1. There is no free service manual. I see them for about 7 and up dollars with this search.
https://www.google.com/search?q=23EA63&ie=utf-8&oe=utf-8#q=23EA63v+service+manual
2. You'll need that manual to get inside and to know what you are looking at.
3. Try http://www.ebay.com/gds/How-to-Repair-an-LG-LCD-Monitor-/10000000205233425/g.html
4. Remember there are LETHAL VOLTAGES inside so you accept all risk and have technical training.
5. Watch https://www.youtube.com/watch?v=JFukhCMPUEU
6. Similar displays run about 130 or less.
https://www.amazon.com/Acer-R240HY-bidx-23-8-Inch-Widescreen/dp/B0148NNKTC/
Hey,
So few weeks ago, my monitor just started to flicker on startup. At first i tough it's and GPU or Power Supply issue, but that not the case. It takes at least 10 + minutes of screen flickering on/off to get monitor working. I have to restart computer dozen times before it starts working properly.
As far as i'm guessing there is some capacitor issue, but i can't figure out how to open the monitor. There are no screws but only thing. 
Chowhound
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