Marantz PM5003 Manual

The Marantz PM5003 is a high-quality stereo integrated amplifier featuring 45 watts per channel, high-current power supply, discrete power amplifier configuration, high-speed HDAM modules, analog mode for pure sound, gold-plated connectors, and multiple input options. Below are key sections for features, installation, operation, specifications, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operation Guide 8. Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: High-current power supply, discrete power amplifier, HDAM modules, gold-plated connectors, multiple input options.

Feature	Description
Power Output	45 watts per channel (8 ohms, 20Hz-20kHz)
HDAM Modules	High-speed discrete amplifier modules for superior sound
Analog Mode	Pure analog signal path for audio sources
Inputs	CD, Tuner, Phono, Aux, Tape
Outputs	Speaker A/B, Tape Out, Headphone
Power Supply	High-current toroidal transformer
Connectors	Gold-plated RCA inputs and outputs
Remote Control	Included for convenient operation
Protection Circuit	Overload and short-circuit protection
Dimensions	440 x 128 x 345 mm (W x H x D)

Installation

Unpack and inspect contents. Place on stable, level surface with adequate ventilation.

Connect speakers: Use speaker wire to connect to Speaker A/B terminals.
Connect audio sources: Use RCA cables to connect CD player, turntable, etc.
Connect power: Plug into AC power outlet.
Connect headphones: Use front panel headphone jack for private listening.

WARNING! Ensure proper ventilation around amplifier. Do not block ventilation openings.

First-Time Setup

Power on amplifier; follow these initial setup steps.

Speaker connection: Connect speakers to Speaker A or B terminals.
Source connection: Connect audio sources to appropriate inputs (CD, Phono, etc.).
Power connection: Connect to AC power and turn on power switch.
Input selection: Use INPUT SELECTOR to choose desired source.
Volume adjustment: Start with volume at minimum and gradually increase.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Power Output: 45W + 45W (8Ω, 20Hz-20kHz)
Total Harmonic Distortion: 0.02%
Frequency Response: 10Hz-50kHz (+1/-3dB)
Input Sensitivity: CD: 200mV, Phono: 2.5mV
Signal-to-Noise Ratio: CD: 100dB, Phono: 87dB
Inputs: CD, Tuner, Phono, Aux, Tape
Outputs: Speaker A/B, Tape Out, Headphone
Power Consumption: 230W maximum
Dimensions: 440 x 128 x 345 mm (W x H x D)
Weight: 7.8 kg

Controls and Settings

Front Panel: Power switch, Volume control, Input selector, Speaker A/B switches, Headphone jack.

Remote Control: Power, Input selection, Volume control, Mute.

Input Selection: CD, Tuner, Phono, Aux, Tape. Speaker Selection: A, B, A+B. Volume Control: Analog potentiometer. Tone Controls: Bass and Treble adjustment available.

Connecting Devices

Audio Sources: CD player, Turntable, Tuner, Tape deck, Auxiliary devices.

Turn off amplifier before connecting devices.
Use high-quality RCA cables for audio connections.
Connect turntable to Phono input (if equipped with magnetic cartridge).
Connect CD player to CD input.
Connect tape deck to Tape input/output.

Tip: Use proper speaker wire gauge for your speaker distance.

Operation Guide

Basic operation procedures for optimal performance.

Power on: Turn on power switch; indicator light illuminates.
Source selection: Use INPUT SELECTOR to choose desired source.
Volume control: Adjust volume to desired level.
Speaker selection: Choose Speaker A, B, or both.
Tone adjustment: Use Bass and Treble controls if needed.
Headphone use: Plug headphones into front jack; speakers mute automatically.
Tape recording: Use Tape Out for recording from any source.

WARNING! Avoid maximum volume settings for extended periods.

Maintenance

Unplug before cleaning. Use dry, soft cloth only; no liquids or chemical cleaners.

CAUTION! Do not use abrasive cleaners. Keep away from moisture and extreme temperatures.

Regulatory Information

CE compliant; meets European safety and EMC standards. Manufactured under ISO 9001 quality standards. Copyright © Marantz. For support, visit www.marantz.com or contact authorized Marantz service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Power/speaker connections	Check power connection; verify speaker wires; ensure input selected.
Distorted sound	Overload/connections	Reduce volume; check source connections; verify speaker impedance.
One channel silent	Connection/balance	Check RCA cables; verify speaker connections; check balance control.
Hum or noise	Grounding/cables	Check ground connections; use shielded cables; separate from power cables.
Remote not working	Batteries/obstacles	Replace batteries; ensure line of sight to IR sensor; check remote mode.

Reset: Power cycle amplifier if issues persist.

Service: Contact authorized Marantz service center for technical support.