Question about LG 47LE5500 TV
My 47le5500 LG TV lost picture and lost sound. I wanted to post this to thank everyone that posts problems and solutions .if your smart you will research answers wisely. I replaced my power circuit board, it cost me 100, it didn't fix the problem. The only other thing to replace is the main board. Then I noticed someone put a main board into an oven and it fixed the problem. So that what I did, Didn't Have Anything To lose, I couldn't find a main board for my 2 year old TV. IT WORKED. Put it in for 8min at 240f. Let it cool down, installed it and I'm watching TV again, 2 days so far. Keep on posting problems because there's always a solution....cheap electronics, not built like the old days.
Posted by Anonymous on
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Posted on Jan 02, 2017
not sure what you're referring to as a "main board", but heres the LCD Control Board for the TV
Posted on Mar 13, 2009
IR senor may not be bad. Try using a different remote (universal) and program to TV. If universal remote works and your doesn't, you may need to purchase a remote instead of IR board. If you confirmed that the IR board is bad then replacing the IR board will fix the remote issue. IR board is an easy fix. Just open the back cover out and it's located right in the middle toward the bottom of the TV.
Posted on Jun 22, 2009
SOURCE: 42 Inch Plasma 42PC3D-UD
If you or your husband have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.
This link sells repacement boards for your TV. If you know which ones the tech said are bad, you can order them and replace the board yourself.
Pay $475.00 to get it fixed. :(
I hope I shed some light on the subject for you.
Posted on Jul 05, 2009
I have the same issue with my LG 42PC3DVA and I narrowed it down to the Y SUS board. After a little research there are a few items that are prone to go. The ceramic fuses (as you found), sometimes the capacitors on the Y SUS, Z SUS, and power supply go along with them You can tell because thy will be bulged at the top instead of flat. I replaced a few of my capacitors - they are only $0.89 each so it was MUCH cheaper than a board.
The other thing that is common on the Y SUS in particular are the FETs (also called MOSFET). They can be replaced if you are good with a soldering gun but they are static sensitive so be grounded. They are also a bit tricky to test so you may want to do some research on how to determine if this is the issue... or you can just replace the whole board.
Posted on Oct 28, 2009
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