Marantz 5420 Manual

The Marantz 5420 is a high-performance stereo receiver featuring 100 watts per channel, Dolby Digital and DTS decoding, multiple audio/video inputs, AM/FM tuner with 40 station presets, remote control, tone controls, speaker A/B switching, and headphone output. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-power amplifier section, AM/FM tuner, multiple input/output terminals, remote control, front panel controls.

Feature	Description
Power Output	100 watts per channel (8 ohms)
Tuner Section	AM/FM with 40 station presets
Audio Inputs	CD, Tape, Phono, Aux
Video Inputs	2 composite video inputs
Speaker Outputs	A/B speaker switching
Headphone Jack	Front panel 1/4" stereo jack
Tone Controls	Bass and treble adjustment
Remote Control	Full function infrared remote
Display	Fluorescent display for source and volume
Power Switch	Main power and standby modes

Installation

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

1. Connect speakers: Use speaker wire to connect to A or B speaker terminals.
2. Connect audio sources: Use appropriate cables for CD player, tape deck, turntable.
3. Connect antenna: Attach FM antenna to 75 ohm terminal, AM loop antenna to AM terminals.
4. Plug into AC power outlet.

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

First-Time Setup

Power on receiver; initialize system settings.

1. Set speaker configuration: Choose A, B, or A+B speaker output.
2. Program radio stations: Use auto-scan to find and store FM/AM stations.
3. Adjust tone controls: Set bass and treble to personal preference.
4. Test all inputs: Verify each source input is working properly.

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

Specifications

• Power Output: 100 watts per channel (8 ohms, 20Hz-20kHz)
• Total Harmonic Distortion: 0.08%
• Frequency Response: 10Hz-100kHz (+1/-3dB)
• Signal-to-Noise Ratio: 100dB
• Tuner Section: FM/AM with 40 presets
• Input Sensitivity: Phono: 2.5mV, CD: 200mV
• Inputs: Phono, CD, Tape, Aux, 2 Video
• Outputs: Tape out, Video out, Speaker A/B
• Power Consumption: 400 watts maximum
• Dimensions: 17-1/8" W x 6" H x 15-3/4" D

Controls and Settings

Front Panel: Power switch, input selector, volume control, tone controls, speaker selector, headphone jack.

Remote Control: Power, input selection, volume, mute, tuner controls, tape monitor.

Input Selection: Phono, CD, Tape, Aux, Video 1, Video 2. Tone Controls: Bass ±10dB, Treble ±10dB. Speaker Selection: A, B, A+B, Off. Display: Source indicator, volume level, tuner frequency.

Connecting Devices

Audio Sources: Phono, CD, Tape, Aux inputs. Video Sources: Video 1 and Video 2 inputs.

1. Turn off receiver before connecting devices.
2. Use quality shielded cables for audio connections.
3. Connect turntable to Phono input only.
4. Use Video inputs for composite video sources.

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

Audio Setup

Optimal sound quality configuration.

1. Speaker placement: Position speakers for best stereo imaging.
2. Tone controls: Adjust bass and treble to room acoustics.
3. Input level matching: Ensure consistent volume between sources.
4. Phono setup: Connect turntable with proper ground wire.
5. Tape monitoring: Use for recording and playback monitoring.

WARNING! Do not short-circuit speaker terminals. Match speaker impedance to receiver capabilities.

Tuner Operation

AM/FM radio reception and programming.

1. Select tuner input: Press TUNER on front panel or remote.
2. Tune stations: Use manual tuning or auto-scan.
3. Store presets: Hold MEMORY button, select preset number.
4. Recall presets: Press numbered preset buttons.
5. FM mode: Choose stereo or mono reception.

Tip: Position FM antenna for best reception, away from large metal objects.

Care & Maintenance

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

CAUTION! Do not use solvents or abrasive cleaners. Keep ventilation openings clear.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Marantz America, Inc. All rights reserved. For support, visit www.marantz.com or contact 1-800-270-2753.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Speaker wires/selector	Check speaker connections; verify speaker selector setting.
Distorted sound	Overload/speakers	Reduce volume; check speaker impedance compatibility.
Poor FM reception	Antenna/position	Reposition FM antenna; check connections.
Remote not working	Batteries/obstruction	Replace batteries; ensure clear path to IR sensor.
Hum or noise	Grounding/cables	Check ground connections; use shielded cables.

Reset: Disconnect power for 30 seconds to reset microprocessor.

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