LG 75UH8550 Manual PDF

The LG 75UH8550 is a 75-inch 4K Ultra HD Smart LED TV with webOS 3.0, HDR Pro, Ultra Luminance, Tru-ULTRA HD Engine Pro, Magic Remote compatibility, built-in Wi-Fi, HDMI inputs, USB ports, and advanced audio features. 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: 75-inch 4K UHD LED display, Magic Remote, webOS 3.0 platform, HDR Pro, multiple HDMI inputs, USB ports, built-in Wi-Fi.

Feature	Description
Screen Size	75-inch 4K Ultra HD LED
Resolution	3840 x 2160 pixels
Smart Platform	webOS 3.0 with Magic Remote
HDR Technology	HDR Pro with Ultra Luminance
Connectivity	4x HDMI, 3x USB, Ethernet, Wi-Fi
Audio	Dolby Digital, Clear Voice Pro
Power Input	AC 120V, 60Hz
Magic Remote	Point, click, scroll, voice control
3D Capability	Passive 3D (with compatible content)
Wall Mount	VESA 400x400 compatible

Installation

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

Connect antenna or cable/satellite: Use coaxial input for TV signal.
Connect external devices: Use HDMI ports for gaming consoles, Blu-ray players, etc.
Connect to network: Use Ethernet cable or built-in Wi-Fi for Smart TV features.
Plug into AC power outlet.
Attach stand or mount to wall using VESA 400x400 pattern.

WARNING! TV is very heavy; use two people for handling and installation. Ensure wall mount can support weight.

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred language for interface.
Connect to network: Select Wi-Fi network or connect Ethernet cable.
Channel setup: Auto-program channels for antenna/cable input.
LG account: Create or sign in to LG account for Smart TV services.
Magic Remote pairing: Follow on-screen instructions to pair Magic Remote.
Picture settings: Configure picture mode (Standard, Vivid, Cinema, etc.).

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

Specifications

Screen Size: 75 inches LED
Resolution: 3840 x 2160 (4K Ultra HD)
HDR: HDR Pro with Ultra Luminance
Smart Platform: webOS 3.0
Processor: Tru-ULTRA HD Engine Pro
Connectivity: 4x HDMI, 3x USB, Ethernet, Wi-Fi, Bluetooth
Audio: 20W (10W x 2), Dolby Digital, Clear Voice Pro
3D: Passive 3D (glasses sold separately)
Power Consumption: 180W (typical)
Dimensions: With Stand: 66.1" x 42.5" x 12.4"

Controls and Settings

Access settings via Magic Remote or physical buttons. Front Panel: Power button, Input selection.

Magic Remote: Power, Navigation wheel, Home, Settings, Voice control, Number buttons, Volume, Channel, Input.

Picture Settings: Picture Mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint, Color Temperature, Advanced settings. Audio Settings: Sound Mode, Equalizer, Balance, AV Sync, Sound Output. Network: Wi-Fi, Ethernet, Network Test. General: Language, Time, Safety, Reset.

Connecting Devices

HDMI: Connect gaming consoles, Blu-ray players, streaming devices. USB: Connect storage devices for media playback. Network: Ethernet or Wi-Fi for Smart TV features.

Turn off TV and devices before connecting.
Use high-speed HDMI cables for 4K content.
Select input via INPUT button (HDMI 1-4, TV, Component, etc.).
For audio systems: Use optical audio output or ARC (Audio Return Channel).

Tip: Use HDMI 2.0 cables for optimal 4K HDR performance.

Smart TV Features

webOS 3.0 platform with app store, streaming services, and Magic Remote navigation.

Home Dashboard: Press HOME button to access apps and settings.
Content Store: Download additional apps and games.
Live Plus: Access additional information while watching TV.
Magic Mobile Connection: Connect smartphone to TV.
Screen Share: Mirror mobile device screen to TV.
Voice Control: Use Magic Remote for voice commands.
Web Browser: Built-in browser for internet access.

Note: Internet connection required for Smart TV features. Some services may require subscription.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Audio Description: For visually impaired. Voice Guidance: Audio feedback for menu navigation. High Contrast: Enhanced visibility for menus.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; slightly damp cloth for cabinet. 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 power	Power cord, outlet	Check power connection; try different outlet; ensure power button is on.
No picture/sound	Input selection, cables	Check input source; verify cable connections; test with different device.
Poor picture quality	Settings, signal	Adjust picture settings; check signal source quality; use 4K content.
Wi-Fi not connecting	Network, settings	Check router; re-enter password; move router closer; use Ethernet.
Remote not working	Batteries, pairing	Replace batteries; re-pair Magic Remote; ensure line of sight.
Apps not loading	Internet, updates	Check internet connection; update webOS; reset app.

Reset: Settings > General > Reset to Initial Settings

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