We were watching tv and the picture became very dark. The image was still visable, however to see the picture I had to adjust the brightness to 100. The night time scenes are very dark and barely visable. We don't have a clue what the problem may be.
Hi, Just a guess,under the power button, inside the the flip[ down cover is a light dimmer,you can turn this on and off,in advanced settings under video,a flash light will trigger the sensor to see if it works the dimmer,if not it could be that circuit or your power supply needs work,I hope this helps!
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@sam8823 “Now is it possible to damage T con board this way “ absolutely possible. Unlikely that you damaged the panel (sure always possible, but unlikely). “This “Also there were two conductive tapes between Lcd panels (one on left and one on right panel) and TV body. “ sounds odd. Post some good images of your Panel and the cables that enter the panel. Adding images to an existing question that way we can see what you see. You need to have more TABS on a 55” TV than 2. Also, let us know what the exact model is.
Sounds like the screen voltage has been gone very low than normal. This might happen, if the CRT base socket have any damage. If you wish to get more details, check the site linked here. Surf the site in "MOSAIC" view. http://electronicshelponline.blogspot.com/
Sounds like the high voltage is marginal.
My experiance is to not put money into a TV that is over ten years
old. TVs stress out their electronic components worse than almost
any other electronic product. After 10 years, there are so many
parts that are ready to fail that your are probably wasting your money
trying to get any more life out of it.
Another option is to wholesale replace the main board by sending it to Module Exchange at 972-298-1212,
or PTS Electronics 800-844-7871 ptscorp.com.
Be careful on buying a new one though. Often times, these new
technology ones are much worse. Always Google the model number of
the set you intend to buy and add the word 'repair' or 'complaint' to
see if it is one of the many models that are customer service
nightmares being produced by even the most reputable companies today.
Hope ya fix it!