Hello it sound like the key lock has been activated
The TV can be set up so that it can only be operated with the remote control. This feature can be used to prevent unauthorized viewing. This TV is programmed to remember which option it was Press the MENU button on the remote control, then use the UP/DOWN arrow button to select the Special menu. Press the RIGHT arrow button to activate the Special menu. Use the UP/DOWN arrow button to choose Key lock, then press the RIGHT arrow button. Use the UP/DOWN arrow button to select On or Off. Press EXIT button to save and return to TV viewing or press the MENU button to save and return to the previous menu. 1 2 3 4 5 The TV can be set up so that it can only be operated with the remote control. This feature can be used to prevent unauthorized viewing. This TV is programmed to remember which option it was last set to even if you turn the TV off. Language Main Source PIP Source Captions Caption/Text ARC Key lock G Auto Convergence Auto Move F Back Next G SETUP VIIDEO AUDIIO TIIME LOCK SPECIIAL On Off With the KEY LOCK ON, the display 'KEY LOCK' appears on the screen if any button on the front panel is pressed while viewing the TV. This TV is programmed to remember which option it was last set to
last set to even if you turn the TV off.
even if you turn the TV off. good luck
regards
shaun
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