Question about Emerson EWL20S5 20 in. EDTV-Ready LCD Television
I have a 20 inch Emerson LCD tv model #EWL20S5C. Something has happened to the picture. The screen shows 2 of the same picture divided by a line down the middle. The pictures are blurry and the people are not moving. The sound is fine. Any ideas what might be wrong and if it's worth the price to fix it?
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
one of the inverter transformers has gone out this will cause the set to shut down as described in the problems stated above no need to replace the main module.
Posted on Oct 09, 2008
the power supply is bilt into the main pcb board, it needs to be repaired
comen failure in thees is the bridge diods a repair in any shop will cost from $40 to 60.
Posted on Jan 13, 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
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