Question about LG 55LH40 55 in. LCD HDTV

1 Answer

The set is a week old and today the tv will turn on but with absolutley no picture. not even the lg logo on the screen. everything is hooked up correctly and we havent had any power surges to cause damage.

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • LG Master
  • 6,993 Answers


its obvious that the the picture/display board of your TV is defective, that's why there is not display.

Of course, this will need to be repaired for the TV to display again. Despite the fact that its a new TV, electronics are very daisy as the TV may have a factory error that may have caused the display to damage so quickly.

I would suggest you take the TV back to where you bought it and replace it with another. Its too soon for a week old TV to have this type of fault.

I don't think it will be goo d you use your money to fix this TV.

Good luck.

Posted on Oct 08, 2010

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Sharp TV (LC-40LE550U) without picture, but sound is fine. Very weak image with flash light. TV can be turned on with remote with green indicator.

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Feb 29, 2016 | Sharp LC-40LE550U 40" LED TV 1920x1080, 60...

1 Answer

The tv has sound but no picture. For

LG LED TV has no picture (black screen) but still sound ...
My 32' LG LED TV has suddenly lost picture! The sound is all right but the Screen is pitch black. After switching it on the picture flashes for a second and then the screen goes completely black.

LCD Easy Fix (sound but no picture) - YouTube

? 4:52
Jan 13, 2012 - Uploaded by Clay Whitehead
TV Has Sound But No Picture Troubleshooting Guide - Duration: 2:30. by 472,733 views. 2:30. LG LCD TV REPAIR -NO PICTURE ...

Dec 21, 2015 | LG 47LN5400 47" LED TV 1920x1080, 120 Hz....

1 Answer

The power went off today for unknown reasons at my house while I was watching my LG TV through my LG LHB335HTS which is hooked up with HDMI Cables. When the power came now it will not show a picture...

I was able to fix this issue by changing the screen resolution to auto on the home theater system. Since I had no picture on my tv, I had to unplug it and plug it into another tv. Once connected to the other tv, I was able to access the menu and change the resoultion to auto (it had been reset to 480dpi, this is why it didn't work on my main tv). After I set it to auto, I was able to get it all to work. My niece had been playing with the button in front of the device and apparently the sequence of opening the DVD tray and pressing the stop button causes the screen resoultion to reset to 480dpi.

Jun 16, 2011 | LG LHB335 Theater System

1 Answer

My LGW2242T Flatron goes into power save mode within seconds of power up - so that only the LG logo appears on the screen - I dont even get a chance to go to screen saver options. This happened after I...

We need to narrow down the problem first, try this monitor with another PC to make sure i is not the PC problem, we do not want to take apart the monitor unless we have to. Please post back what you find first. See pictures below so you will knaow why if you will want to open up the monitor or not.
Failed TV and Monitors:
Capacitors kit: he can make you a set of caps for you.

Aug 31, 2010 | LG Flatron L1951S-SN 19" LCD Flat Panel...

1 Answer

LG Projection Screen No Picture

Hello, if the model number is correct it's not a projection tv, but an LCD tv. If that's correct, it sounds like a bad main board issue part # is AGF31218501...thanks

Apr 25, 2017 | LG 42LC2D 42 in. LCD HDTV

2 Answers

I have upto now been using my LG Flatron L1919S monitor as a tv with a separate tuner. today i replaced it with an LCD tv and was going to use the monitor for my computer. however when i connected it up...

It means your PC video output resolution is too high for the LG monitor to display (your old monitor (CRT) can handle higher resolution than this LG LCD monitor), you need to set the PC video resolution to native resolutionof this monitor which is 1280 x 1024 @60Hz. You may have to use the old monitor (CRT) to set the resolution to 1280 x 1024@60Hz, then hook up the LCD monitor.

Mar 27, 2010 | LG Flatron L1919S LCD Monitor

2 Answers

Samsung logo

How old is the set and what kind of TV is it? LCD,plasma, direct view?


Feb 12, 2008 | Televison & Video

1 Answer

Sound but No Picture

Perhaps your remote is set to video recorder?  Try that first, and if no response, try calling up a menu on your TV and look for the Picture Settings.
Good Luck.

Nov 03, 2007 | LG 37LP1D 37 in. LCD Television

3 Answers


No sir its not just an adjust ment or "twiddling" It sounds like its one of the same as your girlfriends set except a differant part such as a capacitor in the vertical curcuit, Output IC or even a defective resistor?? Good Luck

May 18, 2006 | Grundig GF70-600 TV

Not finding what you are looking for?
LG 55LH40 55 in. LCD HDTV Logo

Related Topics:

99 people viewed this question

Ask a Question

Usually answered in minutes!

Top LG Televison & Video Experts

Computer Repairing
Computer Repairing

Level 3 Expert

14641 Answers

The Knight
The Knight

Level 3 Expert

74136 Answers

Les Dickinson
Les Dickinson

Level 3 Expert

18392 Answers

Are you a LG Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides