Marantz 5420 Owners Manual

The Marantz 5420 is a high-performance stereo receiver featuring 80 watts per channel, Dolby Digital and DTS decoding, multiple audio/video inputs, AM/FM tuner with 40 presets, remote control, bass/treble controls, tone defeat, loudness compensation, and speaker A/B switching. 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. Tuner Operation 8. Audio Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Front panel controls, rear panel connections, remote control, AM/FM antenna terminals, speaker outputs.

Feature	Description
Power Output	80 watts per channel (8 ohms, 20Hz-20kHz)
Tuner Section	AM/FM with 40 station presets
Audio Inputs	CD, Tape, Phono, Aux
Video Inputs	2 composite video inputs
Speaker Outputs	A/B switching for two speaker pairs
Tone Controls	Bass and treble adjustment
Loudness Compensation	Enhances bass at low volumes
Headphone Jack	Front panel 1/4" stereo jack
Remote Control	Full-function infrared remote
Power Consumption	280 watts maximum

Installation

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

Connect speakers: Use speaker wire to connect to A/B speaker terminals.
Connect audio sources: Use appropriate cables for CD player, turntable, tape deck.
Connect antennas: Attach FM antenna to 75-ohm terminal, AM loop antenna.
Connect AC power cord to wall outlet.

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

First-Time Setup

Power on receiver; initialize system settings.

Set speaker configuration: Choose A, B, or A+B speaker outputs.
Tune radio stations: Use auto-scan to find and store FM/AM stations.
Set input levels: Adjust volume for each source to match listening levels.
Configure tone settings: Set bass/treble to personal preference.

CAUTION! Keep away from heat sources and moisture. Allow adequate space for heat dissipation.

Specifications

Power Output: 80W + 80W (8 ohms, 20Hz-20kHz)
Total Harmonic Distortion: 0.08% (rated power)
Frequency Response: 10Hz-100kHz (+1/-3dB)
Input Sensitivity: Phono: 2.5mV, CD: 200mV
Signal-to-Noise Ratio: Phono: 80dB, CD: 100dB
Tuner Section: FM/AM with 40 presets
Dimensions: 17-1/8" W x 6" H x 15" D
Weight: 22 lbs
Power Requirements: 120V AC, 60Hz

Controls and Settings

Front Panel: POWER, VOLUME, INPUT SELECTOR, BASS, TREBLE, LOUDNESS, SPEAKER A/B.

Remote: POWER, INPUT SELECT, VOLUME UP/DOWN, MUTE, TUNER PRESETS, BASS/TREBLE.

Tone Controls: Bass ±10dB at 100Hz, Treble ±10dB at 10kHz. Loudness: On/Off for bass enhancement. Speaker Selection: A, B, A+B, or Off. Input Selection: Phono, CD, Tape, Aux, Tuner.

Connecting Devices

Audio Inputs: Phono, CD, Tape, Aux. Speaker Outputs: A/B terminals.

Turn off receiver before connecting devices.
Match cable types to inputs (RCA for audio, speaker wire for speakers).
Select appropriate input source using front panel or remote.
Connect turntable to Phono input only.

Tip: Use high-quality cables for best audio performance. Keep signal cables away from power cords.

Tuner Operation

AM/FM tuner with manual and automatic tuning.

Select Tuner input on front panel.
Choose AM or FM band using BAND button.
Auto-scan: Press and hold TUNE to automatically find stations.
Manual tune: Press TUNE briefly to step through frequencies.
Store presets: Tune to station, press and hold preset button (1-40).
Recall presets: Press preset number directly or use up/down buttons.

WARNING! Ensure proper antenna connection for best reception. Position FM antenna for optimal signal.

Audio Settings

Tone Controls: Adjust bass and treble to suit listening environment and music type. Loudness: Engages bass boost at low volume levels. Tone Defeat: Bypasses tone controls for pure signal path.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Clean controls with contact cleaner if needed.

CAUTION! Do not use chemical cleaners or solvents. Keep ventilation openings clear of dust.

Regulatory Information

FCC Part 15: Class B digital device compliant. Manufactured under license from Marantz America. For technical support, contact Marantz Customer Service at 1-800-270-2753 or visit www.marantz.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Speaker selection/muting	Check speaker A/B selection; ensure not muted; verify speaker connections.
Distorted sound	Input level/connections	Reduce volume; check source device levels; inspect cables.
Poor FM reception	Antenna placement	Reposition FM antenna; ensure proper connection; check for interference.
Remote not working	Batteries/obstructions	Replace batteries; point remote at sensor; remove obstacles.
Hum or noise	Grounding/cables	Check ground connections; separate audio and power cables; use shielded cables.

Reset: Unplug unit for 30 seconds to reset microprocessor.

Service: 1-800-270-2753; www.marantz.com