Question about LG Televison & Video

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I have a lg tv 55lw5600-ua that when you are watching it the screen turns much whiter like the contrast is all the way up. You can still see the picture. Any ideas on what the problem might be?

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T'Con board fault. Replace it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Posted on Apr 30, 2015

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

  • 3 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

  • 12 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

Posted on Jul 07, 2009

  • 1 Answer

SOURCE: LG TV - TV Guide Function Stuck

I have the same issue on an LG TV. The TV Guide is completely black with a small picture in the corner. It's as if the software is no longer working.

Posted on Jul 31, 2009

andrewl901
  • 505 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

I had this problem before on my LG TV. My solution is to put a 12V fan on the tuner board processor. The problem is caused by the TV overheating and when the tuner CPU overheats it sends a high temperature OFF command that instructs the power board to shut the tuner board off (although the rest of the TV stays on). This is why it sounds like a click when it happens. You cannot likely get a TV repair man to fix this because the LG TV's do not have adequate heat control other than vent holes on the bottom and top. This is a design flaw that started a class-action lawsuit against LG.

Posted on Dec 12, 2014

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1 Answer

LG 55LW5600 Tv the screen no longer turns on. The power turns on but no sound OR audio come up. Main board symptoms seem to be audio still works, but no video. Could this be power board?


Might be. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

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the picture board has gone faulty
thee are two system boards in the set --one for sound and one for picture
if you have the number from the board you want to replace try e-bay --circuit boards for your tv and see what comes up

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LG 55LW5600 sometimes won't power on


you need to change a Capacitor chemical, 100 um
if you look at the Power Supply Board you will see the one been damage it cost about 0,50 pence only

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My lg tv won't turn on after a lightening storm


Your surge protector did not function properly, contact the manufacturer of the power strip.

Jul 05, 2012 | LG 55 55LW5600 3D LCD TV

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I have a LG 55LW5600 and when i connect the Dongle for the wireless internet after 3 minutes the tv turn off and back on by itself. what can i do?


Hi I have found out that if there has been a power outage, this can cause the LG dongle, to not see the network. What I have done is reset the network through router. Also if you have any media servers, check to see if they are corrupted, which means you may have to remove from computer and install again.
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Try to wear the eyeglass for 3D and, that is the effect of 3D mode. good day sir

Aug 21, 2011 | LG 55 55LW5600 3D LCD TV

1 Answer

While watching my LG 55LW5600 this morning, loud popping sounds came from the TV followed by heavy smoke. What happened?


The tv power supply board,have blown capacitors components parts most likely.Don't tries to repair this power supply board though,because a loud poping sounds and heavy smoking have many more other components dies also just not easy to be seen as capacitors parts.The tv power supply board that the board,where the tv power a/c cord plug into it.Take the tv aparts.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish power supply board for the replacement.

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