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Lg tv turns on and off for no reason

Turns on and off

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Check and replace its main power regulator board. For more information go to http://electronicshelponline.blogspot.com/

Posted on Nov 29, 2013

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My LG lcd TV model no 42LV3730-TD suddenly not turning on. Some one suggest me to replace the main mother board, if that is the reason where i can find this parts?


Check for bulged capacitief in the Power print, very common thing in this type, replace m for around 10 dollars and enjoy your tb again.

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Its probably a Power Supply failure replacing it will mostly fix your problem

Jun 20, 2014 | LG 42LD550 42 in. TV

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Automatic turn off the tv


There are so many reasons for this fault, which cannot be predictable. It will be best to contact any service technician in this case.

Mar 24, 2014 | LG 30FS1D TV

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I have lg 52lg60,when I turn on it's clicking power indicator on and off.I check the power supply capacitor looks like ok.how can fix this?


My Westinghouse led tv did the same and seems like it isn't working any more. I never pursued the reason but by how it acted it seems like a cold solder joint, or a minor capacitor problem near the light

Oct 25, 2013 | LG 52LG60 52 in. HDTV LCD TV

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50 inches LG PLASMA TV TURNS OFF AFTER 15 MIN.


A blown capacitor might not be the reason. After 15 to 20 minutes of work, the temperature inside the set do rises much, this kind of fault can occur. Check its cooling fans.

Jun 25, 2013 | LG 50PT350 50 in. Plasma TV

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Why won't any universal remotes work with my LG tv?


The two possible reasons are:

1. None of the codes are correct for this model.

2. The remote infrared receiver in the set is bad.

(maybe the reason the other person got rid of the set?)

There are some ways around this depending on how you hook up and what you have for signal:

If a box (cable or sat) is connected to one of the sets of audio/video jacks on the set--switch to that input and change channels etc with the box!

Use the box remote for functions like channel and sound etc.

May 01, 2012 | LG 26LG30 26 in. LCD TV

1 Answer

LG 32FS2ANB keeps going into stand by mode


Recheck your remotes settings most likely it's turned on for stand by sometimes going into your settings and going back to it's default settings helps.

Jan 28, 2012 | LG Televison & Video

1 Answer

Our LG 42LH30 TV for no reason displays closed caption. We cannot turn this feature off as when you try to select it in the set up, it is grayed out and skips past that option to turn off


What is the source of the signal for the TV? The CC may be turned on at the set top box (cable, sat, dvd player). Check the menus for any of these devices. If the source is OTA, then I'm not sure what to suggest.

I hope this helps.

Cindy Wells
(I have dealt with this for a neighbor. To get the captions on an older TV, they need the captions turned on at the satellite dish receiver and put the system in single mode. So they have to remember to turn off the captions when their hearing impaired relative leaves.)

Jan 24, 2011 | LG Televison & Video

1 Answer

The 42" LCD / LG


The Power Saving feature might be on. Switch it off.
Also, there is a feature in modern LCD TV's to switch off screen, when not required, to reduce power consumption, like when listening to songs on TV. Switch the feature off. Generally the button for this feature is shown on remote in green colour with 3 horizontal lines in a rectangl.

Oct 30, 2010 | Televison & Video

4 Answers

I have a 21inch TV (LG golden eye) which is 10 years old from and now i am facing a problem that when i switched on the tv the standby LED of the tv blinks for a few seconds and then automatically off....


This is line output transformer problems. Before changing LOT,watch any dry soldering is there and also check vertical output ic is good or bad ?by replacement methode.
NOTE- if you know the protection pin, isolate the pin and switch on tv through 200watts bulb seriesly.then watch the symptomes.
Thanking you

Aug 04, 2010 | LG Televison & Video

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