Settings > Power Save Settings

Power Save Settings

Adjust settings for the power save feature. To save power, the PS3™ system and wireless controllers can be set to turn off automatically after a certain period of inactivity.

System Auto-Off

After 1 Hour The system turns off after the specified period of inactivity.
After 2 Hours
After 3 Hours
After 5 Hours
Off The system is not set to turn off automatically.

Hint

The system will not turn off automatically under special conditions such as during gameplay, video playback or slideshow playback. If you want the system to turn off automatically even under these special conditions, select [Turn Off System Automatically Even Under Special Conditions] in the screen that is displayed after enabling the System Auto-Off option.

Controller Auto-Off

Off The controller is not set to turn off automatically.
On The controller turns off automatically.

Settings > Power Save Settings