Samsung B650 LCD TV hard reset: With the TV on press and hold EXIT...

 

Samsung B650 LCD TV hard reset: With the TV on press and hold EXIT button for 10 sec then Press OK to reset B650 LCD TV.

Samsung B650 service menu: Power off TV to standby. Press INFO > MENU > MUTE > POWER. B650 LCD TV will power on and service menu will appear.

Warning!: You may lose your warranty when you enter to service menu.