Kenwood VR 407 Manual

The Kenwood VR 407 is a high-performance audio/video receiver featuring Dolby Digital and DTS decoding, multi-room capability, AM/FM tuner with 40 presets, 6-channel amplification (100W per channel), multiple audio/video inputs including optical and coaxial digital inputs, component video switching, and advanced surround sound processing. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with amplifier section, Remote Control, AM/FM antennas, Speaker terminals, Audio/Video inputs and outputs, Digital inputs.

Feature	Description
Dolby Digital/DTS Decoding	5.1 channel surround sound processing
Power Output	100W per channel (6 channels)
AM/FM Tuner	40 station presets (20 AM, 20 FM)
Digital Inputs	Optical and coaxial digital audio inputs
Component Video	Component video switching capability
Multi-room Output	Zone 2 audio output for second room
Speaker Terminals	6 channels plus surround back/pre-out
Input Selector	DVD, VCR, CD, TUNER, AUX, TV/SAT
Surround Modes	Dolby Pro Logic, DTS, Hall, Theater
Remote Control	Learning remote with macro functions

Installation

Unpack and inspect contents. Place in well-ventilated area.

1. Connect speakers: Match polarity (+/-) for all speakers.
2. Connect audio sources: Use appropriate input jacks for each device.
3. Connect video sources: Component video for high-quality video signals.
4. Connect antennas: AM loop antenna and FM wire antenna.
5. Plug into AC power.

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

First-Time Setup

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

1. Speaker setup: Configure speaker sizes and distances.
2. Input assignment: Assign digital inputs to appropriate sources.
3. Tuner setup: Auto-scan and store AM/FM stations.
4. Surround settings: Select preferred surround mode.
5. Multi-room setup: Configure Zone 2 if used.

CAUTION! Turn volume to minimum before powering on to prevent speaker damage.

Specifications

• Power Output: 100W x 6 (8 ohms, 20Hz-20kHz)
• Total Harmonic Distortion: 0.08%
• Frequency Response: 10Hz-100kHz
• Signal-to-Noise Ratio: 100dB
• Digital Inputs: 2 optical, 2 coaxial
• Analog Inputs: 6 stereo audio, 6 composite video
• Video Inputs: 3 composite, 2 component
• Tuner Section: AM/FM with RDS
• Power Consumption: 450W maximum
• Dimensions: 440mm x 430mm x 171mm

Controls and Settings

Front Panel: POWER, INPUT SELECTOR, VOLUME, TONE controls, HEADPHONE jack.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, SURROUND MODE, TUNER PRESETS, NUMERIC KEYPAD.

Audio Settings: Bass, Treble, Balance, Loudness. Surround Settings: Dolby Digital, DTS, Pro Logic, Hall, Theater. Speaker Settings: Size (Large/Small), Distance, Level. Tuner Settings: Preset memory, Auto scan. System Settings: Input rename, OSD setup.

Connecting Devices

Audio: Use analog or digital inputs. Video: Composite or component connections.

1. Turn off receiver and devices before connecting.
2. Match audio/video inputs to source devices.
3. Assign digital inputs in setup menu.
4. Connect speakers ensuring proper polarity.
5. Select input via front panel or remote.

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

Audio/Video Operation

Supports various audio formats and surround modes.

1. Select input: Choose source (DVD, CD, TUNER, etc.)
2. Adjust volume: Use volume control on front panel or remote.
3. Select surround mode: Choose appropriate decoding mode.
4. Tuner operation: Select AM/FM band, tune stations, store presets.
5. Tone controls: Adjust bass and treble to preference.
6. Mute function: Temporary audio mute.
7. Headphone use: Connect headphones for private listening.

WARNING! Do not operate at maximum volume for extended periods.

Multi-Room Setup

Zone 2 capability for second room audio.

1. Connect Zone 2 speakers to dedicated terminals.
2. Enable Zone 2 in setup menu.
3. Select Zone 2 source independently from main zone.
4. Control Zone 2 volume separately.

Note: Zone 2 operates with analog sources only.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth only; avoid chemicals.

Keep unit dry and away from moisture. Ensure proper ventilation.

CAUTION! Do not use liquid cleaners; avoid blocking ventilation openings.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE marked for European compliance. 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	Input selection/volume	Verify input selection; check volume level; ensure mute off.
Poor FM reception	Antenna placement	Reposition FM antenna; ensure proper connection.
No surround sound	Source/decoding	Check source material; verify surround mode selection.
Remote not working	Batteries/obstruction	Replace batteries; ensure clear path to IR sensor.

Reset: Press and hold POWER while unplugging, then plug back in.

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