HOW TO ENTER SERVICE MODE TO SAMSUNG [CB-14V1- _ CB-3373 _ CB-14V20 _ CB-5073 _ CB-20P30 _ CB-5079 _ CB-20S10 _ CB-21P30 _ CB21S50 & CB-21S20
To enter service mode to these models of Samsung TVs Press [STANDBY => P.STD => HELP => SLEEP => POWER ON] To call an item to adjust, use CH+ & CH--ve buttons. To adjust the data value to selected item, use Vol+ & Vol--ve buttons. To exit from service mode, press "Status" button.