The Kenwood VR 407 is a high-performance audio video surround receiver featuring Dolby Digital and DTS decoding, multiple audio/video inputs, AM/FM tuner, digital sound field processing, multi-room capability, and 100W per channel power output. Below are key sections for setup, operation, features, specifications, and troubleshooting.
Key components: Main unit, Remote control, AM loop antenna, FM wire antenna, Batteries, Audio/video cables.
| Feature | Description |
|---|---|
| Dolby Digital/DTS Decoding | 5.1 channel surround sound processing |
| Power Output | 100W per channel (front), 50W (center/surround) |
| Audio Inputs | 4 stereo audio, phono, CD, tape |
| Video Inputs | 3 composite video, S-video |
| Digital Inputs | 2 optical, 1 coaxial |
| Multi-room Capability | Second zone audio output |
| Tuner | AM/FM with 30 station presets |
| Sound Field Processing | Hall, Theater, Stadium modes |
| Speaker Terminals | 5 channels plus subwoofer output |
| Remote Control | Multi-brand learning capability |
Unpack and inspect contents. Place in well-ventilated area.
WARNING! Ensure proper ventilation; do not block heat sinks. Use correct speaker impedance.
Power on receiver; follow on-screen display prompts.
CAUTION! Turn volume to minimum before power on to prevent speaker damage.
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. Tuner: Auto scan, Manual tuning, Preset memory. System: Speaker size, Distance, Level calibration, Input rename.
Audio Sources: CD, Tape, Phono, Aux. Video Sources: DVD, VCR, Cable/Satellite.
Tip: Use high-quality cables for best audio/video performance.
Optimal speaker placement for 5.1 surround.
WARNING! Ensure all speaker connections are secure and polarity correct.
Second zone audio capability for additional rooms.
Unplug before cleaning. Use soft, dry cloth only; avoid chemicals.
Keep unit dry and away from heat sources. Ensure ventilation openings are unobstructed.
CAUTION! No user-serviceable parts inside. Refer servicing to qualified personnel.
FCC Part 15: Class B digital device compliant. UL listed. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power cord/outlet | Check power connection; try different outlet. |
| No sound | Speaker connections/mute | Check speaker wires; ensure not muted; verify input selection. |
| No surround sound | Source/decoding | Ensure source has Dolby/DTS signal; select correct surround mode. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear path to sensor. |
| Poor tuner reception | Antenna placement | Reposition antennas; check connections. |
| Overheating | Ventilation | Ensure adequate ventilation; clear obstructions. |
Reset: Hold POWER while unplugging, then replug to reset microprocessor.
Service: Contact authorized Kenwood service center; www.kenwood.com