Sounds like corrupted software (firmware). Contact any service technician to make it confirm.
If you wish to get some details; about the firmware update and others, check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
SOURCE: Hitachi HD 1080 has blue power light on but no picture
Press the reset button...it's on the bottom to the right (underneath the TV). Same thing happened to me.
SOURCE: pink screen
When the "pink screen" happens on my Polaroid FLM-1911 TV, I unplug the power cord from the back of the unit, wait 30 seconds, and replug it. This fixes the problem.
SOURCE: WHERE To BUY power boards for emerson 32" FS TV
I had the same problem. Mine gave out in 4 months. Those boards are hard to find right now. Google the the board# BA71FOFO1042 and someone like (buyjimmy.com) I think will sell TV parts. If not, you can fix the board itself like I did. Mine was a bad inverter transformer. If you need the parts# for anything let me know, I have the Service Manual for the TV. Good Luck
SOURCE: lg lcd tv keeps changing chanels
Come on, lets try to solve this. Take the batteries out of the remote so it can't interfere and try changing the channels and volume with the buttons on the tv. If this works then someone has spillled something onto the remote and gummed it all out. You simply need to take the remote apart and clean it out. If the buttons on the tv do th same as the remote did then yes, take it back.
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