Service Menu Samsung NJ678U HG50NJ678UF 50" (HG50NJ678UFXZA)
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The following are the options for entering the Samsung NJ678U HG50NJ678UF 50" (HG50NJ678UFXZA) service menu.
These methods work on almost all modern Samsung LCDs, including HD and UHD versions.First, put the TV or Smart TV in Standby mode.
Option №1
On the remote, press [Info] [Menu] [Mute] [Power] in sequence.
Option №2
On the remote, press [Mute] followed by [1],[8], [2], [Power] in sequence.
Option №3
On the remote, press the [DISPLAY] [P.STD] [MUTE] [POWER] in sequence.
Option №4
On the remote, press the [SLEEP] [P.STD] [MUTE] [POWER] in sequence.
Option №5
On the remote, press the [DISPLAY] [MENU] [MUTE] [POWER] in sequence.