Question about LG 30FZ1DC 30" TV

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Tv not getting ON

Hi, i have a colour tv, recently one morning when i started it th e TV did not get on, instead there is a continious humming sound when the power is ON and goes off when the power is stopped. there is no clue of any sort of picture on the screen. can anyone help me out??

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  • 236 Answers

You have a short somewhere in your set.Either the power supply or the high voltage circuit. The noise is the power supply telling you that it's over loaded. You need to take it to the shop and get an estimate of repairs. Stargazer

Posted on Feb 12, 2007

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Posted on Jan 02, 2017

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Panasonic plasma TV TH-42PWD7 blacks out..


These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

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Oct 13, 2009 | Televison & Video

1 Answer

My set started humming recently. Not real loud,


Hi, sounds like a bad color wheel, a technical repair that should be done be a trained repairman, cost around $250-275 installed

I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771

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Hi I bought a Panasonic 42 Inch class 720P Plasma HDTV TH-42PX80U, the picture is fine, but there is a humming sound in the background of the audio. The louder I turn the tv the louder the hum. I tried...


If turning up the audio amplifies the problem, it is in the initial stages of audio. It could very likely be outside the TV, try difference sources to troubleshoot your setup. If it hums on all inputs, the problem is before your audio switch and could be on the board with the AV jacks. Note all plasma tvs hum out of the back of the tv (ie power board, y-sus, z-sus board and panel all make a little hum noise)

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The green light on for 2 seconds and off again (Panasonic TH-42PWD5UY)!


PROFESSIONAL REPAIRER OF:
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as you see green screen with lines through it

lines you are seeing is called retrace lines.

the problem is due to green video output section failure

please check the followings as given

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hope this will help.

good luck.

 

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