Samsung HE40A E-Manual page 175

Led professional display
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Issues
The TV turns off
automatically.
Solutions❑and❑Explanations
Ensure the
Sleep❑Timer
If your PC is connected to the TV, check your PC power
settings.
Make sure the AC power cord is plugged in securely to
the wall outlet and the TV.
When watching TV from an antenna or cable connection,
the TV will turn off after 10 ~ 15 minutes if there is no
signal.
English
is set to
Off
in the
Time
menu.

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