LG Electronics 20M37D-B Manual

The LG Electronics 20M37D-B is a 20-inch LED TV with HD resolution, built-in digital tuner, multiple connectivity options including HDMI, USB, component and composite inputs, headphone jack, remote control, energy saving features, picture and sound adjustments. 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. USB Media Playback 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LED panel with HD resolution, Remote Control, Antenna connector, HDMI ports, USB port, Component inputs, Headphone jack, AV input jacks.

FeatureDescription
Antenna connectorFor digital/analog TV signal reception
HDMI portsFor high-definition video and audio connection
USB portFor media playback from USB devices
Component inputsFor component video connection
Headphone jackFor private audio listening
AC input connectorFor power connection
AV input jacksComposite video and L/R audio inputs
POWERTurns TV on/standby
INPUTSelects input source
VOLUMEAdjusts sound level

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect antenna: Attach antenna cable to antenna input connector.
  2. Connect external devices: Use HDMI, component, or composite inputs as needed.
  3. Connect USB devices: Use USB port for media playback.
  4. Plug into AC power outlet.

WARNING! TV is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Select language: Choose preferred language for menu system.
  2. Auto tuning: Automatically searches and stores available channels.
  3. Network setup: Configure network settings if available.
  4. Picture settings: Adjust brightness, contrast, color, and sharpness.
  5. Sound settings: Set audio preferences and volume levels.

CAUTION! Ensure stable surface; use two people for handling.

Specifications

Controls and Settings

Access menu system via remote control or side buttons. Front/Side Panel: POWER, INPUT, VOLUME, MENU.

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

Picture Settings: Brightness, Contrast, Color, Sharpness, Backlight, Color Temperature. Sound Settings: Equalizer, Balance, Auto Volume. Channel Settings: Auto tuning, Manual tuning, Channel edit. Time Settings: Sleep timer, Auto power off. Eco Settings: Energy saving mode.

Connecting Devices

Multiple connectivity options: HDMI, Component, Composite, USB.

  1. Turn off TV and external devices before connecting.
  2. Use appropriate cables for each connection type.
  3. Select input source using INPUT button on remote.
  4. Configure device settings if necessary.

Tip: Use HDMI connection for best picture and sound quality.

USB Media Playback

Supports various media formats via USB connection.

  1. Insert USB device into USB port.
  2. Select USB input source.
  3. Navigate through files using remote control.
  4. Play supported media files (photos, music, videos).
  5. Use navigation buttons for file selection and playback control.

WARNING! Safely remove USB device to prevent data loss.

Accessibility Features

Closed Captions: Digital and analog caption support. Audio Description: For visually impaired users. Energy Saving: Multiple power saving modes. Parental Controls: Channel and content restrictions.

Care & Cleaning

Unplug TV before cleaning. Use soft, dry cloth for screen cleaning. For stubborn stains, use cloth slightly dampened with water.

CAUTION! Do not use chemicals or abrasive cleaners. Avoid liquid contact with screen.

Regulatory Information

FCC compliance: Class B digital device. Energy Star compliant. RoHS compliant. Copyright © LG Electronics. For support, visit www.lg.com or contact LG customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/outletCheck power connection; try different outlet.
No pictureInput source/cablesVerify input selection; check cable connections.
No soundVolume/mute settingsCheck volume level; ensure mute is off.
Remote not workingBatteries/obstaclesReplace batteries; ensure clear path to sensor.
Poor receptionAntenna/signalCheck antenna connection; rescan channels.

Reset: Menu > Settings > Reset to factory defaults if needed.

Service: Contact LG customer support or authorized service center.

LG Electronics 20M37D-B Manual © - All Rights Reserved 2025