Question about LG Televison & Video
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Posted on Jan 02, 2017
SOURCE: lcd tv screen has gone
1. A circuit board may crack about some of the larger
components mounted on it. You can inspect the PCB's for fractures, and then
repair them. It may also be poor soldering that has failed. I would be checking
for these things first.
2. If you want to go in for a long term solution, you can easily replace the whole power board or just change the faulty capacitors. You will have to open the back panel and take a look. You can make out which are faulty, because their caps will be swollen on top. Here's a sample pic (not same model):
Check the specifications of the faulty capacitors, and get the replacements from your local electronics shop. If you are comfortable with this, you can use a pair of needle nose pliers to G-E-N-T-L-Y pull out the defunct capacitors. Once that is done, solder in the new capacitors carefully. If are unsure how to do this, try to get a friend who knows how to do this kinda stuff do it for you, or get a qualified technician. Warning: If you do not have a background in electronics repair, or are inexperienced, get a qualified technician to do it for you.
REMEMBER there are very dangerous voltages inside a TV that can KILL. Be sure to work SAFE when dealing with electricity. DISCONNECT THE POWER BEFORE YOU DO ANYTHING.
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Posted on May 03, 2008
Sounds like one of your florescent tubes have died. THe power circuit is trying to start it but fails then shuts down
Posted on Jan 11, 2009
To do this, press the ENTER button on the TV and the MUTE button on the remote at the same time. After 5 seconds the screen should come up and it will read "Lamp use time...Total lamp use time ....lamp reset" Press the center button on your remote (the circle button right in the middle of the four directional buttons) and you will be reset to -0- again. Your orange light should now be off.
Posted on Feb 02, 2009
Sounds to me like its either the inverter or the lcd. If you can get the monitor apart go ahead and reseat the lcd cable cause it could be that the cable came loose during the move, it could be halfway in and halfway out.
After you do that see if the monitor works then, if not then try a different monitor on the computer, if you still get dim video with the known good working monitor then you know that the video card is bad.
If you get a good picture with a known good working monitor then you know the original monitor is bad.
Keep in mind that LCD's are sensitive and even if they get slightly hit, it could be enough to knock them out of commission.
Posted on Jul 02, 2009
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