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Check voltage at the power board. After 120 volts enter the TV, there is fuse then a small high voltage transformer, then a 100 uf rated at 450 volts capacitor. There should be 390 volts DC at the capacitor. Without this 390 volts the TV will shut down.
before you have it service make sure, if it is a smart tv, that you have done all updates and also reinitialize the software tv setting as well. This happen to me and and tried this and it has worked. Good Luck.
Try vacuuming the back of the vents, or carefully use compressed air. a fan might help, if the tv is in a tight spot and not getting proper air circulation .
Enter in the user mode:
1.Press the Clear mode key.
2. Press the Clear/Stop key more 4 sec untill the user tool menu appears on the touch panel.
3.This copiers has more 12 user tools.You can see 5 user tools on the display at the same time.Use these keys to see the rest .
4.AUTO RESET: the copier return to the initial condition autommatically after your job is finished.(after 60 sec)
5.SCREEN SAVER :when the copier does not detect anyone operating it for selected time the display turns OFF.(60 sec).
6AUTO OFF:Whwn the machine is used after weekly timer has turned it OFF the copier will turn itself back OFF after the selected time.The auto OFF time can be set from 1 to 999 minute or the function can be turned.(I recomanded setting level OFF).
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