When I try to to turn the tv on, it will come on and then turn off. If it does come on for a few seconds, if I try a different station, the tv screen turns dark and I can't do anything except unplug it to try and turn it back on. Remote has no impact and none of the buttons work. Before this started, the TV screen would freeze and then turn into strips or black with a pattern at the top of the screen. Again nothing works to try and fix it except unplugging it and then plugging it in again. This would help most of the time, but not any more.
Based on the lower specification of this TV any repair is more than likely going to exceed the cost to replace it, One of the internal components has failed and generally unless you are handy with an oscilloscope it's not worth fixing.
SOURCE: power light blinks red, TV doesn't turn on
if you are not technical i sugest you have this checked out by a professional most probably a fuse has gone from iside or your driver board has gone down. The blinking should be normal after you have turneds it off because some capacitors will be discharging.
SOURCE: lg lcd tv remote code
HI,
BUY A NEW REMOTE FROM E-BAY OR PARTSTORE.COM,TRY A UNIVERSAL ONE IF STILL DOESN'T WORK TV INTERNAL IR INTERNAL RECEIVER IS FAULTY,THANKS.
SOURCE: lg tv automatically turn on and off. Power surge
the software in the main control is damaged. call your lg servicer in your area. he might get you a software update
SOURCE: My LG Plasma 42PC3D turns on and off repeatedly. I
Your plasma TV has a power supply 6709900019A. These power supplies failed due to defective capacitors. See the picture below and check the capacitors mark with the red lines. There are 10 capacitors that should be replaced even if they do not show signs of bulging/swelling on top.
The value of the capacitors is 3300uF/10V but you can use 25 volts as long as they fit in the space provided by design.
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