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Samsung model s42axyb09

Clicking sound when trying to turn on tv

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Posted on Jan 02, 2017

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SOURCE: samsung tv clicking sound

It ur power supply board it have components,is dead could be anythings,Capacitors bulbging happen mostly only on DLP Tv bacauce the FTB transformer,give high voltage for projection.Tries thes websites for replacement power supply,Tv Repair, or

Posted on Sep 26, 2009

  • 131 Answers

SOURCE: clicking sounds and delay when turning on lcd tv LE52M86BD


A common fault with this model is bad capacitors in the power supply, Remove the back from your tv and look at the power supply for bulged / swollon capacitors on top, they may even leak a brown like substance and should have a value of around 1000uf 10v
Change these where possible with the same uf but higher voltage lets say 1000uf 25/35v
Hope this helps
Please rate my reply++++

Posted on Apr 05, 2010

  • 1 Answer

SOURCE: I have a Samsung LCD model#LN-T5265F and my tv is

Hey, i am now having the same problem as most ppl with the Samsung TVs. I have a LNT-5265F which I bought in 2008 (so only 2yrs old). It now only makes a clicking noise (blank screen). The clicking noise is roughly every 3 secs. Based on research I believe it is the bad capacitors issue. Can someone tell me if the power supply board is still under warranty? Also, what type of capactitors are recommended to buy for replacement? and worst case what is the p/n for a new power supply board for my model?
Also, I watched the videos showing you step by step on how to perform the repair on your own, but little bit confused about the "Hot" vs "cold" on the board? Sorry for all the questions. Thank you!

Posted on Jul 30, 2010

SD Tech
  • 14553 Answers

SOURCE: Samsung PN50A450 wont turn on and is clicking.

Many sets use a mechanical relay which may be what you heard.

Based on what you have told me here with your question I agree first place to look is power supply.

All sets have as part of the power supply a standby supply that runs all the time when set is plugged in---it supplies the voltages for the remote or manual on and off to power the main supply and with it the set to be turned on.

You are able to safely get the back off---lay set face down so entire screen is supported evenly---no downward pressure as the screen unit can be instantly destroyed.

Most sets have to be taken apart this way if a base is attached as it will have to come off to get all the cover screws off.

You may be on the right track with filter caps---that standby runs them all the time and the material in cheap caps can dry out in less than two years--using cheap ones cuts cost when making the set.

I will attach a few photos of what to look for---one is a mild example and another has some extreme examples---if locate one or more I can explain how to replace and identify their values--not hard as each have only two leads soldered in--values are actually marked on the parts--each has a plus on one side and a minus on the other.

let me know if you find bad ones.

look for perfectly flat tops like on left===right one is just slightly puffed up and is still bad.


The ones with arrows are extreme examples and some of the others look ok.

Posted on Jun 14, 2012

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what the full model number of your tv?
the clicking sound is the result of a faulty power supply, some capacitors(blown heads) on the power supply for the output voltage rail of the mains board need to be replaced.

pls rate me!

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