Television and Home Theater

  Is there a way to unlock parental controls on a tv.Will some one HELP me?

I HAVE A JVC MODEL #AV-56WP30. THE PICTURE AND SOUND WORK FINE. THE PROBLEM IS THAT THE GREEN COLOR IS SAGGING ON THE TOP. IT LOOKS LIKE IF YOU COULD REACH IN THE TOP AND GRAB THE GREEN AND PULL IT UP IT WOULD BE OKAY. WHEN YOU GO TO CONVERGE YOU CAN LINE UP ALL OF THE WHITE CROSSES EXCEPT THE TOP LEFT AND TOP CENTER. THE BLUE AND RED WILL LINE UP, BUT THE GREEN IS WAY OFF.

ANY AND ALL HELP IS APPRECIATED.

I have a 27" Zenith portable TV. Several months ago it started to go from a full screen to a thin  white line in  the middle of the screen. It steadily got worse but always went back to a full screen.  Then after it was on a while it started to go from full screen to thin line and turn off. If I unplugged it and waited a while , plugged it back in it would turn on and after some tapping on the top of the TV   it would work.  Now it doesnt turn on at all I can hear it click on but there in a black screen.

Any ideas?

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