Try this
Method one- with set on, hold down the exit button on the remote for 10 seconds. It will bring up the warning it will reset to the defaults it had when removed from the box and powered up initially. in the warning box it will show the cancel button highlighted initially. press the left arrow to select the reset option. You may end up doing this blind, so you may need to try it a couple times and the only indication of where you are is just a slight flash from part of the screen.
Once that left arrow has been pressed once, the reset option choice changes to "Ok" or "reset", press "enter" The set should
do it's thing to reset and then shutdown.,
Method 2
it should get you into the hotel settings, but you can reset to factory defaults from there, changing any other settings may limit access to the normal settings.
Shut the set off.
The while holding the mute, menu and info buttons, trun the set on while holding them down. If the functions portion of the board is working, it should bring up hotel options menu.
The next step is to test and replace electrolytics in the 24 volt section of the power supply and check the entire supply board for bad solder connections. These see the greates swings in voltage and load, therefore a marginal capacitor will fail, but with that stated, also check the inverter board electrolytics and the switching transistors used for that very same reason..
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To remove your TV from Shop Mode or Store Demo Mode, follow these steps:
Note: You may want to press the INFO button on your remote again to confirm you TV is no longer in Shop Mode or Store Demo Mode.
Note: You may want to press the INFO button on your remote again to confirm you TV is no longer in Shop Mode or Store Demo Mode.
Note: On many TVs the menu sections name is displayed on the left side of the menu and sideways.
Note: If the "Plug & Play" option is grayed out and can't be selected this means that you are not on the TV (Coax (RF)) source. Please return to step 1.
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unfortunately I could not get either solution to work. The red light in the bottom right hand of the screen would flicker and go out but the tv did not reset itself. I cannot see anything on the screen so not sure what is happening. When I tried option 2, nothing happeened. tv did not turn on
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