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My LED LG TV 42" turns on/off by itself. Channels do not change.

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Sorry to tell ya but your power supply panel or chip is going out! Mine done the same stuff! Freakin flat screens dont last as long as the older t.v's

Posted on Nov 01, 2012

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TAKE A LOOK AT THIS VIDEO ABOUT LG TV PROBLEMS

Posted on Dec 16, 2012

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

trintek
  • 111 Answers

SOURCE: TV CHANGES CHANNELS (BY ITSELF)

is this tv the same model/brand? far be it from me to claim poltergeists are at work, but who knows... the very first thing i would do in diagnosing this issue is to grab some electrical tape and aluminum foil, tape a patch over the ir receiver for the remote, this should be a shiny piece of black plastic somewhere on the front of the tv, some are marked, some are not.. if you have it, aluminum duct tape works great for this purpose.

to me, it seems like someone is messing with you using a remote, tv-b-gone, or similar product like a keychain universal remote.. if the tape over the ir sensor fixes the issue, i would look at roommates, kids, neighbors, or possible interference from other ir or light sources..

possible culprits would be:
universal remotes
dirty remotes that keep sending a signal with nobody using it
laptops or cellphones with an irda port
palm devices such as palm, clie, etc that have irda
intermittent strobes (emergency vehicles, bad ballast in a light fixture, etc)

i can't guarantee this is your problem, but it seems like it since this is your second tv with the same or similar problem... as a sidenote, the sony clie came with a universal remote program, i caused much chaos in my local video stores by shutting down their video wall while browsing.

Posted on Nov 16, 2007

  • 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

  • 136 Answers

SOURCE: lg lcd tv keeps changing chanels

Come on, lets try to solve this. Take the batteries out of the remote so it can't interfere and try changing the channels and volume with the buttons on the tv. If this works then someone has spillled something onto the remote and gummed it all out. You simply need to take the remote apart and clean it out. If the buttons on the tv do th same as the remote did then yes, take it back.

Posted on Aug 08, 2009

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1 Answer

47LG70 42 in. LCD TV turns itself on and surfs channels


You should try tristatemodule.com it sounds like its your main board thats shorting out give them a call and they can give you a cheap price on a replacement and guide you through the repair over the phone.

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I just purchased a 37"


Hi, Cheri Torres with DISH Network Customer Service here. I came across your post and wanted to see if I could help. Since you have already set the aspect ratio on your DISH receiver to the correct option the next step to try is changing the format. You can do this by pressing the (*) format button on the DISH Network remote, you should be able to cycle through a few different options to find the best one that fits your TV. If this option still does not fit the TV the way you want it to the only option left is to change the format options on the TV itself in the TV menus. You may have to refer back to your TV manufacture or the TV manual in order to do this. I hope you find this information useful and if you have any further questions please let me know.

Sep 19, 2011 | LG 42LP1D 42 in. LCD HDTV

1 Answer

Turned on my 42" LG


hi,
Yor tv has problem with back lighting. This tv uses LED (Light Emitting Diodes) as back light. These back light modules are not availabe in the maket now. You have to contact the authorised servicing centre for the same. You will get an idea how it works by the help of following picture.

Sep 16, 2011 | LG Televison & Video

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LG 42px5d the volume goes up and down by itself. Try to press the volume and the channel will change


hello, it look like the volume and channels micro swichs at the front of thr tv.
are broken, you should change all off them

Feb 07, 2011 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

I just brought home a new lcd lg tv I cant get abc2 and 3 and the sports channels alo i can get 10 but it isn't hd i dont understand what is going on it is driving me crazy please help!!!


ah... your hd box isnt hooked up or turned on, or you dont have hd service, also try just letting your tv program itself for the channels one more time after verifying connections

Sep 17, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

My Philips LCD TV just changes channels by itself


it could be one of the buttons to change channels is jammed

Jul 13, 2010 | Philips 42PFL7422D 42 in. LCD TV

1 Answer

Tv will not turn on


Tell me the sympton please.
Do the led stay red on stanby?
Do the led change to blue when trying to turn it on?
Every detail will help me to get you an accurate answer

May 25, 2009 | LG 42LC2D 42 in. LCD HDTV

2 Answers

Changed channels and losy all channels managed to get analogue channels with no sound now nothing again. LG 42 in hdtv


The problem was beyond me and I didnt want to have to send the set back but as it is under warranty I have succumbed and sent it to the TV Doctor , Thanks

Mar 16, 2008 | LG 42LC2D 42 in. LCD HDTV

14 Answers

42 in LG LCD TV turns off by itself


Found that TV started switching off by itself. Would try to come on..green light blinked for 2-3 seconds, tv came on (with picture and sound) for 1 or 2 seconds and then it would turn itself off. Found that the issue is with one channel only. If you are facing this issue....try quickly changing the channel the moment it comes on. You can do it either with remote or with the TV buttons directly. also in the same logic, if this is still happening, try changing the source to another (rgb-pc, av1, av2 etc). Basically change it from whatever input it is on currently, if changing the channels does not work. My symptom was that the tv made a loud 'TIK' 'TAK' sound which is louder than normal.

Jan 22, 2008 | LG 42LC2D 42 in. LCD HDTV

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