Question about Emerson LC401EM2F 40" Inch LCD Full HD TV
I have a 40 in lcd hdtv emerson brand 1080p tv and it just now started showing a pink line then the bottom half of the screen turned like a see through green then back to the pink line again what could possibly be wrong with the tv
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Posted on Jan 02, 2017
The pixels on your screen are controlled by a matrix composed of switches that turn off and on to produce light.
They are located vertically and horizontally, row-wise and must function together to produce everything from black (everything turned on so no light, or very little, can escape) to layers that represent the three colors that are used alone or in combination to produce the millions of possible shades of each.
One of the switches that controls one of the vertical columns has failed and has turned on the entire column that allows red to display.
The problem switch (a semiconductor combined with many) is permanently turned on, probably part of the screen assembly itself, and was placed with others by robots.
The pin spacing on these 'chips' is very small and often makes the assembly unrepairable.
While LCD panels have fallen hugely in price, you may be looking at a parts cost (labor is probably not too bad) that may make you decide to replace the set.
Unfortunately, the once-proud Emerson name has sadly been degraded and there is a lot of their electronics available from companies that specialize in 'refurbished' products, an indication that they have a large failure rate.
Posted on Jul 07, 2008
This is Emerson's #1 problem.
The Inverter Transformer on the power supply/backlight inverter board goes bad. It's what powers up the screen for your TV. When the part goes bad, it doesn't have enough juice to power the screen and the TV automatically turns off. You have 5 Inverter Transformer on your board.
You can fix the problem by replacing the whole board or replace the bad Inverter Transformer.
Here's where you can get a new board for a good price:
Or, here's where you can get replacement Inverter Transformers:
Posted on Jun 17, 2009
Your not alone with this problem.
I had to fix mine. The warranty is less than impressive.
The trouble is going to be the Power Supply/Backlight Inverter board.
This is the picture of yours:
This is board # BA71F0F01042. Replacement boards are hard to come by.
Fixing the board like I did seem to be the only option. If you need info on fixing it, let me know.
Posted on Jun 18, 2009
I got the same TV for my stepdaughter and had the same problem. None of the Emerson codes worked. We use Dish Network but I did the autoscan thing on the remote and found that it was 672 which is listed as a Sylvania. I don't know if it will help in your case but maybe try the Sylvania codes. Good luck.
Posted on Dec 25, 2009
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