LG 79UX340C Manual

The LG 79UX340C is a 79-inch 4K Ultra HD Smart TV with webOS platform, AI ThinQ technology, HDR10 Pro, HLG Pro, built-in Wi-Fi, Magic Remote support, multiple HDMI inputs, USB ports, Bluetooth connectivity, voice control capabilities, and advanced picture processing. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 79-inch 4K UHD Display, webOS Smart Platform, Magic Remote, Multiple HDMI 2.1 ports, USB ports, Ethernet port, Optical audio output, Built-in speakers with AI Sound Pro.

Feature	Description
4K Resolution	3840 x 2160 pixels with HDR10 Pro and HLG Pro
webOS Platform	Smart TV interface with app store and streaming services
Magic Remote	Point, click, scroll and voice control functionality
HDMI 2.1 Ports	4 HDMI inputs with eARC support
USB Ports	3 USB ports for media playback and recording
AI ThinQ	Voice control and smart home integration
Wi-Fi & Bluetooth	Wireless connectivity for streaming and peripherals
Game Optimizer	Enhanced gaming features with low input lag
FILMMAKER MODE	Preserves original content intent
α7 Gen6 AI Processor	4K AI upscaling and picture optimization

Installation

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

1. Connect antenna or cable/satellite: Use RF input for antenna connection.
2. Connect external devices: Use HDMI ports for gaming consoles, streaming devices, etc.
3. Connect to network: Use Ethernet port or built-in Wi-Fi for internet connection.
4. Plug into AC power using included power cord.
5. Attach stand if using tabletop installation.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

1. Select language and region: Choose preferred language and country settings.
2. Connect to network: Select Wi-Fi network or connect Ethernet cable.
3. Sign in to LG account: Create or sign in to access premium features.
4. Channel setup: Auto-program channels for antenna/cable input.
5. Voice recognition setup: Configure Google Assistant or Amazon Alexa.
6. Agree to terms and conditions: Review and accept privacy policies.

CAUTION! Ensure stable surface; professional installation recommended for wall mounting.

Specifications

• Screen Size: 79 inches UHD
• Resolution: 3840 x 2160 (4K)
• HDR: HDR10 Pro, HLG Pro
• Processor: α7 Gen6 AI Processor 4K
• Smart Platform: webOS 23
• Audio: 2.2CH 40W, AI Sound Pro, Dolby Atmos
• Connectivity: Wi-Fi 5, Bluetooth 5.0, 4x HDMI 2.1, 3x USB, Ethernet, Optical Audio
• Voice Control: Google Assistant, Amazon Alexa built-in
• Power Consumption: 180W typical, 0.3W standby
• Operating System: webOS

Controls and Settings

Access settings via Home button on Magic Remote or physical buttons on TV.

Magic Remote: Power, Home, Navigation wheel, Voice control, Number buttons, Quick access buttons, Settings.

Picture Settings: Picture Mode, Brightness, Contrast, Sharpness, Color, Tint, Backlight, Local Dimming, Color Gamut, Gamma.

Sound Settings: Sound Mode, Equalizer, AI Sound Pro, Balance, AV Sync, Digital Sound Output.

Network Settings: Wi-Fi, Ethernet, Network Status, LG Connect Apps.

General Settings: Language, Time, Safety, Accessibility, Additional Settings.

Connecting Devices

Multiple connectivity options for various devices and peripherals.

1. Gaming Consoles: Connect to HDMI 1-4 ports for 4K 120Hz gaming.
2. Soundbar/Home Theater: Use HDMI eARC or optical audio output.
3. Streaming Devices: Connect via HDMI or use built-in apps.
4. PC/Laptop: Use HDMI for display mirroring or extended desktop.
5. USB Storage: Connect external drives for media playback.
6. Network: Use Ethernet for stable connection or Wi-Fi for convenience.

Tip: Enable Game Optimizer for gaming devices and eARC for audio systems.

Smart Features

webOS platform with extensive smart capabilities.

1. Home Dashboard: Centralized control of connected devices and settings.
2. Content Store: Download additional apps and games.
3. Magic Explorer: Discover content with intuitive search.
4. Sports Alert: Get notifications for favorite teams and games.
5. Multi-view: Watch multiple sources simultaneously.
6. Screen Share: Mirror mobile devices wirelessly.
7. Voice Control: Use Magic Remote for voice commands.
8. AI Recommendation: Personalized content suggestions.
9. Smart Home Control: Manage compatible smart devices.

WARNING! Keep software updated for optimal performance and security.

Accessibility Features

Comprehensive accessibility options for all users.

Closed Captions: Multiple caption styles and customization options.

Voice Guidance: Audio descriptions for on-screen elements.

High Contrast: Enhanced visibility for visually impaired users.

Audio Description: Narration for visual content.

Shortcuts: Quick access to frequently used accessibility features.

Care & Cleaning

Proper maintenance for optimal performance and longevity.

Unplug before cleaning. Use microfiber cloth for screen; avoid chemicals and abrasive materials.

For stubborn stains, use distilled water slightly dampened cloth.

CAUTION! Never spray liquids directly on screen. Avoid extreme temperatures and humidity.

Regulatory Information

FCC Compliance: Class B digital device compliant with Part 15 of FCC rules.

Energy Star: Meets ENERGY STAR® guidelines for energy efficiency.

Copyright © 2024 LG Electronics Inc. All rights reserved.

For support: Visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord, outlet issue	Check power connection; try different outlet; ensure power button is on.
No picture/sound	Input selection, connections	Verify correct input source; check cable connections; adjust volume.
Wi-Fi connection issues	Network settings, signal strength	Restart router; check network password; move closer to router.
Remote not working	Batteries, pairing, obstacles	Replace batteries; pair Magic Remote; ensure line of sight to TV.
Picture quality issues	Settings, signal quality	Adjust picture settings; check source quality; update software.
Audio problems	Settings, connections	Check audio settings; verify cable connections; test different content.
App issues	Internet, app updates	Check internet connection; update apps; clear app cache.

Reset: Settings > General > Reset to Initial Settings if problems persist.

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