Janome J3-20 Instruction Manual

The Janome J3-20 is a 20-inch LCD display with integrated media player, built-in tuner, multiple input options including HDMI, VGA, and composite video, headphone jack, remote control, on-screen display settings, sleep timer, and picture/audio 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. Media Player Operation 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD panel with integrated media player, Remote Control, HDMI connector, VGA INPUT, Headphone jack, Composite video inputs.

FeatureDescription
HDMI connectorFor high-definition video and audio input
VGA INPUT (PC input) portFor computer video connection
VGA INPUT AUDIO jackFor PC audio input
Headphone jackFor private audio listening
AC input connectorFor power connection
Composite video inputsStandard video and L/R audio inputs
POWERTurns display on/off
MENUAccesses on-screen display settings
INPUTSelects between input sources
VOLUMEAdjusts audio level

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect antenna or cable: Attach cable to antenna connector.
  2. Connect video sources: Use HDMI for digital video; composite for standard video.
  3. Connect PC: Use VGA port and audio jack.
  4. Plug into AC power.

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

First-Time Setup

Power on display; follow on-screen prompts.

  1. Program channels automatically: Use menu to auto-program channels.
  2. Set language: In SETUP menu, select preferred language.
  3. Adjust picture/audio: Use MENU for brightness, contrast, etc.
  4. For media player: Configure display and audio options in settings.

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

Specifications

Controls and Settings

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

Remote: POWER, Numeric buttons, MENU, INPUT, VOLUME, MUTE, navigation buttons.

Picture: BRIGHTNESS, CONTRAST, COLOR, SHARPNESS, backlight, color temperature. Audio: Balance, treble, bass. Setup: Language, auto-program channels, sleep timer. Media: File browser, playback options, repeat modes.

Connecting Devices

HDMI: Digital audio/video input. Composite: Standard video input. PC: VGA + audio.

  1. Turn off display and devices before connecting.
  2. Match cables to ports (e.g., HDMI to HDMI).
  3. Select input via INPUT button (HDMI, VGA, Composite, TV).

Tip: Ensure display is off and unplugged before connecting cables.

Media Player Operation

Supports USB media playback for video, audio, and images.

  1. Insert USB: Connect USB device to USB port.
  2. Navigate: Use arrow buttons to browse files.
  3. Play: Press OK/ENTER to play selected file.
  4. Pause/Stop: Use playback controls.
  5. Skip: PREV/NEXT for files or tracks.
  6. Repeat: Access repeat modes in playback menu.
  7. Zoom: Press ZOOM for image magnification.
  8. Slide show: Automatic image display with timing options.

WARNING! Safely eject USB devices. Do not remove during playback.

Accessibility Features

Closed Captions: Enable in setup menu (On/Off). Parental Controls: Content restrictions available in settings menu.

Care & Cleaning

Unplug before cleaning. Use dry, soft cloth only; no liquids or chemical cleaners.

CAUTION! Do not spray liquids directly on screen; avoid abrasive materials.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2025 Janome; all rights reserved. For technical support, visit www.janome-support.com or contact 1-800-555-0123.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower connectionCheck power cord connection; ensure outlet is working.
No pictureInput selection/cablesVerify correct input selected; check cable connections.
No soundVolume/mute settingsCheck volume level; ensure mute is off; verify audio cables.
Remote not workingBatteries/obstaclesReplace batteries; ensure clear line of sight to IR sensor.
USB not recognizedFormat/compatibilityCheck file format compatibility; try different USB device.

Reset: Menu > System > Factory Reset if available.

Service: 1-800-555-0123; www.janome-support.com

Janome J3-20 Instruction Manual © - All Rights Reserved 2025