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LG 47LF21 User Manual

LG 47LF21
136 pages
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Please read this manual carefully before operating
your set and retain it for future reference.
The model and serial number of the TV is located
on the back and one side of the TV.
Record it below should you ever need service.
Model:
Serial:
LCD TV
OWNER’S MANUAL
19LH20
22LH20
26LH20
32LH20
37LH20
42LH20
32LH30
37LH30
42LH30
47LH30
32LF11
37LF11
42LF11
47LF11
19LU55
22LU55
26LU55
32CL20
47LF21
P/NO : SAC33601901 (0904-REV03)
www.lgusa.com / www.lg.ca
This product qualifies for ENERGY STAR in the “factory
default (Home Use)” setting.
Changing the factory default settings or enabling other fea-
tures may increase power consumption that could exceed the
limits necessary to quality for ENERGY STAR.
1-800-243-0000 USA, Consumer User
1-888-865-3026 USA, Commercial User
1-888-542-2623 CANADA
LG Customer Information Center

Table of Contents

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LG 47LF21 Specifications

General IconGeneral
Screen Size47 inches
Resolution1920 x 1080
Display TechnologyLCD
Aspect Ratio16:9
Refresh Rate60 Hz
InputsHDMI, Component, Composite, RF, USB
Sound Output20W
Weight25.6 kg

Summary

WARNING / CAUTION

Electric Shock Hazard

Warning about not removing covers and referring to qualified personnel.

Fire and Shock Hazard

Warning to not expose product to rain or moisture.

Cable/TV Installer Note

Grounding guidelines for CATV system installers per National Electric Code.

FCC Notice

Compliance information for Class B digital devices and FCC rules.

Modification Caution

Caution against unauthorized modifications to the product.

SAFETY INSTRUCTIONS

General Safety Guidelines

Instructions to read, heed warnings, clean safely, and avoid heat sources.

Electrical Safety Precautions

Precautions regarding power cords, plugs, and grounding.

Apparatus Usage and Servicing

Using correct accessories and referring servicing to qualified personnel.

SAFETY INSTRUCTIONS (Continued)

Environmental and Electrical Safety

Avoiding storms, moisture, flammable objects, and proper grounding.

Power Cord and Outlet Safety

Cautions on power cord condition, outlet usage, and avoiding damage.

Mains Disconnection Device

Understanding the mains plug as the primary disconnect device.

SAFETY INSTRUCTIONS (Continued)

Antenna Grounding and Installation

Guidelines for outdoor antenna grounding and installation.

Cleaning, Moving, and Panel Care

Safe procedures for cleaning, moving, and protecting the TV panel.

Ventilation, Smoke/Odor Warning, LCD Specifics, Disposal

Ensuring ventilation, responding to smoke, LCD notes, and product disposal.

FEATURE OF THIS TV

Picture and Sound Enhancements

AV Mode, Clear Voice II, SRS TruSurround XT, Dolby Digital features.

HDTV, ISF Calibration, and Burn-in Warning

Explanation of HDTV, ISF calibration, and image burn-in prevention.

PREPARATION

Included and Optional Accessories

Listing of accessories provided with the TV and optional items.

FRONT PANEL INFORMATION

Controls and Indicators for 19/22/26LH20

Identification and function of buttons and indicators on the TV front panel.

FRONT PANEL INFORMATION (Continued)

Controls and Indicators for LF11/LF21/CL20

Identification of front panel controls for different TV models.

FRONT PANEL INFORMATION (Continued)

Controls and Indicators for LU55 Models

Identification of front panel controls for different TV models.

BACK PANEL INFORMATION

Connection Ports for 19/22LH20 Models

Diagrams showing input/output ports on the TV back panel.

BACK PANEL INFORMATION (Continued)

Connection Ports for Other Models

Diagrams showing input/output ports for different TV models.

BACK PANEL PORT DESCRIPTIONS

USB, AV, HDMI/DVI, RGB, OPTICAL, ANTENNA, RS-232C, COMPONENT, Power

Detailed explanation of each port's function and usage.

STAND INSTALLATION (19/22LH20)

Steps for Attaching the TV Stand

Step-by-step guide for attaching the TV stand for specific models.

STAND DETACHMENT AND PROTECTION COVER

Removing Stand and Installing Protection Cover

Instructions for removing the stand and installing a protection cover.

STAND INSTALLATION (LH20/LH30 MODELS)

Steps for Attaching the TV Stand

Guide for installing the stand on specified TV models.

STAND DETACHMENT AND PROTECTION COVER

Removing Stand and Installing Protection Cover

Steps for removing the stand and fitting a protection cover.

STAND INSTALLATION (LF11/LF21/CL20 MODELS)

Steps for Attaching the TV Stand

Guide for installing the stand on specified TV models.

STAND DETACHMENT AND PROTECTION COVER

Removing Stand and Installing Protection Cover

Steps for removing the stand and fitting a protection cover.

STAND INSTALLATION (LU55 MODELS)

Steps for Attaching the TV Stand

Guide for installing the stand on specified TV models.

STAND DETACHMENT AND COVER BASE REMOVAL

Steps for Removing Stand and Cover Base

Steps for removing the stand and cover base on specified models.

VESA WALL MOUNTING GUIDELINES

Specifications and Safety Precautions for Wall Mounting

Information and precautions for mounting the TV using VESA brackets.

CABLE MANAGEMENT (LU55/CL20 MODELS)

Organizing Cables with Holder and Clip

How to organize cables using a cable holder and clip.

CABLE MANAGEMENT (LH20 MODELS)

Using Cable Management Clip and Removal

Instructions for using a cable management clip and its removal.

CABLE MANAGEMENT (LH30 MODELS)

Securing Cables with Management Clip

Steps for securing cables with a management clip and snapping it closed.

DESKTOP PEDESTAL INSTALLATION AND VENTILATION

Installing TV on Desk and Ensuring Ventilation

Installing the TV on a desk and ensuring proper ventilation clearance.

Stand Adjustments: Swivel and Tilt Features

Using the swivel stand and adjusting the tilt range.

SECURING TV TO DESK AND SECURITY SYSTEM

Instructions for Attaching TV to Desk

Instructions for attaching the TV to a desk to prevent tipping.

Kensington Security System Information

Information on the security system connector for anti-theft.

SECURING TV TO WALL WHEN USING STAND

Recommendations for Preventing TV Falls

Recommendations for securing the TV to a wall to prevent falling.

ANTENNA AND CABLE CONNECTION GUIDE

Connecting Antenna and Cable TV Sources

Connecting antennas and cable TV sources to the TV.

EXTERNAL EQUIPMENT SETUP

HD Receiver Setup: Component Connection

Connecting an HD receiver via component video and audio inputs.

EXTERNAL EQUIPMENT SETUP (Continued)

HDMI Connection for Digital Devices

Connecting digital set-top boxes or other devices using HDMI.

EXTERNAL EQUIPMENT SETUP (Continued)

DVI to HDMI Connection for PCs

Connecting PCs with DVI output to the TV's HDMI input.

EXTERNAL EQUIPMENT SETUP (Continued)

DVD Setup: Component Connection

Connecting a DVD player using component video and audio.

EXTERNAL EQUIPMENT SETUP (Continued)

DVD Setup: Composite (RCA) and HDMI Connections

Connecting DVDs via composite RCA or HDMI.

EXTERNAL EQUIPMENT SETUP (Continued)

VCR Setup: Antenna Connection

Connecting a VCR using antenna cable and RF output.

EXTERNAL EQUIPMENT SETUP (Continued)

VCR Setup: Composite (RCA) Connection

Connecting a VCR using composite RCA cables.

EXTERNAL EQUIPMENT SETUP (Continued)

Connecting Other A/V Sources

Connecting camcorders and video game consoles via A/V inputs.

EXTERNAL EQUIPMENT SETUP (Continued)

Audio Out Connection to External Equipment

Sending TV audio to external systems via optical output.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Setup: VGA (D-Sub 15 pin) Connection

Connecting a PC using VGA for video and audio signals.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Setup: DVI to HDMI Connection

Connecting PCs with DVI output to TV's HDMI input.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Input Supported Display Specifications

Recommended resolutions and frequencies for PC input.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Mode Screen Setup: Selecting Resolution

How to choose and adjust screen resolution in PC mode.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Mode Auto Configuration Process

Automatically adjusting picture position and minimizing image instability.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Mode: Adjusting Position, Size, and Phase

Manually adjusting screen position, size, and phase for clarity.

EXTERNAL EQUIPMENT SETUP (Continued)

PC Mode: Screen Reset Function

Resetting PC screen settings to factory defaults.

WATCHING TV / CHANNEL CONTROL

Remote Control Functions Overview

Explains the purpose of each button on the TV remote control.

WATCHING TV / CHANNEL CONTROL (Continued)

Remote Control Functions and Battery Installation

Additional remote functions and how to install batteries.

WATCHING TV / CHANNEL CONTROL (Continued)

Turning On the TV and Basic Operations

Steps to power on the TV, select source, and adjust volume.

INITIAL SETUP GUIDE

Language, Mode, Time, and Auto Tuning Setup

Walkthrough for initial TV setup: language, mode, time, and auto tuning.

ON-SCREEN MENUS SELECTION

Navigating TV Menus with Remote

Guide to accessing and navigating TV menus using the remote.

QUICK MENU FEATURES AND OPERATIONS

Accessing Frequently Used Settings via Quick Menu

Accessing frequently used settings via the Quick Menu.

CHANNEL SETUP: AUTO TUNING PROCEDURE

Automatic Scanning and Storing of TV Channels

Automatically scanning for and storing TV channels.

CHANNEL SETUP: MANUAL TUNING (ADD/DELETE)

Manually Adding, Deleting, and Tuning Channels

Manually adding, deleting, and tuning channels.

CHANNEL SETUP: CHANNEL EDITING PROCESS

Modifying Channel List by Editing or Deleting

Modifying the channel list by editing or deleting channels.

CHANNEL LIST DISPLAY AND NAVIGATION

Displaying and Navigating Through Stored Channels

Displaying and navigating through the stored channel list.

FAVORITE CHANNEL SETUP AND LIST MANAGEMENT

Managing and Accessing Favorite Channels

Managing and accessing favorite channels for quick selection.

BRIEF INFORMATION DISPLAY CONTENT

Showing Details About Current Program and Signal

Showing details about the current program and signal.

INPUT LIST AND SOURCE SELECTION METHODS

Managing and Selecting Available Input Sources

Managing and selecting available input sources for external devices.

INPUT LABEL CUSTOMIZATION OPTIONS

Renaming Input Labels to Identify Devices

Renaming input labels to identify connected devices.

AV MODE: PRESET VIDEO/AUDIO SETTINGS

Toggling Through Preset AV Modes

Toggling through preset AV modes like Cinema, Sport, and Game.

SIMPLE MANUAL FOR TV INFORMATION ACCESS

Accessing TV Information and Guides On-Screen

Accessing TV information and guides directly on the screen.

KEY LOCK FUNCTIONALITY AND OPERATION

Locking Front Panel Controls for Security

Locking front panel controls to prevent unauthorized operation.

SIMPLINK: HDMI DEVICE CONTROL CAPABILITIES

Controlling AV Devices via HDMI Without Cables/Settings

Controlling AV devices via HDMI without extra cables/settings.

SIMPLINK FUNCTIONS AND MENU OPERATIONS

Using SIMPLINK for Direct Play, Device Control, Audio Output

Using SIMPLINK for direct play, device control, and audio output.

PICTURE CONTROL

Picture Size (Aspect Ratio) Adjustment Methods

Selecting and adjusting the picture aspect ratio for various inputs.

ASPECT RATIO OPTIONS EXPLANATION

Details on 16:9, Just Scan, Zoom, and Cinema Zoom

Detailed explanations of 16:9, Just Scan, Zoom, and Cinema Zoom.

PICTURE WIZARD: STEP-BY-STEP CALIBRATION GUIDE

Adjusting Picture Quality Settings

Guided process for adjusting picture quality settings.

PICTURE WIZARD: SHARPNESS, BACKLIGHT, AND SETTING APPLICATION

Adjusting Sharpness, Backlight, and Applying Settings

Adjusting sharpness, backlight, and applying settings to input sources.

PRESET PICTURE MODES SELECTION

Selecting Factory Presets: Vivid, Standard, Cinema, etc.

Selecting factory presets for picture quality (Vivid, Standard, Cinema, etc.).

MANUAL PICTURE ADJUSTMENT (USER MODE)

Fine-Tuning Picture Settings: Backlight, Contrast, Color

Fine-tuning picture settings like backlight, contrast, and color.

ADVANCED PICTURE IMPROVEMENT TECHNOLOGIES

Utilizing Noise Reduction and Color Temperature

Utilizing advanced features like noise reduction and color temperature.

EXPERT PICTURE CONTROL MODES AND OPTIONS

Accessing Expert1 and Expert2 for Detailed Adjustments

Accessing Expert1 and Expert2 modes for detailed picture adjustments.

EXPERT SETTINGS: CONTRAST, COLOR, NOISE REDUCTION, GAMMA

Detailed Explanations of Advanced Picture Settings

Detailed explanations of advanced picture settings.

EXPERT SETTINGS: COLOR GAMUT, WHITE BALANCE, COLOR MANAGEMENT

Detailed Explanations of Advanced Picture Settings

Detailed explanations of advanced picture settings.

ENERGY SAVING FEATURES AND OPTIONS

Adjusting Energy Saving Levels and Screen-Off

Adjusting energy saving levels and screen-off options for power consumption.

PICTURE RESET TO FACTORY DEFAULTS

Resetting All Picture Settings to Original Values

Resetting all picture settings to their original factory values.

POWER INDICATOR LIGHT CUSTOMIZATION

Customizing TV Power and Standby Indicator Lights

Customizing the TV's power and standby indicator lights.

DEMO MODE ACTIVATION AND OPERATION

Activating Demo Mode to Showcase TV Features

Activating the demo mode to showcase TV features.

SOUND & LANGUAGE CONTROL

Auto Volume Leveler (Auto Volume) Functionality

Maintaining consistent volume levels across different programs.

SOUND & LANGUAGE CONTROL (Continued)

Clear Voice II Sound Enhancement Feature Details

Improving the clarity of human voices in the audio output.

SOUND & LANGUAGE CONTROL (Continued)

Preset Sound Modes Selection (Sound Mode)

Selecting preset sound modes like Standard, Music, and Cinema.

SOUND & LANGUAGE CONTROL (Continued)

Manual Sound Adjustment (User Mode) and SRS TruSurround XT

Manually adjusting sound settings and using SRS TruSurround XT.

SOUND & LANGUAGE CONTROL (Continued)

Speaker Balance Adjustment Method

Adjusting the balance between the left and right speakers.

SOUND & LANGUAGE CONTROL (Continued)

TV Speaker On/Off Control Options

Enabling or disabling the TV's internal speakers for external audio use.

SOUND & LANGUAGE CONTROL (Continued)

Audio Reset to Factory Settings Procedure

Resetting all sound settings to their default factory values.

SOUND & LANGUAGE CONTROL (Continued)

Stereo/SAP and Multi Audio Selection Methods

Selecting audio types for analog and digital broadcasts.

SOUND & LANGUAGE CONTROL (Continued)

Audio Language Selection for Digital Broadcasts

Changing the audio language for digital TV channels.

SOUND & LANGUAGE CONTROL (Continued)

On-Screen Menu Language Selection Process

Changing the display language for the TV's on-screen menus.

SOUND & LANGUAGE CONTROL (Continued)

Caption Mode: Analog Broadcasts Setup

Setting up caption display for analog TV channels.

SOUND & LANGUAGE CONTROL (Continued)

Caption Mode: Digital Broadcasts Language Selection

Selecting languages for digital TV captions.

SOUND & LANGUAGE CONTROL (Continued)

Caption Mode: Customizing Appearance Options

Customizing caption size, font, color, and background.

TIME SETTING

Clock Setting: Automatic Setup Procedure

Automatically setting the clock using digital channel signal information.

TIME SETTING (Continued)

Clock Setting: Manual Setup Procedure

Manually adjusting the clock when automatic setting is inaccurate.

TIME SETTING (Continued)

Auto On/Off Time Setting Functionality

Scheduling automatic power on and off times for the TV.

TIME SETTING (Continued)

Sleep Timer Functionality

Setting the TV to automatically turn off after a specified duration.

PARENTAL CONTROL / RATINGS

Setting Up Parental Controls: Password Creation

Establishing a password to access and manage parental controls.

PARENTAL CONTROL / RATINGS (Continued)

Lock System Activation and Management Options

Enabling or disabling the parental control lock system.

PARENTAL CONTROL / RATINGS (Continued)

Password Management: Changing the Password

Procedure for changing the existing parental control password.

PARENTAL CONTROL / RATINGS (Continued)

Channel Blocking Functionality Explained

Blocking specific channels from being viewed.

PARENTAL CONTROL / RATINGS (Continued)

Movie Rating (MPAA) Control (USA)

Setting movie rating limits for content access.

PARENTAL CONTROL / RATINGS (Continued)

TV Rating (Children) Control (USA)

Blocking children's programs based on age or fantasy violence.

PARENTAL CONTROL / RATINGS (Continued)

TV Rating (General) Control (USA)

Blocking general TV programs based on various rating categories.

PARENTAL CONTROL / RATINGS (Continued)

TV Rating (English - Canada) Control Settings

Selecting Canadian English rating system categories for blocking.

PARENTAL CONTROL / RATINGS (Continued)

TV Rating (French - Canada) Control Settings

Selecting Canadian French rating system categories for blocking.

PARENTAL CONTROL / RATINGS (Continued)

Downloadable Rating Control Options

Blocking content based on downloadable rating information.

PARENTAL CONTROL / RATINGS (Continued)

External Input Blocking Functionality

Blocking specific input sources to prevent access.

APPENDIX

Troubleshooting: Remote and Power Issues

Solutions for remote control and power-related problems.

Troubleshooting: Video and Picture Issues

Solutions for problems like no picture, poor color, or picture shaking.

APPENDIX (Continued)

Troubleshooting: Audio and PC Mode Issues

Solutions for audio problems and PC connection issues.

APPENDIX (Continued)

Maintenance Procedures: Cleaning and Extended Absence

Procedures for cleaning the TV and precautions for long periods of non-use.

APPENDIX (Continued)

Product Specifications: LH20 Series Models

Technical details and dimensions for LH20 series models.

APPENDIX (Continued)

Product Specifications: LH30 Series Models

Technical details and dimensions for LH30 series models.

APPENDIX (Continued)

Product Specifications: LU55/CL20 Series Models

Technical details and dimensions for LU55/CL20 series models.

APPENDIX (Continued)

Product Specifications: LF11/LF21 Series Models

Technical details and dimensions for LF11/LF21 series models.

APPENDIX (Continued)

IR Codes Reference List

List of infrared (IR) codes for remote control functions.

APPENDIX (Continued)

External Control via RS-232C: Setup and Parameters

Instructions for RS-232C connection, pinout, and communication parameters.

APPENDIX (Continued)

RS-232C Configurations and Set ID Settings

Details on RS-232C cable configurations and setting TV ID numbers.

APPENDIX (Continued)

Command Reference List: Overview and Basic Commands

Comprehensive list of commands and their data formats.

APPENDIX (Continued)

Command Reference: Power, Input, Aspect Ratio, Volume, Color, Tint

Detailed command descriptions for basic TV functions.

APPENDIX (Continued)

APPENDIX (Continued)

Command Reference: Channel Add/Del, Key, Backlight Commands

Command details for channel management, remote control codes, and backlight.

APPENDIX (Continued)

Software Licenses: GNU General Public License

Terms and conditions for the GNU General Public License.

APPENDIX (Continued)

Software Licenses: GNU Lesser General Public License

Terms and conditions for the GNU Lesser General Public License.

APPENDIX (Continued)

Software Licenses: Mozilla Public License

Terms and conditions for the Mozilla Public License.

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