Kenwood 520 Manual

The Kenwood 520 is a high-performance audio receiver featuring AM/FM radio tuner, multiple audio inputs, speaker outputs, remote control capability, tone controls, and advanced audio processing. Designed for home audio systems with 100W per channel output, digital display, preset stations, and versatile connectivity options. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with digital display, Remote Control, AM/FM antenna terminals, Audio input jacks, Speaker outputs, Headphone jack.

Feature	Description
AM/FM antenna terminals	For external AM/FM antenna connections
Audio input jacks	For CD player, tape deck, and auxiliary devices
Speaker outputs	For connecting left and right speakers
Headphone jack	For private audio listening
AC power cord	For power connection
Remote sensor	Infrared receiver for remote control
POWER	Turns receiver on/off
VOLUME	Adjusts audio output level
INPUT SELECT	Switches between audio sources
TUNER	Selects AM/FM radio mode

Installation

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

1. Connect speakers: Attach speaker wires to appropriate terminals (A or B speaker outputs).
2. Connect antenna: Attach AM loop antenna and FM wire antenna to respective terminals.
3. Connect audio sources: Use audio input jacks for CD player, tape deck, or other devices.
4. Plug into AC power outlet.

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

First-Time Setup

Power on receiver; initialize system settings.

1. Set clock: Press CLOCK button and set current time using tuning knob.
2. Program radio stations: Use auto-scan feature to store AM/FM stations.
3. Set audio preferences: Adjust bass, treble, and balance to preference.
4. Configure inputs: Assign names to different audio sources if available.

CAUTION! Ensure all connections are secure before powering on.

Specifications

• Power Output: 100W per channel (8 ohms).
• Frequency Response: 20Hz - 20kHz.
• Tuner Section: AM/FM with 30 station presets.
• Inputs: CD, TAPE, AUX, PHONO.
• Outputs: Speaker A/B, headphones, tape record.
• Total Harmonic Distortion: Less than 0.08%.
• Signal-to-Noise Ratio: 85dB (PHONO).
• Power Requirements: 120V AC, 60Hz.
• Dimensions: 17.1" W × 5.9" H × 14.4" D.

Controls and Settings

Front panel controls: POWER, VOLUME, INPUT SELECT, TUNER, BASS, TREBLE, BALANCE.

Remote: POWER, Numeric buttons, VOLUME, MUTE, INPUT SELECT, TUNER, PRESET.

Audio Controls: BASS (±10dB), TREBLE (±10dB), BALANCE (L/R adjustment). Tuner: Manual/Auto tuning, Preset memory (30 stations). System: Clock setting, Sleep timer, Display dimmer.

Connecting Devices

Audio Sources: CD player, tape deck, turntable, auxiliary devices. Speakers: Main speakers A/B.

1. Turn off receiver before connecting devices.
2. Use appropriate cables for each input (RCA for line level, special for phono).
3. Connect speakers ensuring correct polarity (+/-).
4. Select input via INPUT SELECT (CD, TAPE, AUX, PHONO).

Tip: Keep audio cables away from power cords to reduce interference.

Radio Operation

AM/FM tuner with auto-scan and manual tuning.

1. Select tuner: Press TUNER button for AM/FM mode.
2. Tune stations: Use tuning knob or auto-scan for station search.
3. Store presets: Press and hold PRESET button to store current station.
4. Recall presets: Use numeric buttons or PRESET up/down.
5. Mute: Press MUTE to temporarily silence audio.
6. Sleep timer: Set automatic shut-off from 10-90 minutes.

WARNING! Ensure proper antenna connection for best reception.

Audio Settings

Tone Controls: Adjust BASS and TREBLE to preference. Balance: Adjust left/right speaker balance. Loudness: Enhance bass at low volume levels.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for exterior. Use compressed air for dust removal from vents.

CAUTION! Do not use liquid cleaners; avoid moisture near electrical components.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2006 Kenwood; trademarks of Kenwood Corporation. For support, visit www.kenwood.com or contact 1-800-536-9663.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power cord connection; test outlet; ensure power switch on.
No sound from speakers	Speaker connections/volume	Check speaker wires; ensure speakers selected (A/B); adjust volume.
Poor radio reception	Antenna/placement	Reposition antennas; ensure secure connections; avoid interference.
Remote not working	Batteries/obstacles	Replace batteries; point remote at sensor; remove obstacles.
Distorted sound	Input level/speakers	Reduce input volume; check speaker impedance; inspect cables.

Reset: Disconnect power for 30 seconds to reset microprocessor.

Service: 1-800-536-9663; www.kenwood.com