To properly experience our website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents

49” Class (48.7” diagonal) Edge-lit LED IPTV with Integrated Pro:Idiom® and b-LAN

  • 49LX774H

Key Features

  • Pro:Centric® SMART
  • Integrated Pro:Idiom® DRM Technology
  • webOS & Media Share Features
  • Commercial Swivel Stand

Pro:Centric® SMART 

The LX774H is the latest in the line of Pro:Centric TVs that provide a unique and dedicated hotel applications hosting platform for LG's system integrators' interactive applications, enabling delivery for a wide range of custom applications tailored to both hotel management and guests' needs. LG Pro:Centric SMART offers extended customizable tools: HTML5, Java and Flash. Using these tools, partners can optimize the TVs by editing and developing their own enhanced service design to increase the visual impact on guests.



Pro:Idiom unlocks access to premium content to help ensure rapid and broad deployment of HDTV and other high value digital content. Pro:Idiom has been designed specifically for users of premium HDTV content from cable, satellite, or video on demand (VOD) services, and is intended to lower costs and reduce maintenance. This leading DRM system is embraced for its security solution, prevents illegal copying of copyrighted content.

Smart Share

LG Smart Share ® allows guests to use the TV to access and view data shared either by wired DLNA Certified ® devices connected to the same LAN as the TV or by wireless LG devices using LG’s Smart Share application with Wi-Fi Direct ®.

Screen Share 

Screen Share enables screen sharing with a Miracast ® or Wireless Display (WiDi) capable device (e.g., a laptop with Intel ® hardware).

Bluetooth Sound Sync (Bluetooth 3.0)

Bluetooth Sound Sync allows guests to listen to audio from a Bluetooth-enabled mobile device through the TV’s speakers.

* Support devices for Bluetooth Sound Sync : Android (above v4.4 KitKat) / iOS based Mobile Device


SoftAP enables the TV to function as a 2.4 GHz wireless access point for up to five devices.


DIAL (Discovery and Launch) allows guests to play selected application media on the TV from a device with DIAL capability. The device may be used to cast any application for which a TV-compatible application has been created/selected.

Pre-loaded Apps

Guests can be served with bandwidth-worry-free pre-loaded applications, including Accuweather, Crackle, HULU, Web Browser, and YouTube (other applications may be added in the future, subject to licensing terms).

Diagonal Size48.7"
TypeEdge LED
Resolution1,920 x 1,080 (FHD)
Dynamic Contrast Ratio1,000,000:1
Static Contrast Ratio1,200:1
Viewing Angle Degree178°/178°
Response Time (G to G)9 m/s
Frame Rate60 Hz
DigitalATSC / VSB / Clear QAM
Triple XD EngineYes
Real Cinema 24p (3:3 pull down)Yes
Dynamic Color EnhancerYes
Aspect RatioYes 6 modes (16:9, Original, 4:3, Vertical Zoom, All-Direction Zoom, Just Scan)
Audio Output / Speaker System10W + 10W / 2.0 ch
Sound ModeYes 6 modes (Standard, Cinema, Clear Voice III, Sports, Music, Game)
Optical Sound SyncYes
Wireless Sound SyncYes
Pro:Centric ® TypePro:Centric Smart
Pro:Centric ® Hybrid Streaming (IP&RF)Yes
Pro:Centric ® ApplicationYes
Pro:Centric ® RF2 Tuner
Pro:Centric ® HCAP (SDK)GEM / Flash / HTML
Smart FeaturesSmart Share, DLNA, WiDi, Miracast, Wi-Fi Direct, DIAL, Bluetooth Sound Sync., SoftAP, Web Browser, Magic Remote (Optional), Supported Wi-Fi Standards (802.11a/b/g/n/ac)
ManagementRemote Diagnostics / EZ-Manager Wizard (for Auto Configuration)
InteractivityHTNG / HDMI-CEC
Digital Rights ManagementPro:Idiom
USB MediaMoving Picture Playback (MPEG), Picture (JPEG), Audio Codec (AC3, EAC3, AAC, Mpeg, MP3, PCM)
RJP CompatibilityYes
Advanced Setting OptionAuto Off / Auto Sleep, Smart Energy Saving, Motion Eye Care
Anti-theft SystemKensington Lock, Credenza/Security Screw Hole, Lock Down Plate, Commercial Grade Stand
YesWelcome Screen (Splash Screen), FTG Mode, Instant On, IR Out, External Speaker Out, Public Display Mode, USB Cloning, Logical Channel Map, Multi-IR Code
SideHDMI In (2), USB 2.0
RearRF In, AV In (Sharing with AV In), Component Audio In, Optical Digital Audio Out, HDMI Input, USB 2.0, PC Audio Input (Sharing with Component Audio In), LAN Port (2), RJ45, External Speaker Out, TV Link Configuration, PTC Configuration, MPI Port
YesPower Cable (5.9 ft.), Owner’s Manual / Easy Setup Guide
Bezel Width (L/R, U, B) : on bezel based15.1, 12.7, 17.8 (mm)
Bezel Width (L/R, U, B) : off bezel based12.6, 10.2, 15.3 (mm)
Vesa (mm)300 x 300
WxHxD / weight (w/o stand)43.5" x 25.5" x 2.2" / 31.7lbs
WxHxD / weight (with stand)43.5" x 27.6" x 12.8" / 39.2lbs
WxHxD / weight (Carton)47.1" x 29.9" x 6.4" / 46.3lbs
Stand(±20/45/90°) Swivel
Voltage Hz100 ~ 240V, 50/60Hz
Typical (Watts)57.4
Stand-by (Watts)< 0.5


Simply choose a support option from the icons below:


To access more technical documentation and downloads, please visit the LG B2B Partner Portal.

LG Enhanced Service Plan (ESP)
LG's Enhanced Service Plan protects your investment by offering extended service coverage provided by LG for commercial displays in the hospitality, healthcare, and digital signage markets. By offering this program, you will enjoy the added peace of mind that comes with knowing your products are protected.
Quick Swap (Advanced Exchange)
Minimizes down time of device and quickly gets the device up and running. LG will provide a return box and prepaid return shipping label for customer to return the unit. Service call for Advanced Exchange must be made by 2pm CST.
a. Next Business Day Exchange
b. 2nd Business Day Delivery
White-Glove Quick Swap (Advanced Exchange)
An LG authorized technician will meet you onsite. Technicians will remove, re-install and return product. Service calls for Advanced Exchange delivery must be made by 2pm CST.
a. Next Business Day Exchange
b. 2nd Business Day Delivery

For more information, click here: