LG 40 Inch TV Manual

The LG 40 Inch TV is a high-definition LED television with Full HD resolution, built-in digital tuner, multiple HDMI inputs, USB connectivity, Smart TV capabilities, webOS platform, Wi-Fi connectivity, built-in speakers with Dolby Audio, voice control features, screen mirroring, and energy-saving modes. Powered by 100-240V AC, 50/60Hz. 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: LED panel with webOS Smart TV platform, Magic Remote Control, multiple HDMI ports, USB connectivity, Ethernet port, Wi-Fi capability, optical audio output.

FeatureDescription
HDMI portsFor connecting gaming consoles, Blu-ray players, and other HD devices
USB portsFor media playback from external storage devices
Ethernet portFor wired internet connection
Wi-FiFor wireless internet connectivity
Optical audio outputFor connection to home theater systems
Component/Composite inputsFor legacy device connections
Voice controlBuilt-in microphone for voice commands
Screen mirroringMiracast and AirPlay 2 compatibility
Magic RemotePoint-and-click navigation with scroll wheel
Energy saving modesMultiple power saving options

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 HDMI devices: Use HDMI ports for high-definition sources.
  3. Connect to internet: Use Ethernet cable or connect to Wi-Fi network.
  4. Connect audio system: Use optical audio output for external speakers.
  5. Plug into AC power.

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 via Ethernet.
  3. Scan for channels: Auto-scan for digital and analog channels.
  4. Sign in to LG account: Create or sign in for Smart TV features.
  5. Configure voice assistant: Set up Google Assistant or Amazon Alexa.
  6. Adjust picture settings: Choose picture mode (Standard, Vivid, Cinema, etc.).

CAUTION! Keep TV away from heat sources and moisture during setup.

Specifications

Controls and Settings

Access settings via Home button or Settings menu. Front Panel: Power button, Input selection, Volume controls.

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

Picture Settings: Picture mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint. Audio Settings: Sound mode, Equalizer, Balance, AV Sync. Network Settings: Wi-Fi, Ethernet, Network test. General Settings: Language, Time, Accessibility, Safety.

Connecting Devices

HDMI: For modern devices. Component/Composite: For older devices. USB: For media playback.

  1. Turn off TV before connecting devices.
  2. Connect HDMI cables to HDMI ports.
  3. Connect older devices using component/composite cables.
  4. Select input source using Input button on remote.
  5. For USB devices, insert into USB port for media playback.

Tip: Use high-speed HDMI cables for best picture quality.

Smart TV Features

Access streaming services, web browsing, and apps through webOS platform.

  1. Home Dashboard: Press Home button to access all features.
  2. LG Content Store: Download additional apps and games.
  3. Streaming Services: Netflix, YouTube, Amazon Prime Video, etc.
  4. Web Browser: Full internet browsing capability.
  5. Screen Share: Mirror smartphone or tablet screen.
  6. Voice Search: Use voice commands to search content.
  7. Live Zoom: Zoom into live TV content.
  8. Multi-view: Watch two sources simultaneously.

WARNING! Keep software updated for optimal performance and security.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Voice Guidance: Audio descriptions for visually impaired. High Contrast: Improved visibility for low vision. Audio Description: Additional audio track describing visual elements.

Care & Cleaning

Unplug before cleaning. Use microfiber cloth for screen; avoid chemicals. For stubborn stains, use screen cleaning solution specifically designed for LCD/LED screens.

CAUTION! Never spray liquid directly on screen. Do not use abrasive materials.

Regulatory Information

FCC Part 15: Class B digital device compliant. Energy Star certified for energy efficiency. RoHS compliant for environmental safety. Copyright © 2024 LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No picturePower/input selectionCheck power connection; ensure correct input selected.
No soundVolume/mute settingsCheck volume level; ensure mute is off; check audio output settings.
Wi-Fi not connectingNetwork issuesRestart router; check password; move closer to router.
Remote not workingBatteries/obstructionsReplace batteries; ensure clear line of sight to TV.
Apps not loadingInternet/softwareCheck internet connection; update software; restart TV.

Reset: Settings > General > Reset to Initial Settings.

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

LG 40 Inch TV Manual © - All Rights Reserved 2025