Denon PMA-915R Service Manual

The Denon PMA-915R is a high-quality integrated amplifier designed for audiophiles. It features a robust power output, advanced circuitry, and a variety of inputs to accommodate different audio sources. This manual provides essential information regarding 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. Playing Audio Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Integrated amplifier, multiple audio inputs, remote control, tone control, and headphone output.

Feature	Description
Power Output	High-quality sound with robust power delivery
Audio Inputs	Multiple inputs for various audio sources
Tone Control	Adjustable bass and treble settings
Headphone Output	For private listening
Remote Control	Convenient control from a distance

Installation

Unpack and inspect contents. Place on a stable surface.

Connect audio sources: Use RCA cables for input connections.
Connect speakers: Ensure polarity is correct when connecting.
Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the amplifier; follow on-screen prompts if applicable.

Set input source: Use the input selector to choose your audio source.
Adjust volume: Set to a comfortable listening level.
Configure tone settings: Adjust bass and treble as desired.

CAUTION! Ensure stable surface; avoid placing near heat sources.

Specifications

Power Output: 70 watts per channel (8 ohms).
Frequency Response: 5 Hz to 100 kHz.
Input Impedance: 47 kΩ.
Signal-to-Noise Ratio: 100 dB.
Dimensions: 434 mm x 151 mm x 360 mm.
Weight: 8.5 kg.
Power Supply: AC 120V, 60Hz.

Controls and Settings

Access controls via the front panel or remote. Key controls include volume, input selector, and tone adjustments.

Remote: Volume, input selection, mute, and tone controls.

Connecting Devices

Connect audio sources using RCA cables. Ensure all devices are powered off before connecting.

Match cables to ports correctly.
Power on devices after connections are made.

Tip: Use high-quality cables for optimal sound quality.

Playing Audio Media

Supports various audio formats through connected devices.

Select input source: Use the input selector to choose your audio source.
Adjust volume: Set to a comfortable listening level.
Enjoy your music!

WARNING! Avoid excessive volume to prevent speaker damage.

Accessibility Features

Remote control allows for easy access to all functions, making it user-friendly for individuals with mobility challenges.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; avoid liquids or aerosols.

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

This product complies with FCC regulations for Class B digital devices. For support, visit the official Denon website or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Incorrect input/source	Check input selection and connections.
Distorted sound	Overdriven volume	Reduce volume level.
Remote not working	Batteries	Replace batteries in remote.
Device not powering on	Power connection	Check power cable and outlet.

Reset: Refer to the manual for reset instructions if available.

Service: Contact Denon customer support for assistance.