HOW TO ENTER SERVICE MODE TO SAMSUNG [CB-14_CF-14_CL-14_CB-20_CF-20_CL-20_CZ-20_CB-21 & CZ-21]

There are two ways to enter the service mode to these sets.

[1] If you  have the factory remote control, press [Service / Factory] button on it to enter the service mode.

[2] If you don't have its Factory Remote control

Press [STANDBY_DISPLAY_MENU_MUTE_POWER ON] buttons on the remote in sequence.
To call an item to adjust, use [Ch+ / Ch--ve] buttons on the remote control.
To change the data value to selected item, use [Vol+ / Vol--ve] buttons on the remote control.
To exit from service mode, press [Standby] button on the remote control