marantz 7025 manual

The Marantz 7025 is a high-performance audio component featuring advanced digital processing, multiple input/output connections, Dolby Digital and DTS decoding, remote control operation, and premium audio quality. Designed for home theater enthusiasts, it offers comprehensive connectivity options, customizable audio settings, and intuitive controls. Below are key sections covering features, installation, setup, operation, specifications, and troubleshooting.

Features at a Glance

Key components: Digital audio processor, Remote Control, Multiple audio inputs/outputs, Optical/Coaxial digital inputs, Speaker terminals, Headphone jack.

Feature	Description
Digital Inputs	Optical and coaxial digital audio connections
Analog Inputs	RCA line-level audio inputs
Speaker Outputs	5.1 channel speaker terminals
Headphone Jack	3.5mm stereo headphone output
AC Power Input	Standard power connector
Remote Sensor	Infrared receiver for remote control
Power Button	Main power on/off control
Input Selector	Cycles through available audio sources
Volume Control	Master volume adjustment
Display	LED/LCD status and input display

Installation

Unpack and inspect all components. Place unit on stable, well-ventilated surface.

1. Connect speakers: Use appropriate gauge speaker wire to connect front, center, surround, and subwoofer channels.
2. Connect audio sources: Use digital optical/coaxial cables for digital sources, RCA cables for analog sources.
3. Connect subwoofer: Use RCA cable to LFE/subwoofer output.
4. Plug into AC power outlet.

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

First-Time Setup

Power on unit; follow initial setup procedure.

1. Speaker configuration: Access setup menu to configure speaker sizes, distances, and levels.
2. Input assignment: Assign digital/analog inputs to specific source names.
3. Audio calibration: Use built-in test tone generator for proper level matching.
4. Remote programming: Program remote control for system integration.

CAUTION! Ensure all connections are secure before powering on.

Specifications

• Audio Formats: Dolby Digital, DTS, PCM
• Frequency Response: 20Hz - 20kHz (±0.5dB)
• Total Harmonic Distortion: <0.05%
• Signal-to-Noise Ratio: >100dB
• Inputs: 4 digital (2 optical, 2 coaxial), 6 analog
• Outputs: 5.1 channel pre-outs, subwoofer, headphone
• Power Consumption: 45W typical, 0.5W standby
• Dimensions: 17.3" W × 4.3" H × 14.4" D
• Weight: 15.4 lbs

Controls and Settings

Front panel controls: POWER, INPUT SELECT, VOLUME, MENU. Remote control: All front panel functions plus additional features.

Audio Settings: Bass management, crossover frequencies, channel levels, delay settings. System Settings: Input renaming, remote control codes, display brightness. Listening Modes: Stereo, Direct, Dolby Digital, DTS, various DSP modes.

Connecting Devices

Digital sources: Connect DVD/Blu-ray players, game consoles, streaming devices via optical/coaxial digital inputs. Analog sources: Connect CD players, turntables (with phono preamp), tape decks via RCA inputs.

1. Turn off all components before making connections.
2. Use high-quality cables for optimal performance.
3. Assign inputs logically in setup menu for easy selection.

Tip: Label cables for easy identification during setup.

Audio Configuration

Advanced audio settings for optimal performance.

1. Speaker setup: Configure size (large/small), crossover frequency (80Hz recommended).
2. Distance settings: Input speaker distances from listening position.
3. Level calibration: Use SPL meter or built-in test tones for precise level matching.
4. Bass management: Set subwoofer mode and crossover points.
5. Dynamic range: Adjust for night listening or full dynamic impact.

WARNING! Avoid extreme volume levels during initial setup to prevent speaker damage.

Remote Control Operation

Comprehensive remote control with learning capability. Main functions: Power, input selection, volume, mute, menu navigation, transport controls (play, pause, stop), number keys for direct input selection.

Care & Maintenance

Keep unit clean and dust-free. Use soft, dry cloth for cleaning. Avoid liquid cleaners. Ensure proper ventilation around unit.

CAUTION! Unplug unit before cleaning. Do not use abrasive cleaners.

Regulatory Information

FCC compliant: This device complies with Part 15 of FCC rules. CE marked: Conforms to European safety standards. Manufactured under license from Dolby Laboratories. DTS and DTS Digital Surround are registered trademarks. For support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Input selection/volume	Check input selection; verify volume level; ensure speakers connected
No remote function	Batteries/obstructions	Replace batteries; ensure clear path to sensor; check remote mode
Distorted audio	Source/connection issues	Check source material; verify cable connections; reduce volume
No digital audio	Input assignment/cables	Verify digital input assignment; check optical/coaxial cables
Unit won't power on	Power connection	Check AC power cord; verify outlet function; check power switch

Reset: Disconnect power for 30 seconds, then reconnect.

Service: Contact authorized Marantz service center for repairs.