HOW TO ENTER SERVICE MENU TO SAMSUNG LCD & PLASMA TVs

Set the TV to standby mode. Press   [P.STD] [HELP] [SLEEP] [POWER]    OR    [P.STD] [MENU] [SLEEP] [POWER]    OR    [SLEEP] [P.STD] [MUTE] [POWER]. 

The Tv will turn on with service menu display.

Use channel Up or Down button the select Items, and Volume Up or Down buttons to adjsut data vlaue.
Press power button to exit from service manu display.