kenwood vr 407 manual pdf

The Kenwood VR-407 is a 5.1 channel AV receiver featuring Dolby Digital and DTS decoding, 100W per channel output, multiple audio/video inputs, AM/FM tuner, digital optical/coaxial inputs, speaker setup microphone, and remote control. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 5.1 channel AV receiver, Remote Control, Speaker terminals, Audio/Video inputs, Digital inputs, AM/FM antenna terminals.

Feature	Description
Power output	100W per channel (6 ohms, 1kHz, 0.7% THD)
Audio decoding	Dolby Digital, DTS, Pro Logic II
Digital inputs	Optical and coaxial
Video inputs	Composite and S-Video
Speaker terminals	Front, Center, Surround, Subwoofer
Tuner	AM/FM with 30 presets
Auto calibration	Built-in microphone for speaker setup
Remote control	Full system control
Headphone jack	For private listening
Power consumption	240W maximum

Installation

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

1. Connect speakers: Match polarity (+/-) for front, center, surround, and subwoofer.
2. Connect audio sources: Use analog or digital inputs for CD/DVD players.
3. Connect video sources: Use composite or S-Video inputs.
4. Connect antennas: AM loop and FM wire antennas.
5. Plug into AC power.

WARNING! Ensure proper ventilation; do not block vents. Use correct speaker impedance.

First-Time Setup

Power on receiver; follow on-screen display or front panel indicators.

1. Auto speaker setup: Connect calibration microphone; run auto setup procedure.
2. Manual adjustments: Adjust speaker levels, distances, and crossover frequencies.
3. Input assignment: Configure digital/analog inputs for connected sources.
4. Tuner setup: Auto-scan and store AM/FM stations.

CAUTION! Turn off power before connecting/disconnecting speakers.

Specifications

• Amplifier Section: 5.1 channels, 100W per channel
• Audio Formats: Dolby Digital, DTS, Pro Logic II
• Frequency Response: 10Hz - 100kHz (+1/-3dB)
• Signal-to-Noise Ratio: 100dB (line input)
• Inputs/Outputs: 4 audio, 3 video, 2 digital, phono input
• Tuner Section: AM/FM with 30 presets
• Power Requirements: AC 120V, 60Hz
• Dimensions: 440mm x 151mm x 378mm (WxHxD)
• Weight: 9.5kg

Controls and Settings

Front Panel: POWER, INPUT SELECT, VOLUME, TONE, SPEAKERS A/B, HEADPHONE.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, TONE, SURROUND MODE, NUMERIC, MENU.

Audio Settings: Bass, Treble, Balance, Loudness. Speaker Settings: Level, Distance, Crossover. Input Setup: Name inputs, assign digital inputs. Tuner: Preset memory, auto scan. System: Dimmer, standby mode.

Connecting Devices

Audio: CD player, turntable (phono), tape deck. Video: DVD player, VCR, game console. Digital: Optical/coaxial from compatible sources.

1. Turn off receiver before connecting devices.
2. Use appropriate cables for each source type.
3. Assign inputs in setup menu for optimal performance.
4. Connect subwoofer via LFE or line output.

Tip: Use high-quality cables for best audio/video performance.

Audio Setup & Calibration

Auto calibration with included microphone:

1. Place microphone at main listening position.
2. Access setup menu and select auto calibration.
3. Follow on-screen prompts; remain quiet during test tones.
4. Verify results and make manual adjustments if needed.
5. Manual settings: Speaker size, distance, level, crossover.

WARNING! Do not move microphone during calibration process.

Listening Modes

Dolby Digital: For 5.1 channel surround sound. DTS: Digital Theater System decoding. Pro Logic II: For stereo to 5.1 channel expansion. Stereo: 2-channel playback. Direct: Pure audio path.

Care & Maintenance

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

CAUTION! Keep away from moisture and heat sources. Ensure proper ventilation.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power cord connection; verify outlet function.
No sound	Speaker connections/mute	Check speaker wires; ensure not muted; verify input selection.
Poor sound quality	Settings/connections	Re-run auto calibration; check cable connections.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to IR sensor.
Overheating	Ventilation	Ensure adequate ventilation; clear vents of obstructions.

Reset: Disconnect power for 30 seconds to reset microprocessor.

Service: Contact authorized Kenwood service center for repairs.