Contents

PRECAUTIONS & SAFETY INSTRUCTIONS
SETUP & ADJUSTMENT
- 1-1. GETTING STARTED
- 1-2. SETUP
- 1-3. CONTROLS & ADJUSTMENTS
- 1-4. ADJUSTMENT
GENERAL OPERATION
- 2-1. PLAYING A SOURCE * On the front panel, VCR 1, CD or LD can be selected directly by
- 2-2. RECORDING A SOURCE TO AUDIO/VIDEO TAPE (OR DUBBING FROM A TAPE TO ANOTHER)
- 2-3. DIGITAL SOUND FIELD PROGRAMS
- 2-4. SELECTING SOUND FIELD PROGRAMS
- 2-5. MUTING THE EFFECT SOUND
- 2-6. SUPERIMPOSED VIDEO PROGRAM/PARAMETER DISPLAY
- 2-7. DESCRIPTIONS OF THE SOUND FIELD PROGRAMS
- 2-8. REMOTE CONTROL LEARNING FUNCTION
CREATING YOUR OWN SOUND FIELDS
- 3-1. SELECTING AND EDITING PROGRAM PARAMETERS
- 3-2. DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS
TROUBLESHOOTING
SPECIFICATIONS

Yamaha DSP-A990 Operation Manual

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Yamaha DSP-A990 Amplifier Specification

The Yamaha DSP-A990 is a high-performance amplifier designed to enhance audio experiences with its sophisticated digital sound processing capabilities. It features a robust build, delivering a dynamic power output suitable for diverse audio setups. The amplifier supports a variety of surround sound formats, including Dolby Pro Logic, which allows for immersive multi-channel audio playback. Its total harmonic distortion is minimized to ensure clear and precise sound reproduction.

The DSP-A990 is equipped with multiple input and output options, facilitating seamless integration with various audio and video devices. It includes six-channel inputs, allowing for direct connection to external decoders or DVD players equipped with discrete outputs. Its versatile connectivity also supports optical and coaxial digital inputs, providing flexibility for both contemporary and legacy audio sources.

The amplifier boasts advanced DSP modes that offer a range of acoustic environments, simulating venues such as concert halls and theaters to enrich the listening experience. Its user-friendly interface includes a detailed on-screen display and remote control, making it easy to navigate and customize settings. The front panel features a clear layout with intuitive controls for volume, input selection, and sound field adjustments.

Designed with high-quality components, the Yamaha DSP-A990 ensures durability and optimal performance. It incorporates a large power supply and heat sinks to maintain stable operation and prevent overheating during extended use. The amplifier's aesthetic design complements its technical prowess, featuring a sleek and modern look that fits elegantly in home audio systems. Overall, the Yamaha DSP-A990 amplifier is engineered to deliver powerful and refined sound, catering to audiophiles seeking both functionality and superior audio quality.

Yamaha DSP-A990 Amplifier F.A.Q.

How do I connect my Yamaha DSP-A990 Amplifier to my TV?

To connect your Yamaha DSP-A990 Amplifier to your TV, use an RCA cable. Connect the audio output from your TV to the audio input on the amplifier. Make sure to select the appropriate input source on the amplifier to hear the TV audio.

What should I do if there's no sound coming from the speakers?

First, ensure that the amplifier is powered on and the correct input source is selected. Check the speaker connections to ensure they are secure. Also, verify that the speakers are functional by testing them with another device.

How can I optimize the sound quality on my DSP-A990?

To optimize sound quality, adjust the equalizer settings to match your room acoustics and personal preference. Use the DSP modes to enhance audio output based on the content type. Make sure your speakers are positioned correctly for the best sound distribution.

What maintenance steps are recommended for the Yamaha DSP-A990 Amplifier?

Regularly dust the exterior with a soft, dry cloth and ensure the ventilation openings are unobstructed. Periodically check and tighten all connections. Avoid placing the amplifier in direct sunlight or humid environments to prevent damage.

How do I reset the DSP-A990 to its factory settings?

To reset the DSP-A990 to factory settings, turn off the amplifier, then press and hold the 'Preset/Tuning' and 'A/B/C/D/E' buttons simultaneously while turning the power back on. Release the buttons when 'Preset Memory' appears on the display.

Why does my amplifier overheat, and how can I prevent it?

Overheating can occur if the amplifier is in a poorly ventilated area. Ensure there is adequate space around the unit for air circulation. Avoid stacking other equipment on top of it, and make sure the cooling fans are operational.

Can I use my DSP-A990 with Bluetooth devices?

The DSP-A990 does not have built-in Bluetooth. However, you can use a Bluetooth audio adapter connected to one of the auxiliary inputs to stream audio from Bluetooth-capable devices.

What should I check if the remote control is not working?

First, replace the batteries in the remote control. Ensure there are no obstacles between the remote and the amplifier's sensor. If the remote still doesn’t work, try resetting it by removing the batteries and pressing all buttons before reinserting the batteries.

How do I update the firmware on the Yamaha DSP-A990?

The Yamaha DSP-A990 does not support firmware updates via user intervention. It is recommended to check Yamaha's official website or contact customer support for any available updates or service options.

What are the common troubleshooting steps for distorted sound?

Check all cable connections for damage or loose connections. Ensure the speakers are not damaged and are compatible with the amplifier. Adjust the volume levels to ensure they are not set too high, which can cause distortion.