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My LG 19LH2000 LCD TV
You may wish to try the unit in a different electrical outlet in another part of the house to ensure that the house's electrical breaker did not trip for that particular circuit. You can also test the wall socket with a voltmeter if you have one or you can just use a standard plug in reading lamp to confirm that you have power at the outlet.
If you do not have good power at the outlet, then you may just need to reset the breaker for that circuit at the house's main electrical panel.
If you do have good power at the plug, then it may just be a blown fuse in your TV. Many of these TV's have a small fuse holder built right into the rear plastic cover right where the power cable enters the enclosure which can be easily accessed without having to open up the whole TV enclosure. Just unplug the power to the set and gently pop open the little fuse holder cover to reveal the fuse inside. Here is a link to an image of a common type:
Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information and items at the website indicated.
Then just check the fuse for continuity with a multimeter to see if it is bad. Replace it with a brand new one of equal value if necessary.
If your set does not have an external fuse, then you may have an internal power supply circuit board problem which will require some disassembly of the TV enclosure in order to access and troubleshoot.
Before you attempt any kind of disassembly or home repair, you should actually check with your retailer where you purchased the item about any possibility of a warranty return or exchange. If the warranty is already expired then you have nothing to lose by opening it up and having a look, assuming of course that you have at least some basic electrical safety knowledge and that you follow all the necessary precautions.
Good luck, I hope this was helpful.
LG 19LH20 19 in....
on Sep 20, 2011
The screen has gone blank
Problem is in either power supply or the Y-Sustain board.
The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.
Often there are fuses on that board - one or more.
if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.
Hope this will help in solving the problem.....
LG 19LH20 19 in....
on Aug 08, 2011
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