Solutions & Tips

Content Type
Sort by : More Relevant
{{loadedCount}} of {{totalCount}}

Download Manual


HG55NJ678UF (HG55NJ678UF)

  • Backlight LED
  • Screen Size 55
  • Resolution 3,840 x 2,160
  • Picture Engine UHD Mastering Engine
  • Micro Dimming N/A
  • Auto Motion Plus Yes
  • Film Mode Yes
  • Natural Mode Support Yes
  • Motion Rate 120
  • PQI (Picture Quality Index) 1300
  • HDR(High Dynamic Range) HDR
  • HDR10+ Yes
  • HLG (Hybrid Log Gamma) Yes
  • Contrast Mega Contrast
  • Colour Pur Color
  • Viewing Angle (H/V) 178/178
  • Auto Depth Enhancer N/A
  • Contrast Enhancer Yes
  • Dolby Digital Plus Yes
  • DTS Codec N/A
  • Sound Output (RMS) 20W
  • Speaker Type 2CH
  • Woofer N/A
Smart TV
  • Samsung SMART TV N/A
  • Voice Interaction N/A
  • TV Plus N/A
  • Web Browser N/A
  • SmartThings App Support N/A
  • SmartThings N/A
  • Universal Guide N/A
  • VESA Mount 200 x 200 mm
  • VESA Screw Size M8
  • VESA Screw Depth 43-45
  • TV to Mobile - Mirroring N/A
  • Mobile to TV - Mirroring, DLNA N/A
  • 360 Video Player N/A
  • 360 Camera Support N/A
  • Easy Setup N/A
  • Bluetooth Low Energy N/A
  • WiFi Direct N/A
  • TV Sound to Mobile N/A
  • Sound Mirroring N/A
General Feature
  • Processor Quad-Core
  • Accessibility Voice Guide(US English)/ Enlarge/ High Contrast/ Learn TV Remote(US English)/ Multi-output Audio
  • Digital Clean View Yes
  • Auto Channel Search Yes
  • Auto Power Off Yes
  • Caption (Subtitle) Yes
  • Connect Share™ (HDD) Yes
  • ConnectShare™ (USB 2.0) Yes
  • EPG Yes
  • Game Mode Yes
  • OSD Language English, Spanish, French, Estonian, Finnish, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Serbian, Slovak, Swedish, Bulgarian, Croatian, Czech, Danish, Dutch, Slovenian, Albanian , Macedonian, Bosnian, Korean
  • Picture-In-Picture N/A
  • BT HID Built-in N/A
  • USB HID Support Yes
  • Teletext (TTX) N/A
  • Ambient Mode N/A
  • Ultra Clean View N/A
  • V-Chip Yes
  • MBR Support N/A
  • IPv6 Support N/A
  • Digital Broadcasting ATSC/ClearQAM
  • Analog Tuner Yes
  • CI (Common Interface) N/A
  • Data Broadcasting N/A
Hospitality Feature
  • Samsung LYNK™ HMS Compatibility N/A
  • H.Browser Compatibility N/A
  • Samsung LYNK™ REACH (IP) N/A
  • Samsung LYNK™ REACH (RF) REACH 4.0
  • Hospitality Home Menu Home Menu 2017
  • Bluetooth Music Player (Mobile → TV) N/A
  • Hospitality Plug&Play (Easy Set-up) Yes
  • Auto Source Mode Yes
  • Power On Mode Yes
  • Hotel Channel List Yes
  • Channel Menu Display Yes
  • Mixed Channel List (ATSC, DVB-T/T2/C/S2, Analog) Yes
  • My Channel Yes
  • Energy Saving Mode (BLU Control) Yes
  • Logo Display with Time Out Setting (BMP/Movie) Yes
  • Welcome Message Yes
  • RJ12/IR Pass Through Yes
  • External Clock Compatibility No
  • Clock Back Up Supply Yes
  • External Clock Dimming Control No
  • Software Clock N/A
  • Multi Code Remote Control Yes
  • Screwed Remote Battery Cover Yes
  • Soundbar Compatibility Yes
  • Music Mode (Input: PC/AV/Component/HDMI) Yes
  • Music Mode Backlight on/off N/A
  • TTX Clock Update (Analogue) No
  • USB Cloning Yes
  • Smoovie Compatibility Yes
  • Soft AP N/A
  • On/Off Timer (Schedule) Yes
  • Wake-up Timer (Alarm) Yes
  • Samsung LYNK™ DRM Yes
  • Pro:Idiom Yes
  • bLAN Yes
  • Security Mode Yes
  • S/W EPG (Solution EPG) Yes
  • IP Over Coax No
  • UL Certification N/A
Input & Output
  • HDMI (Side/Rear) 3/0
  • USB (Side/Rear) 2
  • Component In (Y/Pb/Pr) (Side/Rear) N/A
  • Composite In (AV) (Side/Rear) N/A
  • Ethernet (LAN) (Side/Rear) N/A
  • Headphone (Side/Rear) N/A
  • Audio Out (Mini Jack / LR) (Side/Rear) N/A
  • Digital Audio Out (Optical) (Side/Rear) 1
  • RF In (Terrestrial / Cable input) (Side/Rear) 1/1(Common Use for Terrestrial)/0
  • Ex-Link ( RS-232C ) 1
  • CI Slot (Side/Rear) N/A
  • HDMI A / Return Ch. Support Yes
  • Wireless LAN Built-in N/A
  • Anynet+ (HDMI-CEC) Yes
  • Pillow Speaker Jack (Side/Rear) No
  • Variable Audio Out (Side/Rear) N/A
  • Variable Audio Out Volume Control (Side/Rear) N/A
  • Video Out (Side/Rear) N/A
  • RJ12 (Side/Rear) 0/1
  • RJP (Remote Jackpack) (Side/Rear) 0/1
  • Headphone ID (Side/Rear) N/A
  • Door-Eye Control (Side/Rear) No
  • Door-Eye Video In (Side/Rear) No
  • PC In (D-sub) (Side./Rear) No
  • PC/DVI Audio In (Mini Jack) (Side./Rear) No
  • Ethernet Bridge (LAN-Out) N/A
  • Front Color Charcoal Black
  • Stand Type Square
  • Swivel (Left/Right) 90/90
  • Bezel Type VNB
  • Light Effect (Deco) N/A
  • ENERGY STAR (Latest effective version) N/A
  • Eco Sensor Yes
  • Power Supply (V) AC110-120V 50/60Hz
  • Power Consumption (Max) 140 W
  • Power Consumption (Energy Saving Mode) N/A
  • Power Consumption (Stand-by) 0.5 W
  • Power Consumption (Typical) 65 W
  • Set Dimension without Stand (WxHxD) 1238.6 x 714.2 x 59.2 mm
  • Set Dimension with Stand (WxHxD) 1238.6 x 768.4 x 226.5 mm
  • Package Dimension (WxHxD) 1441 x 852 x 170 mm
  • Set Weight without Stand 17.3 kg
  • Set Weight with Stand 20.5 kg
  • Package Weight 26.5 kg
  • Remote Controller Model TM1240A
  • Batteries (for Remote Control) Yes
  • Samsung Smart Control N/A
  • Mini Wall Mount Supported Yes
  • Vesa Wall Mount Supported Yes
  • User Manual N/A
  • E-Manual N/A
  • ANT-Cable N/A
  • Power Cable Yes
  • Quick Install Guide Yes
  • Data Cable N/A
  • Stand Mount Kit Yes
  • Security Screws (Stand Base) Yes
  • PureCare Remote(Seamless White Remote) No
  • No Gap Wall-mount N/A
  • Optional Stand Support N/A
  • Slim Gender Cable N/A
  • Angle Adaptor (for Side RF tuner) No

Not finding what you're looking for? We're here to help.


Live Chat

We’re available 24 hours a day, 7 days a week through Live Chat


Please send us an email for general questions or technical support.

Find Online Offers

Shop the current Samsung product promotions.

Track Your Service

Find out how to track your service online.

SmartThings Support

Please send us an email regarding SmartThings inquires. Assistance with Hubs, Kits, Sensors and Outlets.


Watch and learn how to get the most out of your Samsung products!

Online Service Request

Find out how to submit an Online Service Request.

Consumables & Accessories

Purchase Consumables & Accessories for your Samsung Product.

Remote Service

Samsung Remote Service enables one of our specially trained technicians to remotely view and control your Samsung TV and smartphone to directly help you with your product.



Mon - Sun : 8:30 AM -12 AM (EST)
24/7 Call Support available for mobile devices only

Online Shop1-855-254-4747
8:30am – 12:00am midnight (EST)
7 days a week, 365 days a year.

1-800-726-7864SmartThings Support

Mon-Sat: 11:00 am – 8:00 pm (EST)

932-27324/7 Support available for Cellphones and Tablets

Text ‘SUPPORT’ to WECARE (932-273) and get instantly connected to live chat.*

*Standard messaging rates may vary by
carrier and do apply.

* For any printer related enquiries please visit the HP website .

Face-to-face support

Samsung Service Centres

Find out more about how you can get face-to-face help.

Smart Service

Find out more about Smart Service.