LG F90 User Manual

The LG F90 is a high-performance smart television featuring 4K Ultra HD resolution, built-in Wi-Fi connectivity, webOS smart platform, voice control capabilities, multiple HDMI inputs, USB ports, Ethernet connection, and advanced audio technologies. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4K UHD LED panel, Magic Remote, webOS platform, built-in apps, voice assistant, multiple connectivity options.

FeatureDescription
4K Ultra HD Display3840 x 2160 resolution with HDR support
webOS Smart PlatformAccess to streaming apps and services
Magic RemotePoint-and-click navigation with voice control
HDMI Inputs4 HDMI ports for external devices
USB Ports3 USB ports for media playback
Wi-Fi ConnectivityBuilt-in dual-band Wi-Fi
Ethernet PortWired internet connection
Voice ControlGoogle Assistant and Amazon Alexa compatible
Audio OutputDolby Atmos support with 40W output
BluetoothConnect wireless headphones and speakers

Installation

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

  1. Connect antenna or cable: Attach coaxial cable to antenna input.
  2. Connect external devices: Use HDMI ports for gaming consoles, streaming devices.
  3. Connect to internet: Use Wi-Fi or Ethernet cable for smart features.
  4. Plug into AC power using included power cord.

WARNING! TV is heavy; use two people for installation. Ensure wall mount is properly secured.

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Select language: Choose preferred language for interface.
  2. Connect to network: Select Wi-Fi network or connect Ethernet cable.
  3. Sign in to LG account: Create or sign in for personalized experience.
  4. Channel setup: Auto-program channels for antenna/cable input.
  5. Voice assistant setup: Configure Google Assistant or Amazon Alexa.

CAUTION! Keep remote control batteries away from children. Ensure proper ventilation around TV.

Specifications

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, Volume, Channel, Input, Settings.

Picture Settings: Picture mode, Brightness, Contrast, Color, Sharpness, HDR effect, AI picture pro. Audio Settings: Sound mode, Equalizer, AI sound pro, Volume leveling. Network Settings: Wi-Fi, Ethernet, Bluetooth. General Settings: System, Time, Language, Accessibility.

Connecting Devices

Multiple connectivity options for various devices and services.

  1. Gaming consoles: Connect to HDMI 1-4 ports for best performance.
  2. Sound systems: Use HDMI ARC/eARC or optical audio output.
  3. Streaming devices: Connect via HDMI or use built-in apps.
  4. USB storage: Connect external drives for media playback.
  5. Network: Use Wi-Fi or Ethernet for internet connectivity.

Tip: Use HDMI 2.1 ports for gaming consoles to enable 4K 120Hz support.

Smart Features

Access streaming services, apps, and smart home controls.

  1. Home Dashboard: Press Home button to access all apps and inputs.
  2. Streaming Apps: Netflix, YouTube, Amazon Prime Video, Disney+ pre-installed.
  3. Voice Control: Press microphone button for voice commands.
  4. Screen Share: Mirror smartphone or tablet screen wirelessly.
  5. Smart Home: Control compatible smart devices through TV interface.
  6. Sports Alert: Get notifications for favorite teams and games.
  7. Multi-view: Watch multiple sources simultaneously.
  8. Game Optimizer: Automatically optimize settings for gaming.

WARNING! Keep software updated for security and performance improvements.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Voice Guidance: Audio description of on-screen elements. High Contrast: Improved visibility for visually impaired. Audio Description: Additional audio track describing visual elements.

Care & Cleaning

Unplug before cleaning. Use soft, dry microfiber cloth. For stubborn stains, lightly dampen cloth with water.

CAUTION! Do not use chemicals, alcohol, or abrasive cleaners. Never spray liquid directly on screen.

Regulatory Information

FCC Part 15: Class B digital device compliant. Energy Star certified. RoHS compliant. Copyright © 2024 LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. Software updates available through Settings > General > About This TV > Software Update.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord, outletCheck power cord connection; try different outlet; check circuit breaker.
No picture/soundInput source, cablesVerify correct input selected; check cable connections; restart TV.
Wi-Fi not connectingNetwork, passwordCheck router; re-enter password; move closer to router; restart both devices.
Remote not workingBatteries, pairingReplace batteries; pair remote (Home + Back buttons); check for obstructions.
Apps not loadingInternet, updatesCheck internet connection; update app; clear app cache; restart TV.
Poor picture qualitySettings, sourceAdjust picture settings; check source quality; enable HDR if available.

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

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

LG F90 User Manual © - All Rights Reserved 2025