Re: LG 55LA740V Intermittent backlight band troubleshooting help.

Problem solved.
I write these lines to help anyone who has the same problem.
The LG 55LA740S TV has a single strip of LEDs mounted on an aluminum plate located at the bottom and on top it has a sheet of some type of plastic that is what brings the lighting to the entire screen.
That strip is the one that fails.
When this type of failure occurs to you, stop worrying about it. It is the led strip.
Greetings.

Re: LG 55LA740V Intermittent backlight band troubleshooting help.

Hi. Indeed, as Neilc6 said, the backlight was at maximum and a power saving mode was activated.I turn the light down to half and turn off the economizer. I turned off and on and the screen came out completely black. I turned off and on several times until the screen came out fine.
It was like that all night and now comes the second part: At the end of the night there was a very good program and, since I have a disc connected to the TV, I put it on record.
This morning the tv appears with black screen and...

Re: LG 55LA740V Intermittent backlight band troubleshooting help.

Okay. I'll try it and say something. Thank you

Re: New Members - please post your introductions here

Hi. I am Kastcool. I don't know what to say ... I have little money and many old or broken appliances. I hope to fix them with your help.

Re: LG 55LA740V Intermittent backlight band troubleshooting help.

Hi. I am new here.
I don't know if I'm doing it right, putting this thread back. If it's wrong, forgive me and put this answer where it should be.
I have a LG55LA740s tv with more or less the same problem as Mano84 and Heder.
In my case, the vertical dark areas are almost always the same as on their TV, but on other occasions, if we think of 6 vertical columns and we count them from left to right, the dark areas can be 3 and 5 or 2 and 3 or 1 and 6, etc ...
To make it more complicated,...