Question about LG 47LE5400 47 in. TV
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Posted on Jan 02, 2017
SOURCE: LG l26lxd1 HDTV
Your power board has gone bad and is not supplying enough power to start up the inverters. The LED lighting at all shows that you do have standby power, but that is all. You will need to have the power board replaced. Hope this helps.
Posted on Jan 08, 2009
This is probably normal and called "Dynamic Contrast". Maybe this company has some other proprietary naming.
Basically, the Backlight (LCD) or Bulb (Projection) will be dimmed during dark scenes to allow the TV to make a deeper black.
Posted on Apr 29, 2009
Yes you need to replace the controler board,part number 6871QCH038A.It is located under the tuner board,so you will have to take it out to get to it.
Posted on Oct 03, 2009
SOURCE: We recently got a new
It can be the auto-contrast is doing its jobs so LG can claim that the TV has really high contrast ratio, also try turning off auto brightness feature off. It gets real bad when the scene has dark back ground such as the dark sky with stars, the TV will really dim down to give real black sky but at the same time you can barely see the stars on the screen, LG is not the only one with this design problem, VIZIO and other has the same problem as well. If you Google your model and search for review you may see that you are not the only one with this problem.
What is the exact model of this TV.
Please let me know what you find.
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Posted on Mar 09, 2011
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Your TV has a light sensor that changes the brightness of the TV based on room brightness.
It's called an "Intelligent Sensor"
You can turn this off in your "Picture" settings.
Congrats on such a nice TV purchase.
If this was helpful, please rank me a 4.
Mar 09, 2011 | LG Televison & Video
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