Kenwood VR 407 User Manual

The Kenwood VR 407 is a high-performance AV receiver featuring Dolby Digital and DTS decoding, 5.1 channel surround sound, multiple audio/video inputs, AM/FM tuner, digital optical/coaxial inputs, speaker level outputs, remote control, on-screen display, and various sound modes. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with 5.1 channel amplifier, Remote Control, Speaker terminals, Audio/Video inputs, Digital inputs, AM/FM antenna terminals.

Installation

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

1. Connect speakers: Match polarity (+/-) for front L/R, center, surround L/R, and subwoofer.
2. Connect audio sources: Use audio/video inputs for DVD, VCR, CD players, etc.
3. Connect digital sources: Use optical/coaxial inputs for digital audio.
4. Connect AM/FM antennas: Attach wire antennas for optimal reception.
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 prompts.

1. Speaker setup: Configure speaker sizes (large/small) and distances.
2. Input assignment: Assign digital inputs to specific sources.
3. Tuner setup: Auto-scan and store AM/FM stations.
4. Sound calibration: Use test tone for proper channel balance.
5. Remote setup: Program remote for other components.

CAUTION! Ensure all connections are secure before powering on.

Specifications

• Power Output: 80W x 2 (front), 25W x 3 (center/surround)
• Total Harmonic Distortion: 0.08%
• Frequency Response: 20Hz - 20kHz
• Signal-to-Noise Ratio: 100dB
• Input Sensitivity: 200mV
• Digital Inputs: 2 optical, 1 coaxial
• Audio Inputs: 4 stereo pairs
• Video Inputs: 4 composite
• Tuner: AM/FM with RDS
• Power Consumption: 180W
• Dimensions: 440 x 151 x 380mm
• Weight: 8.5kg

Controls and Settings

Access OSD via remote control. Front Panel: POWER, INPUT SELECT, VOLUME, TONE, MUTE.

Remote: POWER, Numeric buttons, INPUT SELECT, VOLUME, MUTE, MENU, TUNER, SOUND MODE, TEST TONE.

Audio: Bass, treble, balance, loudness. Speaker: Size, distance, level calibration. Input: Naming, digital assignment. Tuner: Preset memory, auto scan. System: OSD language, remote codes.

Connecting Devices

Audio: Use audio inputs for CD players, tape decks. Video: Composite video inputs. Digital: Optical/coaxial for DVD, satellite receivers.

1. Turn off receiver and devices before connecting.
2. Match cable types to appropriate inputs.
3. Assign digital inputs in setup menu.
4. Select input via INPUT SELECT button.

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

Audio Modes and Processing

Supports various surround sound and DSP modes.

1. Dolby Digital: Auto-detection for 5.1 channel sources.
2. DTS: Digital Theater System decoding.
3. Pro Logic: Matrix surround for stereo sources.
4. DSP modes: Hall, Theater, Stadium, Jazz Club environments.
5. Direct mode: Bypasses processing for pure audio.
6. Night mode: Compresses dynamic range for late-night viewing.

WARNING! Ensure proper speaker setup for optimal surround effect.

Tuner Operation

AM/FM tuner with 30 station presets.

1. Auto scan: Automatically finds and stores stations.
2. Manual tuning: Fine-tune station reception.
3. Preset memory: Store up to 30 favorite stations.
4. RDS: Displays station information when available.

Care & Cleaning

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

CAUTION! Do not use abrasive materials; keep away from moisture and extreme temperatures.

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

Reset: Disconnect power for 5 minutes to reset microprocessor.

Service: Contact authorized Kenwood service center; www.kenwood.com