LG 42LK450 Owner's Manual

The LG 42LK450 is a 42-inch LCD HDTV with 1080p Full HD resolution, built-in digital/analog tuner, multiple HDMI inputs, USB connectivity, Energy Star compliance, Clear Voice technology, Intelligent Sensor for automatic picture adjustment, and various picture modes. Powered by 120V AC, 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. USB Media Playback 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 42-inch LCD panel with Full HD 1080p resolution, Magic Remote compatibility, multiple HDMI inputs, USB port, Component/Composite inputs, digital audio output.

Feature	Description
HDMI Inputs	Multiple HDMI ports for HD devices
USB Port	For media playback from USB storage
Component Input	For HD component video sources
Composite Input	For standard definition video
Digital Audio Output	Optical audio output for home theater
RF Input	For antenna/cable connection
Energy Star Compliant	Energy efficient operation
Intelligent Sensor	Automatically adjusts picture based on room lighting
Clear Voice	Enhances dialogue clarity
Picture Modes	Vivid, Standard, Cinema, Game, Sports

Installation

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

Connect antenna or cable: Attach coaxial cable to RF input.
Connect HD devices: Use HDMI ports for best quality.
Connect audio system: Use digital audio output to home theater.
Connect USB devices: Insert USB drive for media playback.
Plug into AC power.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred language for menus.
Auto tuning: Automatically scans and stores available channels.
Network setup: Configure internet connection if available.
Picture adjustment: Use Intelligent Sensor or manual settings.
Sound setup: Configure audio output and Clear Voice settings.

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

Specifications

Screen Size: 42 inches LCD
Resolution: 1920 x 1080 Full HD
Tuner: ATSC/NTSC/QAM digital/analog
Connectivity: 3 HDMI, 2 USB, Component, Composite, RF
Sound: 10W x 2 speakers, Clear Voice technology
Energy Consumption: Energy Star compliant
Power Source: 120V AC, 60Hz
Dimensions: With stand: 38.2" x 25.6" x 9.8"
Weight: 26.5 lbs (with stand)

Controls and Settings

Access menu via remote or side panel controls. Front Panel: POWER, MENU, VOLUME, CHANNEL, INPUT.

Remote: POWER, Navigation wheel, INPUT, MENU, GUIDE, Q.MENU, Volume/Channel, Number buttons.

Picture Settings: Backlight, Contrast, Brightness, Sharpness, Color, Tint, Color Temperature. Sound Settings: Bass, Treble, Balance, Clear Voice, Sound Mode. Channel Settings: Auto Program, Manual Program, Channel Label. Time Settings: Sleep Timer, Auto Off. Lock Settings: Channel Lock, Input Lock, Rating.

Connecting Devices

Multiple connection options for various devices.

HDMI: Connect Blu-ray players, gaming consoles, streaming devices
Component: Connect older HD devices
Composite: Connect standard definition devices
USB: Connect flash drives for photo/music/video playback
RF: Connect antenna or cable directly

Tip: Use HDMI for best picture quality. Label inputs for easy identification.

USB Media Playback

Supports photos, music, and video files from USB storage.

Insert USB drive into USB port
Select USB input from source menu
Navigate through folders using remote
Select file to play: Use PLAY/PAUSE controls
Photo: Slide show available with transition effects
Music: Playlist creation and shuffle mode
Video: Supports various formats with playback controls

WARNING! Safely eject USB devices from menu before removal.

Accessibility Features

Closed Captions: Digital and analog caption support. Energy Saving: Auto power off, brightness limiter. Child Lock: Channel and input blocking with password protection.

Care & Cleaning

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

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

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No picture	Power/input selection	Check power connection; verify correct input selected
No sound	Volume/mute settings	Check mute; increase volume; verify audio settings
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to IR sensor
Poor picture quality	Signal/settings	Check signal strength; adjust picture settings
USB not recognized	Format/compatibility	Check file format; try different USB device
Channels missing	Signal/scanning	Rescan channels; check antenna connection

Reset: Menu > Settings > Reset to Initial Settings

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