LG 55in UM73 Series 4K UHD HDR LED Smart TV

MX76462 55in UM73 Series 4K UHD HDR LED Smart TV
MX76462 55in UM73 Series 4K UHD HDR LED Smart TV MX76462 55in UM73 Series 4K UHD HDR LED Smart TV MX76462 55in UM73 Series 4K UHD HDR LED Smart TV MX76462 55in UM73 Series 4K UHD HDR LED Smart TV

Product Info

55 inch Class 4K Smart UHD TV w/ AI ThinQ®

LG UHD TV Delivers Vivid Color in 4K
Discover vivid color in a 4K UHD TV screen that provides four times the resolution of Full HD. Complete with picture-enhancing quad-core processor and support for 4K Active HDR formats.

  • 4K Ultra HD (3,840 x 2,160) IPS panel
  • LG ThinQ® AI technology
  • Quad Core Processor
  • webOS™ Operating System
  • 4K Active HDR (HDR10, HLG) compatible
  • Built-in Wi-Fi & Ethernet connectivity


More Realistic 4K TV Images with IPS 4K TV Display

The IPS 4K TV panel's wide viewing angle keeps you enthralled with spectacular realism - displaying almost 100% color accuracy, even from a 60-degree angle.


4K Active HDR Brings Action to Life

Discover 4K resolution in your premium content choices, all optimized with Active HDR's scene-by-scene picture adjustment. The multi-format 4K high dynamic range supports HDR10 and HLG, both with LG's advanced tone mapping technology that further optimize each scene.

Bring Out the Beauty in Every Scene

The hard-working quad-core processor improves images, action and color, reducing distracting video noise and motion blur, enhancing sharpness and portraying accurate colors.

There's Power in Your Voice

LG ThinQ® AI uses intelligent voice control to create a smart TV platform where you can enjoy many features using just your voice. Go beyond basic control and search to open, navigate select apps and premium services with the help of the LG Magic Remote.

The World's Most Intelligent TVs

LG AI TVs are the first with the Google Assistant* and Alexa** built in, using LG ThinQ AI technology to become the center for your smart home.

* Service limited to certain languages. Some features require 3rd party service subscriptions. **Available via firmware update later in 2019.


Design Meets Entertainment

LG TVs are designed to be the centerpiece of any home theater. LG UHD TVs look great with a slim bezel, while sleek modern lines add a premium design aesthetic to your space and enhance your viewing experience.

Elevating the Art of Sound

Virtual surround sound creates a more immersive entertainment experience. Hear subtle dialogue and sophisticated soundtracks through virtual audio channels.

Simply Smart

webOS™ 4.5 is a simple Smart operating system to use with our Magic Remote and refined launcher bar. Enjoy many of the features using just our intelligent voice recognition, quickly get to the apps you want, zoom in and record what's on your screen, connect to any Bluetooth device and even use your TV as a music player.


Product 55in Class 4K Ultra HD Smart TV w/ HDR
Part Number 55UM73
Screen Size 55" (54.6" diagonal)
Resolution 4K Ultra HD (3,840 x 2,160)
Display Type IPS
Video Quad Core Processor
4K Active HDR
Dolby Vision™
HDR Dynamic Tone Mapping
TruMotion 120 (Native 60Hz)
Wide viewing angle
4K Upscaler
Advanced Color Enhancer
True Color Accuracy
Audio 2.0 Channel
20W output
DTS Decoder
LG Sound Sync
Audio Codec N/A
Smart TV LG AI ThinQ®
Alexa built-in
Google Assistant
webOS 4.5
Magic Remote Control
Full Web Browsing
Intelligent Voice Recognition
Universal Control Compatibility
Content Store
HDMI Ports 3 (1 rear, 2 side)
USB Ports 2 (1 rear, 1 side)
Composite Port 1 x Composite In
Digital Audio Port 1 audio out
LAN Port 1 Ethernet input
Wi-Fi Wi-Fi Certified 802.11ac
Bluetooth Yes, v5.0
VESA Wall Mount 300 x 300 mm
Optional VESA Wall Mount not included
Power Input: AC120V, 50 / 60Hz
Power Consumption Standby Mode: 0.5W
Dimensions (WxHxD) Without stand: 49" x 28.6" x 3.4"
With stand: 49" x 30.9" x 9.1"
Weight Without stand: 30.9 lbs.
With stand: 31.3 lbs.

Package Contents

  • LG UM73 55in 4K UHD Smart TV (55UM73)
  • LG Magic Remote Control w/ Battery
  • Power Cable
  • Quick Start Guide
  • E-Manual