No, the music channels on DirecTV do not leave a screen burn-in.
An LCD screen is a lot different than a plasma screen if you leave something paused on one of those it will not burn into the screen. You could pause whatever you wanted.
A burn comes from having a picture on the screen what has little movement. Don't leave the screen on a channel or video that is static for days at a time.
You can find detailed instructions on how to repair burn marks on a flat screen TV on ehow.co.uk/how_5749492_fix-marks-flat-screen-tv.html
how to remove the word " factory" on the television screen
What is it called when you remove debris from a wound, fracture, or burn
Because traditionally CRT monitors suffered fronm 'screen burn' where the contents of the screen were 'burnt' onto the screen. The screensaver was a moving object on the screen designed to stop screen burn. It is still popular today, because people can make them look cool.
cumputer screen
To remove a window screen from inside the house, locate the tabs or clips on the screen frame, push or pull them to release the screen, then carefully lift the screen out of the window frame.
To remove a window screen without tabs, gently push the screen frame from the inside of the window until it pops out. Be careful not to damage the screen or the window frame.
To remove a window screen, first locate the tabs or clips on the frame. Press or lift these tabs to release the screen. Then, gently pull the screen out of the frame. Be careful not to damage the screen or the frame during removal.
You cannot remove scratches from the screen. It is glass. If it were a plastic screen, a plastic polish would remove them. I would suggest a screen protector to prevent any more scratches from happening. And possibly a good protective case.