LG Blu-ray Disc Player BD 640 Manual

The LG Blu-ray Disc Player BD 640 is a high-definition disc player supporting Blu-ray, DVD, and CD formats with 1080p upscaling, built-in Wi-Fi, HDMI output, USB connectivity, Netflix and YouTube streaming, BD-Live support, Dolby Digital and DTS audio decoding, remote control, parental controls, and various playback 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. Playing Disc Media 8. Network Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Blu-ray disc player with built-in Wi-Fi, Remote Control, HDMI output, USB port, Ethernet port, Optical audio output, Power connector.

Feature	Description
HDMI output	For high-definition video and audio connection to TV
USB port	For media playback from USB storage devices
Ethernet port	For wired network connection
Built-in Wi-Fi	For wireless network connectivity
Optical audio output	For digital audio connection to sound systems
Power connector	For AC power connection
OPEN/CLOSE	Ejects and closes disc tray
HOME	Accesses main menu and smart features
NETFLIX/YOUTUBE	Direct access to streaming services
POWER	Turns player on/off

Installation

Unpack and inspect contents. Place on stable, well-ventilated surface.

Connect to TV: Use HDMI cable from HDMI OUT to TV HDMI input.
Connect to audio system: Use optical cable for digital audio output.
Connect to network: Use Ethernet cable or set up Wi-Fi connection.
Plug into AC power outlet.

WARNING! Ensure proper ventilation around player; do not block vents. Handle discs carefully to avoid damage.

First-Time Setup

Power on player; follow on-screen setup wizard.

Language selection: Choose preferred menu language.
Network setup: Connect to Wi-Fi or Ethernet network.
Display settings: Configure resolution (1080p recommended).
Audio settings: Set audio output format and speaker configuration.
Smart features: Log in to streaming services if desired.

CAUTION! Keep player away from heat sources and moisture. Use stable power source.

Specifications

Supported Discs: Blu-ray, DVD, CD, DVD±R/RW, CD-R/RW
Video Output: 1080p upscaling, HDMI 1.4
Audio: Dolby Digital, DTS, Dolby TrueHD, DTS-HD Master Audio
Connectivity: HDMI, USB 2.0, Ethernet, Wi-Fi (802.11n)
Streaming Services: Netflix, YouTube, Vudu, Pandora
BD-Live: Yes (requires USB storage)
Power Source: 120V AC, 60Hz
Operating Temp: 41°F to 95°F (5°C to 35°C)

Controls and Settings

Access menu via HOME button. Front Panel: POWER, OPEN/CLOSE, USB port, Display.

Remote: POWER, Numeric buttons, OPEN/CLOSE, HOME, NETFLIX, YOUTUBE, VOLUME, MUTE, NAVIGATION arrows, ENTER, RETURN, OPTIONS.

Video: Resolution (Auto, 1080p, 720p, 480p), TV Aspect (16:9, 4:3). Audio: Digital Audio Output (PCM, Bitstream), Downmix (Stereo, Surround). Network: Wi-Fi setup, Network test, Software update. System: Language, Parental Control (default password 0000), Quick Start.

Connecting Devices

TV: HDMI output. Audio: Optical audio output. Network: Ethernet or Wi-Fi. USB: USB storage for media playback.

Turn off all devices before connecting cables.
Use high-speed HDMI cable for best performance.
Connect USB devices to front or rear USB port.
Select correct input on TV (HDMI 1, HDMI 2, etc.).

Tip: Use certified HDMI cables for optimal 1080p performance.

Playing Disc Media

Supports Blu-ray, DVD, CD, and various recordable formats.

Insert disc: Press OPEN/CLOSE, place disc in tray, press again to close.
Play: Disc usually starts automatically; use PLAY if needed.
Navigation: Use arrow keys and ENTER for menu navigation.
Skip: PREV/NEXT for chapters/tracks.
Search: Use left/right arrows for fast forward/reverse.
Subtitle/Audio: Press OPTIONS to change subtitle and audio tracks.
Bookmark: Press BOOKMARK to save playback position.
Eject: Press OPEN/CLOSE to remove disc.

WARNING! Do not move player while disc is spinning. Handle discs by edges only.

Network Features

Streaming Services: Access Netflix, YouTube, Vudu from HOME menu. BD-Live: Download extra content with USB storage connected. Software Updates: Automatic or manual updates via network.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for exterior. Clean lens only with approved cleaning disc.

CAUTION! Do not use chemicals or abrasive cleaners. Never disassemble player.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2025 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No picture	HDMI connection/TV input	Check HDMI cable; ensure TV is on correct input; try different HDMI port.
No sound	Audio settings/connections	Check audio settings; ensure TV volume up; verify audio cable connections.
Disc not recognized	Disc format/damage	Ensure disc is compatible format; check for scratches; clean disc.
Network connection failed	Wi-Fi signal/settings	Check network password; move closer to router; try wired connection.
Streaming buffering	Internet speed	Check internet connection; restart router; reduce other network usage.

Reset: Unplug for 60 seconds then restart. Factory reset in System menu if needed.

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