Kenwood VR 405 Receiver Manual

The Kenwood VR 405 is a high-performance audio/video receiver featuring Dolby Digital and DTS decoding, 5.1 channel surround sound, multiple audio/video inputs, digital optical/coaxial inputs, AM/FM tuner with 30 presets, remote control, on-screen display, and various sound modes. 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. Audio/Video Operation 8. Sound Modes 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with front panel controls, Remote Control, Speaker terminals, Audio/Video inputs, Digital inputs, AM/FM antenna terminals.

Feature	Description
Power Output	100W per channel (front), 25W (center/surround)
Audio Decoding	Dolby Digital, DTS, Dolby Pro Logic
Inputs	4 Audio/Video, 2 Digital Optical, 1 Digital Coaxial
Tuner	AM/FM with 30 station presets
Speaker Terminals	5.1 channel surround sound connections
Remote Control	Full-function remote with learning capability
On-Screen Display	Menu navigation and setup
Sound Modes	Hall, Theater, Stadium, Music
Headphone Jack	3.5mm stereo headphone output
AC Power	120V AC, 60Hz operation

Installation

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

Connect speakers: Match polarity (+/-) for all channels.
Connect audio sources: Use appropriate input jacks for CD, DVD, etc.
Connect video sources: Use composite or S-video inputs.
Connect antennas: AM loop and FM wire antennas.
Plug into AC power outlet.

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

First-Time Setup

Power on receiver; follow on-screen display prompts.

Speaker setup: Configure speaker size and distance.
Input assignment: Assign sources to appropriate inputs.
Tuner setup: Auto-scan and store radio stations.
Sound calibration: Use test tone for level adjustment.
Remote programming: Learn codes for other devices.

CAUTION! Turn off power before making connections. Use proper gauge speaker wire.

Specifications

Power Output: 100W x 2 (front), 25W x 3 (center/surround)
Total Harmonic Distortion: 0.08%
Frequency Response: 20Hz - 20kHz
Signal-to-Noise Ratio: 95dB
Input Sensitivity: 200mV
Digital Inputs: 2 Optical, 1 Coaxial
Analog Inputs: 4 Audio/Video pairs
Tuner Section: AM/FM with 30 presets
Power Consumption: 180W
Dimensions: 17.1" W x 5.9" H x 14.4" D

Controls and Settings

Front Panel: POWER, INPUT SELECT, VOLUME, TUNER PRESETS, SOUND MODE, HEADPHONE.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, NUMERIC, TUNER, SOUND MODE, SETUP.

Audio Settings: Bass, Treble, Balance, Loudness. Video Settings: Input selection, OSD options. Tuner: Auto/manual tuning, preset memory. System: Speaker configuration, input naming, remote setup.

Connecting Devices

Audio Sources: CD player, turntable (with phono preamp). Video Sources: DVD player, cable box, gaming console.

Turn off receiver and source devices before connecting.
Use appropriate cables (RCA for audio, composite/S-video for video).
Connect digital sources to optical/coaxial inputs.
Select input via INPUT SELECT button or remote.

Tip: Use high-quality cables for best performance. Keep cables organized.

Audio/Video Operation

Supports various audio formats and surround modes.

Power on: Press POWER button on front or remote.
Select source: Use INPUT SELECT for desired input.
Adjust volume: Use VOLUME control or remote.
Select sound mode: Choose from stereo, surround, or DSP modes.
Tuner operation: Tune stations and store presets.
Mute: Press MUTE for temporary silence.
Headphone use: Plug into front panel jack.

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

Sound Modes

Dolby Digital: 5.1 channel surround for movies. DTS: Digital theater sound. Dolby Pro Logic: Matrix surround. DSP Modes: Hall, Theater, Stadium, Music for enhanced listening.

Care & Maintenance

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

CAUTION! Keep away from moisture and heat sources. Clean ventilation openings regularly.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet.
No sound	Input selection/volume	Verify input selection; check volume level; ensure mute is off.
Poor radio reception	Antenna placement	Reposition antennas; ensure proper connection.
Remote not working	Batteries/obstruction	Replace batteries; point directly at sensor; remove obstacles.
Overheating	Ventilation	Ensure adequate ventilation; clear vents of dust.

Reset: Disconnect power for 30 seconds to reset microprocessor.

Service: Contact authorized Kenwood service center for repairs.