i have the same exact model which has hardly been used but is a few years old with exactly the same fault. Please please can anybody help US !
Paul if you find out how to fix it please let me know.
Thanks Paul Holdsworth
paul holdsworth, December 2009
I have had this problem and use a combination of switching off at the mains and/or clicking off the lcd tv on/off button. I now switch off at the mains and it's ok.
Good luck,