Question about Samsung LN-S4692D 46 in. LCD HDTV

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Samsung TV will not come on, but hear clicking noises until you unplug the tv. Is there a reset button located anywhere on the TV. I have Samsung model# LN46A550P3FXZA

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: MY SAMSUNG T.V. CLICKS AND WON'T SWITCH ON

I can't take credit for what I am about to suggest. Another user on this site already figured it out. The power board does not have to be replaced. The problem is faulty capacitors on the board. If you are handy, you can replace them in short order. The bad capacitors are the 1000micro-Farad, 10V capacitors. The tops of the capacitor should be flat, but a bad capacitor will have a slightly dome shaped top. It looks swollen at the top, but it's subtle. The user that originally posted the fix reported that some bad capacitors will also have a brown liquid oozing from the top. Anyway, I had the same problem and I replaced two capacitors this weekend for less than $4. It's worth a try if your unit is out of warranty because if you have a repair man come out, you will take a drumming.

Posted on Dec 14, 2009

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budmrtn
  • 11361 Answers

SOURCE: Samsung LCD HD TV Model

Th clicking is from the power relay. You will have to open it up, the first place to look will be the power supply module, look to see if it has any bad caps with leaking/bulging tops first, caps can look OK but can be bad due to high ESR.

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

http://s807.photobucket.com/home/budm/allalbums

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

Parts: www.shopjimmy.com

Posted on Jul 18, 2010

walesarumi
  • 6993 Answers

SOURCE: When I turn my 46"

Hi,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board.

I do not think it needs replacement, rather some defective capacitors are causing this issue.
Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors).
After replacing these capacitor(capacitors) most likely the normal operation will be restored.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Posted on Jan 13, 2011

lightnbaby
  • 36 Answers

SOURCE: hi my samsung lcd tv model le40s8, it won't switch on

if you can do soldering work, replace two 1000uF10v bulging capacitor with 1000uF 16v or 25v in powersupply board. you will save $200.

Posted on Nov 12, 2009

  • 541 Answers

SOURCE: SAMSUMG 46'' LCD TV MODEL LN46A530P1FXZA PROLEM

Check for bad capacitors in the power supply. The capacitors will be bulged on top. Typically there will be 3 or 4 caps with this problem. Thanks for using fixya.

Posted on Jan 23, 2010

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clip_image001.jpg
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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:
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