, i can hear cliking sound and looks like turn on and see red led light at the bottom right corner and also saww flash...


Hey If you have tried Using remote and side pannels Have you tried another TV to see if its the Cable? Also The clicking sound is normal its the TV's Power-source starting. The fan light I am not sure of but if it happens every-time it should be normal. If the screen gets warm Instantly (Hotish) Then you TV is dead D:

Mar 14, 2014 | Samsung PN42A450 Plasma TV

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Have a Samsung flat panel the TV does not turn on, but the red light just flashes. I have owned the TV a little less than 2 months. Any fixes?


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Mar 21, 2011 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

I have a samsung tv model #LN-S4051D. Problems: Turn on the Power button (red light blinks at power button with clicking noises every 30 sec. or so) without pictures. Please help. Thanks


This is a comon problem with the Samsung LCD HDTV on the Power Board.

You can repair or replace faulty parts on PS board.

When checking the capacitors, If they are slightly rounded on the top where the X is, the cap is defective. See the Youtube below.

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. If you are not comfortable
replacing components which means using a soldering iron, you
can replace the power circuit board, available from
www.Samsung.PartStore.com.

Some UTube showing the problem and fix -

http://www.youtube.com/watch?v=tK7zFBBU6p4&feature=related
http://www.youtube.com/watch?v=Mm51C_RDIZE&feature=related
http://www.youtube.com/watch?v=BNHHrgX_6cs&NR=1


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

1 Answer

Samsung LN-S4051D 40 in. LCD Television will not turn on


Are the red lights still flashing after replacing the caps? Bulging caps usually means the caps are at the end of their life span, but shorted caps may look just fine. Check any caps that you did not replace to see if they are shorted. I bet you still have a bad cap somewhere on the power supply that is shorted.

Mar 05, 2010 | Televison & Video

1 Answer

Remote control not working - not batteries, have changed them. Red lcd light is not showing will not turn on using remote control when tv is on standby


you can use buttons on side of tv to turn on

are batteries in right way
to test remote if you have camera on phone switch it on and point remote into camera and you should see flash of light when press any button if not you can get new remote form charles hyde and son ( CHS ) web site you will need model number on remote

Jan 02, 2010 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

My Samsung LCD TV will not turn on, it just clicks


A Replacement Power Supply.

Parts: £80 - £110 depending on the model.

Labour: £40 (ish) little bit more with a 90 day warranty etc.

Type your model number into www.chsinteractive.co.uk for the price on a PSU.

Good Luck.

Sep 07, 2009 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Samsung LN-S4051D goes on and off by itself. Repeatedly.


1 Bad inverter circuit (used for back lighting the LCD panel)

2 Bad secondary power supply too the inverter circuits

Especially if its a switch mode power supply connected to twin phase inverters. This problem almost always happens under that particular engineering scheme. Switch mode power supply's are horrible at sustaining high voltage CCFL back lights.

Your tv needs professional servicing!

e-mail me if you need more info or advice....




Jan 28, 2009 | Samsung LN-S4051D 40 in. LCD Television

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