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LG TV 47 INCH MODEL-47LA6200 THE TV RANDOMLY MAKES A SNAPPING SOUND, THEN THE TV TURNS OFF, AND COMES BACK ON IN ABOUT 10 SECONDS AND IT WORKS AGAIN,

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Sounds like something inside is arcing. I would get a good strong vacuum and vacuum the guts out and also move some of the high voltage parts around away from other parts and then see what happens.

Posted on Apr 25, 2017

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Posted on Jan 02, 2017

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LED tv LG 50LN5200 with no picture but has sound


Faulty the backlight
It is necessary to remove the panel and replace defective LEDs

Best Regards!

Oct 31, 2016 | LG 50 Inch LED TV 50LN5200 LN5200 Series...

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Tv turns on and screen flickers on for a second and then turns off, whats the issue?


Sounds like Back - light problem.Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis.If you wish to get some details; check the site linked here.Surf the site with patience.Pull up older posts.It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS].In such cases, the power supply board might need replacement.To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself.If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board.If this is the case, you have to replace the main board.

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1 Answer

Turn on TV and picture and sound are great for about 60 seconds. Then the picture disappears but sound remains.


I would start with checking the power supply 12vdc output, make sure it is stable with no ripple. If the power supply checks out fine, I would then suspect the main board.

Sep 20, 2012 | Vizio VT470M 47-inch 1080p 120Hz 5ms LCD...

1 Answer

Whenever I turn the tv on it stays on for 10-15 seconds and then it turns off, a flashing red light also appears on the bottom right of the monitor. What is the issue?


Hi, That sounds like an issue with the board in the tv, can't say I've seen it happen with that model yet but I have with last years models. If it's too late to return it to the store where you bought it I'd suggest seeing if they'd exchange it for you if not talk to LG.

Jul 27, 2011 | LG 47 47LK520 47 LCD TV

1 Answer

My 50 inch LG tv keeps shuting off and make a


It sounds like you have a dying power supply module, that will be the first place to look, look for caps with leaking/bulging tops, some may look OK but can have high ESR (Equivalent Series Resistance), which you will need special cap meter to check that out.
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

Please post back what you find.

Jul 16, 2010 | LG 47LC7DF 47 in. LCD HDTV

1 Answer

VIZEO LCD turns off or picture pulses


I can't say that this is the problem, but the behavior is that of a failing solder joint in the power supply; these tend to be intermittant and random. Most semiconductors just flat die under the right conditions but it is possible for a power semi to fail internally exhibiting just the same behavior. Since both audio & video are down together, I would check the main power supply first.
Yours may be separate from the lower level electronics and user replaceable. You won't hurt anything if you pull the AC plug overnight, remove the back panel and look inside to see if you have a separate board with larger components on it; cylindrical ones (capacitors) and largish blocks (transformers & chokes). If you find this, check for a part number or have the set's model number handy and call the mfr.s service to ask about repair or replacement costs. You can ask them too, if my diagnosis sounds right to them.           

May 05, 2009 | Vizio VO47L 47 in. LCD TV

1 Answer

LG TV Turns itself off


Sounds like it could be a poor connection in the power plug or a ' dry joint ' on the power board, if it's the latter, it will respond to light thumping at the side of the tv. If that's the case it needs resoldering by a technician..
good luck !

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2 Answers

Lg 47 inch tv sound


We had the same problem of pathetic sound quality and volume with a sony brava. Thats just the way they make tv's these days because most people buy a surround sound system as well. We bought logitec computer surround sound speakers for about $140 and plugged into the ear jack, problem solved, we have heaps of volume and stacks of bass.

Dec 21, 2008 | LG 47LC7DF 47 in. LCD HDTV

2 Answers

Lg lcd 37 inch tv loosing sound


i have the same problem and find that if i freeze then unfreeze the screen it works

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