LG DK-7890 Manual

The LG DK-7890 is a high-performance home theater system featuring Dolby Digital and DTS decoding, 5.1 channel surround sound, 1000W total power output, built-in DVD/CD player, USB and SD card inputs, FM/AM tuner with 30 presets, HDMI connectivity, Bluetooth audio streaming, and multi-room audio capability. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main receiver unit with built-in DVD player, 5 satellite speakers, powered subwoofer, Remote Control, HDMI output, USB port, SD card slot, Bluetooth antenna, and speaker terminals.

Feature	Description
Power Output	1000W total system power (5.1 channels)
Audio Decoding	Dolby Digital, DTS, Dolby Pro Logic II
Connectivity	HDMI, USB, SD card, Bluetooth, Optical input
Radio Tuner	FM/AM with 30 station presets
Multi-room Audio	Zone 2 output for second room
Display	Front panel fluorescent display
Power Button	Turns system on/off
Input Select	Cycles through input sources
Volume Control	Adjusts master volume level
Mute	Instantly mutes all audio

Installation

Unpack and verify all components. Place main unit on stable surface with proper ventilation.

1. Connect speakers: Match colored wires to corresponding terminals (Front L/R, Center, Surround L/R).
2. Connect subwoofer: Use provided cable to SUBWOOFER OUT on main unit.
3. Connect TV: Use HDMI cable from HDMI OUT to TV's HDMI input.
4. Connect antenna: Attach FM wire antenna and AM loop antenna.
5. Plug into AC power.

WARNING! Ensure proper speaker impedance (6-8 ohms). Do not block ventilation openings.

First-Time Setup

Power on system; follow on-screen display if connected via HDMI.

1. Speaker configuration: Run auto calibration with included microphone.
2. Input setup: Assign names to inputs (BD, DVD, TV, etc.).
3. Network setup: Connect to Wi-Fi for streaming services.
4. Radio presets: Auto-scan and save favorite stations.
5. Bluetooth pairing: Enable pairing mode and connect mobile device.

CAUTION! Keep speakers away from heat sources and moisture.

Specifications

• Audio Power: 1000W total (Front: 150W x 2, Center: 150W, Surround: 150W x 2, Subwoofer: 250W).
• Supported Formats: DVD-Video, DVD-Audio, CD, MP3, WMA, JPEG, DivX.
• Connectivity: HDMI (v1.4), USB 2.0, SDHC, Bluetooth 4.0, Optical input, Analog audio inputs.
• Radio: FM 87.5-108 MHz, AM 530-1710 kHz.
• Sound Modes: Movie, Music, Game, Standard, Direct.
• Dimensions: Main unit: 430 x 330 x 100 mm.
• Power Requirements: 120V AC, 60Hz, 180W.
• Operating Temperature: 41°F to 95°F (5°C to 35°C).

Controls and Settings

Access menu via remote or front panel buttons. Front Panel: POWER, INPUT SELECT, VOLUME, MENU, PLAY/PAUSE.

Remote: POWER, Numeric buttons, INPUT SELECT, VOLUME, MUTE, MENU, NAVIGATION arrows, ENTER, RETURN, SOUND MODE.

Audio Settings: Speaker levels, distance, crossover frequency, equalizer presets. Video Settings: HDMI resolution (480p to 1080p), screen saver. Network: Wi-Fi setup, firmware updates. System: Language (English default), factory reset, auto standby.

Connecting Devices

HDMI: Connect to TV for audio/video. Optical: Connect to TV or set-top box for digital audio. Analog: Use RCA cables for older devices.

1. Turn off all devices before connecting.
2. Use high-quality HDMI cables for best performance.
3. Select input via INPUT button (HDMI, OPT, AUX, USB, BT).

Tip: For ARC (Audio Return Channel), enable HDMI-CEC in both system and TV settings.

Playing Media

Supports DVDs, audio CDs, USB drives, and SD cards.

1. Insert media: Load disc into tray or connect USB/SD card.
2. Play: Press PLAY; navigate with arrow buttons.
3. Skip: PREV/NEXT for tracks/chapters.
4. Repeat: Press REPEAT for track/all repeat.
5. Sound modes: Cycle through Movie, Music, Game modes.
6. Zoom: Press ZOOM during video playback.
7. Bookmark: Press MARK to save playback position.
8. Random play: Press RANDOM for shuffle mode.

WARNING! Do not move system during disc playback. Use only supported media formats.

Network Features

Bluetooth Streaming: Pair and play from mobile devices. Network Audio: Stream from DLNA servers. Software Updates: Download latest firmware via internet.

Care & Maintenance

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

CAUTION! Do not use chemical cleaners. Keep away from direct sunlight and liquids.

Regulatory Information

FCC Part 15: Class B digital device compliant. ICES-003: Canada compliance. Copyright © 2023 LG Electronics Inc. All rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; ensure power switch is on.
No sound from speakers	Connections/settings	Verify speaker wires; check input selection; adjust volume; disable mute.
Bluetooth not connecting	Distance/pairing	Ensure within 33 ft; delete old pairing; restart both devices.
Disc not reading	Disc/dirty lens	Clean disc; check for scratches; use lens cleaning disc.
HDMI no signal	Cable/input	Check HDMI cable; select correct TV input; try different HDMI port.

Reset: Hold POWER and MENU for 10 seconds to factory reset.

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