Question about LG 42LG30 42 in. LCD HDTV

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My tv screen has turned white

What do you think is wrong with my TV....when I switch it on the screen comes on for about 4 seconds then it breaks up and muffles with a broken image horizontally then the screen turns white (could this be a thermal fuse problem) the sound works the remote still works and I have changed the lead to the power supply and tried plugging in a DVD player and a computer console and still the screen becomes white, seems abit strange to me. Make + model= LG 42LG3000-ZA Actions I have taken: I have tried a different power lead, i have also taken the back of the unit off to check for any leakages near the capacitors and checked the capacitors themselves but nothing seemed wrong.

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  • LG Master
  • 74,251 Answers

Check and replace its T'Con board.

Posted on May 08, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: lg lcd 37 inch tv loosing sound

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

Posted on Mar 20, 2008

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SOURCE: LG 47LC7DF Green Light Blinks 16 Times - No Picture or Sound

The lights indicate what the issue is. Kind of like your check engine light in your car tells you something is wrong with the engine.

Posted on Aug 31, 2009

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SOURCE: LG 26lx1d tv will not turn on. Power supply is

Have an LG26Lx1D for about 3 years, dropped off by my son.(Figures).Power light just blinking, but went back to red.Removed back panel, and metal cover. Just above antenna/cable input, its a small fan,mine was full of dirt. Blow off dirt, and make sure its turning freely.
Install back the covers, an voila....its a miracle...its working again.
Good luck

Posted on Mar 21, 2010

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SOURCE: Lg 42lc7d turns on to blank screen doesnt respond to any request

I need sreen for LG 4LC7D-UB because the screen is damaged

Posted on Mar 21, 2011

dbTVfixer
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SOURCE: LG 32LH2000 My TV was turned of last night in the

most LG have a "vacation switch" on the bottom right hand side of the set very near that standby light.

it is placed poorly, where you can accidently click when grabbing the TV to move it or swivel it.

it is a toggle switch, a "master power" switch.

you may have bumped it to the off position. flip the switch, your standby light will come back on.

Posted on Apr 16, 2011

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When I turn on my Sony TV, ti stays on about 30 seconds then shuts off, What do you think is wrong?


Do a Power Reset.
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My screen turns white but sound works


Symptom of a damaged T'Con board. If you wish to get more details, surf the following link. There are over two thousand and four hundred posts. All are related to television and other domestic electronic equipment service help. You can get a solution there. Type in the brand name to your device to its search box, can be located at the top right of the display window. It will make search easy. More than Nine Lakh viewers cannot be wrong.http://electronicshelponline.blogspot.com/

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To pettinabatem
I am having a shutdown problem with a Panasonic TC-32LX50. Initially when pressing the on switch, you see for 1 second a right half white screen (the left side of the screen remains black) and the TV turns off and the LED flashes 1 time. I did a T-Con cable check (based on the half white screen) and indeed this went away. Got backlight (full screen and no half white screen anymore). But still the TV shuts down after 1 second and the Red front LED flashes one time. Since this code is also illustrating a "dg board, (stv 5v sense time out)" problem in this unit, I was wondering if indeed you have encountered a defective DG board with yours. I am enclining towards a defective Power supply board.

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