LG 55UF6450 Ultra HDTV Manual

The LG 55UF6450 is a 55-inch Ultra HD LED TV with 4K resolution (3840x2160), built-in digital tuner, webOS Smart TV platform, triple XD Engine, Magic Remote compatibility, multiple HDMI inputs, USB connectivity, Wi-Fi built-in, HEVC decoding, and Energy Star certification. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Smart TV Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 55-inch 4K UHD LED panel, webOS Smart TV platform, Magic Remote, multiple HDMI inputs, USB ports, built-in Wi-Fi.

Feature	Description
Screen Size	55-inch Ultra HD LED Display
Resolution	3840 x 2160 (4K UHD)
Smart TV	webOS platform with app store
Magic Remote	Point, click, scroll, and voice control
HDMI Inputs	3 x HDMI ports (HDCP 2.2 compatible)
USB Ports	2 x USB 2.0 ports
Wi-Fi	Built-in 802.11ac Wi-Fi
Audio	20W output with Clear Voice II
Energy Rating	Energy Star certified
Processor	Triple XD Engine

Installation

Unpack and inspect contents. Place on stable surface or mount on wall.

Connect antenna or cable/satellite: Attach coaxial cable to ANT/CABLE input.
Connect external devices: Use HDMI ports for Blu-ray players, gaming consoles, etc.
Connect to network: Use Ethernet port or built-in Wi-Fi for internet connection.
Plug into AC power outlet.
Attach stand if using tabletop installation.

WARNING! TV is large and heavy; use two people for handling and installation. Ensure wall mount is rated for TV weight.

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred language for menus and guides.
Connect to network: Select Wi-Fi network or connect Ethernet cable.
Channel setup: Auto-program digital and analog channels.
LG account: Create or sign in to LG account for Smart TV features.
Picture settings: Configure picture mode (Standard, Vivid, Cinema, etc.).
Sound settings: Set up audio preferences and output.

CAUTION! Ensure proper ventilation around TV; do not block vents.

Specifications

Screen Size: 55 inches LED
Resolution: 3840 x 2160 (4K Ultra HD)
Smart TV Platform: webOS with LG Content Store
Processor: Triple XD Engine
Connectivity: 3 x HDMI, 2 x USB, Ethernet, Wi-Fi, Component, Composite
Audio: 20W (10W x 2) with Clear Voice II
Energy Consumption: Energy Star certified
Power Source: 120V AC, 60Hz
Operating Temperature: 32°F to 104°F (0°C to 40°C)

Controls and Settings

Access settings via Home button on Magic Remote or Settings menu.

Magic Remote: Power, Home, Navigation wheel, Volume, Channel, Voice recognition, Quick access buttons.

Picture Settings: Picture mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint, Color Temperature, Advanced settings.

Sound Settings: Sound mode, Volume, Balance, Equalizer, Sound output, Clear Voice II.

Network Settings: Wi-Fi setup, Network test, IP settings.

General Settings: Language, Time, Safety, Reset options.

Connecting Devices

Multiple connectivity options for various devices and peripherals.

HDMI devices: Connect Blu-ray players, gaming consoles, streaming devices to HDMI ports.
USB devices: Connect external storage for media playback or recording.
Network: Connect via Wi-Fi or Ethernet for Smart TV features.
Audio: Connect soundbar or home theater system via optical audio out.
Antenna/Cable: Connect coaxial cable for live TV.

Tip: Use HDMI 1 port for ARC (Audio Return Channel) compatible audio systems.

Smart TV Features

webOS platform provides access to streaming services and apps.

Home Dashboard: Access all connected devices and inputs.
LG Content Store: Download apps like Netflix, YouTube, Amazon Prime Video.
Live TV: Watch broadcast channels with electronic program guide.
Screen Share: Mirror content from compatible mobile devices.
Voice Control: Use Magic Remote for voice commands and search.
Web Browser: Built-in browser for internet access.
Media Player: Play photos, music, and videos from USB devices.

Note: Some features require internet connection and LG account.

Accessibility Features

Closed Captions: Enable in Accessibility menu. Voice Guidance: Audio descriptions for visually impaired. High Contrast: Enhanced visibility for low vision users.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water. Do not use chemicals or abrasive materials.

CAUTION! Never spray liquids directly on screen. Avoid pressure on screen surface.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No picture	Power/input selection	Check power connection; ensure correct input selected; try different HDMI port.
No sound	Volume/mute settings	Check volume level; ensure not muted; verify audio output settings.
Wi-Fi not connecting	Network issues	Check router; re-enter password; move TV closer to router.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear line of sight to TV sensor.
Apps not loading	Internet connection	Check network connection; restart TV; update software.

Reset: Settings > General > Reset to Initial Settings if needed.

Service: 1-800-243-0000; www.lg.com