LG 42LC7D User Manual

The LG 42LC7D is a 42-inch LCD HDTV with 1080p resolution, built-in ATSC/NTSC/QAM tuners, integrated digital signal processing, HDMI inputs, component video inputs, PC input, USB port, built-in speakers, remote control, on-screen display menu, picture-in-picture capability, sleep timer, and various picture/audio enhancement features. 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. Advanced Features 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 Control, HDMI inputs, USB port, Component video inputs, PC input, Digital audio output.

FeatureDescription
HDMI inputsFor high-definition digital audio/video connection
Component video inputsFor high-quality analog video connection
PC input (D-Sub)For computer video connection
USB portFor multimedia file playback
Digital audio outputFor external audio system connection
Antenna/cable inputFor TV signal reception
Power buttonTurns TV on/off
Input selectSwitches between input sources
Volume controlsAdjusts audio level
Menu buttonAccesses on-screen display menu

Installation

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

  1. Connect antenna or cable/satellite: Attach coaxial cable to antenna input connector.
  2. Connect HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles, streaming devices.
  3. Connect component devices: Use component video inputs for older HD devices.
  4. Connect PC: Use PC input and audio input for computer connection.
  5. Plug into AC power outlet.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Auto channel scan: Press INPUT to set to TV, use menu to auto-scan for digital and analog channels.
  2. Set language: In SETTINGS menu, select preferred language (default: ENGLISH).
  3. Adjust picture settings: Use PICTURE menu for brightness, contrast, color, sharpness adjustments.
  4. Configure audio: Use SOUND menu for volume, balance, and sound mode settings.
  5. Set up inputs: Label connected devices for easy identification.

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

Specifications

Controls and Settings

Access OSD via MENU button. Front Panel: POWER, INPUT, VOLUME UP/DOWN, MENU.

Remote: POWER, Numeric buttons, INPUT, VOLUME, MUTE, CHANNEL, MENU, GUIDE, EXIT, Navigation arrows.

Picture: BRIGHTNESS, CONTRAST, COLOR, SHARPNESS, Backlight, Color Temperature, Advanced Color Management. Audio: SOUND MODE (Standard, Music, Cinema, Sports, Game), Equalizer, Auto Volume. Settings: Language, Time, Channel Setup, Parental Controls, Lock System. Advanced: Energy Saving, Eye Comfort, Reset to Initial Settings.

Connecting Devices

HDMI: For digital HD devices. Component: For analog HD devices. PC: VGA input with audio.

  1. Turn off TV and devices before connecting.
  2. Use high-quality HDMI cables for best performance.
  3. Select input via INPUT button (TV, HDMI1, HDMI2, HDMI3, Component, PC).
  4. For PC connection, set computer resolution to 1920x1080 for optimal display.

Tip: Use the Input Label feature to rename inputs for easy identification.

Advanced Features

Picture-in-Picture: Watch two sources simultaneously.

  1. Activate PIP: Press PIP button on remote.
  2. Select secondary source: Use PIP SOURCE button.
  3. Swap sources: Press SWAP to exchange main and PIP sources.
  4. Move PIP: Use arrow buttons to reposition PIP window.
  5. Adjust PIP size: Use SIZE button to change PIP window dimensions.

USB Media Playback: Insert USB drive to play photos, music, and video files.

Game Mode: Reduces input lag for better gaming experience.

Accessibility Features

Closed Captions: Enable in SETTINGS menu (Digital CC, Analog CC). Audio Description: For visually impaired viewers. Parental Controls: Block channels and programs by rating (default password 0000).

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 LCD panel.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2007 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/power buttonCheck power connection; ensure power button is pressed; try different outlet.
No pictureInput selection/cablesVerify correct input selected; check cable connections; ensure source is powered on.
No soundMute/volume settingsCheck mute status; increase volume; verify audio cables are connected properly.
Poor picture qualitySignal/settingsCheck signal strength; adjust picture settings; ensure proper resolution settings.
Remote not workingBatteries/obstaclesReplace batteries; ensure clear path to IR sensor; check for interference.

Reset: Menu > Settings > Reset to Initial Settings if experiencing persistent issues.

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

LG 42LC7D User Manual © - All Rights Reserved 2025