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Samsung 46 inch keeps turning on and off immediately by itself

Turns on and off rapidly by itself.

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1 Answer

gemagm

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  • Samsung Master
  • 689 Answers

Most likely the power supply capacitors. you can identify them by their bulging tops.

Posted on Jul 24, 2014

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5 Related Answers

electroman

  • 1039 Answers

SOURCE: our samsung hd 42 inch plasma tv keeps turning

Replace any swollen capacitors in the power supply.

Posted on Sep 11, 2009

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Anonymous

  • 7 Answers

SOURCE: 46 inch Samsung TV that just clicks but wont turn on

I just fixed this very same problem. It is 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.

Posted on Sep 25, 2009

Anonymous

  • 1 Answer

SOURCE: samsung dlp tv 50 inch sp46l6hx keeps turning

you need to change the lamp

Posted on Dec 24, 2009

SOURCE: My Samsung FPT5084 50 Inch Plasma TV....keeps

http://www.retrevo.com/support/Samsung-FP-T5084-TVs-manual/id/2839bh444/t/2/
http://www.samsung.com/us/support/detail/supportPrdDetail.do?menu=SP01&prd_ia_cd=02010200&prd_mdl_cd=&prd_mdl_name=FP-T5084
Below is the service manual link from epox. ftp://ftp.epox.com/downloads/Manual/mu-8KDA3J&+11.pdf

This is usually a switchmode power supply problem, and it's shutting down, for safety reasons, so as to avoid a fire and explosion or both. Realistically you need to get a "Quote" from an authorised service agent, for repair.

Posted on May 24, 2010

Robert Billyard

  • 277 Answers

SOURCE: MY 32 INCH RCA LCD HDTV KEEPS TURNING ITSELF ON.

Carol
These units bave a bad power supply. To get it fixed is easy.
Take it to a Servicer center where they repair tvs.
Since there are no srevice manuals they will not be able to repair this unit. With the Work Order in hand call 1-877-297-8391 and they will send you a tv.
Ps.. Make sure you get a work order or a copy.

Posted on Jul 21, 2010

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I have a 46 inch Samsung flat screen LCD. 3 years old. 500 series. When I turn it on-press the power button-It keeps clicking like it is turning on and off repeatedly by itself. It clicks on and off...


Before researching into a technician repairing the tv, you should see if your firmware is up to date. Typically you can access the menu look for an option that says tv information or about tv. There it should list the firmware version. Check this version against the latest version on Samsung's download website, http://www.samsung.com/us/support/downloads/

Here enter your model information and you can download the latest firmware to a USB stick. Samsung should also provide instructions on how to install this firmware. If you have any questions come back : )

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Samsung LN46A750 Press the power button on the remote and it turn on and then immediately turns off. It keeps repeating "on" and "off" over and over until I unplug it.


Ummm, there seems to be alot of people with this problem.... Try contacted Samsung? Warranty? Tech Support usually is very helpful.....

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Samsung turns off on its own while we are watching it


It could be a number of things, if your tv is over 4. yrs old it can potentially be the ballast. Might not be able to support the lamp. if you're hearing a rapid clicking and or a buzzing sound. you probably looking at a bad ballast

Apr 21, 2010 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

My TV clicks on an off very rapidly when I first


if its a samsung lcd  tv  then goto
www.earthinfo.org/samsung-tv-makes-a-strange-clicking-sound
shows you how to fix it yourself for 'peanuts'

Jul 18, 2009 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Samsung DLP


it sounds more like the power supply gone bad

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