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Yamaha DSP-A990 Operation Manual
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Yamaha DSP-A990 Operation Manual

Digital sound field processing amplifier
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FRONT
D
S
P
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A
9
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D
S
P
-
A
9
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REAR
200m
CINEMA DSP
7ch
NATURAL SOUND DIGITAL SOUND FIELD PROCESSING AMPLIFIER DSP-A990
INPUT SELECTOR
VCR I
CD
LD
PRO LOGIC
DECODER
TV/DBS
SOUND FIELD
PROCESSOR
PHONO
L
R
FRONT
–200m
REAR
FRONT
DIGITAL SOUND FIELD PROCESSING AMPLIFIER / OPERATION MANUAL
AMPLIFICATEUR DE TRAITEMENT DE CHAMP SONORE NUMERIQUE / MODE D'EMPLOI
–200m
REAR
200m
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DIGITAL-KLANGFELDVERSTÄRKER / BEDIENUNGSANLEITUNG
DIGITAL LJUDFÄLTSFÖRSTÄRKARE / BRUKSANVISNING
AMPLIFICATORE DIGITALE DI PROCESSAMENTO DEL CAMPO SONORO / LIBRETTO D'ISTRUZIONI
L
AMPLIFICADOR DE PROCESAMIENTO DE CAMPO DE SONIDO DIGITAL / MANUAL DE INSTRUCCIONES
BEDIENINGSHANDLEIDING VOOR DIGITALE GELUIDSVELDPROCESSING-VERSTERKER

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Summary of Contents for Yamaha DSP-A990

  • Page 1 FRONT REAR 200m CINEMA DSP NATURAL SOUND DIGITAL SOUND FIELD PROCESSING AMPLIFIER DSP-A990 INPUT SELECTOR VCR I PRO LOGIC DECODER TV/DBS SOUND FIELD PROCESSOR PHONO FRONT –200m REAR FRONT DIGITAL SOUND FIELD PROCESSING AMPLIFIER / OPERATION MANUAL AMPLIFICATEUR DE TRAITEMENT DE CHAMP SONORE NUMERIQUE / MODE D’EMPLOI –200m...
  • Page 2 Congratulations! You are the proud owner of a Yamaha Digital Sound Field Processing (DSP) System—an extremely sophisticated audio component. The DSP system takes full advantage of Yamaha’s undisputed leadership in the field of digital audio processing to bring you a whole new world of listening experiences.

  • Page 3: Precautions & Safety Instructions

    5. DO NOT OPEN THE UNIT OR ATTEMPT REPAIRS OR MODIFICATIONS YOURSELF This product contains no user-serviceable parts. Refer all maintenance to qualified Yamaha service personnel. Opening the unit and/or tampering with the internal circuitry will make servicing difficult and will endanger you and your unit.

  • Page 4: Table Of Contents

    PRECAUTIONS & SAFETY INSTRUCTIONS ...1 SETUP & ADJUSTMENT ...3 1-1. GETTING STARTED...3 1-2. SETUP...10 1-3. CONTROLS & ADJUSTMENTS ...20 1-4. ADJUSTMENT ...24 GENERAL OPERATION...28 2-1. PLAYING A SOURCE...28 2-2. RECORDING A SOURCE TO AUDIO/VIDEO TAPE (OR DUBBING FROM A TAPE TO ANOTHER)...29 2-3.

  • Page 5: Setup & Adjustment

    SETUP & ADJUSTMENT 1-1. GETTING STARTED Unpacking If you haven’t already done so, carefully remove this unit and its accessories from the box and wrapping material.You should find the unit itself and the following accessories. Batteries Remote control User program sheets Installing the Remote Control Unit Batteries Since the remote control unit will be used for many of this unit’s control operations, you should begin by installing the supplied...
  • Page 6 Extensive research into the exact nature of the sonic reflections that create the ambience of a large hall has made it possible for Yamaha engineers to bring you this same sound in your own listening room, so you’ll feel all the sound of a live concert.
  • Page 7 This combination is used on sound field programs No. 8 through No. 11, and “Enhanced DOLBY PRO LOGIC” of No. 12. CINEMA DSP The YAMAHA “CINEMA DSP” logo indicates these programs are created by the combination of Dolby Pro Logic and YAMAHA DSP technology.
  • Page 8 Video superimpose If you connect your video cassette recorder, video disc player, video monitor, etc. to this unit, you can take advantage of this unit’s capability to display program titles, parameter data and information about other various settings and adjustments on your video monitor’s screen.
  • Page 9 It is also possible to further expand your system with the addition of a subwoofer and amplifier.You may wish to choose the convenience of a Yamaha Active Servo Processing Subwoofer System, which has its own built-in power amp.

  • Page 10: Speaker System

    Four Possible Types of Speaker System Configurations Recommended 4 Speaker System Simplest system. You can enjoy widely diffused sound by only adding two additional speaker units at the rear. FRONT MIX switch—Set to ON. (See page 13.) Center Mode—Set to PHNTM. (See page 26.) 5 Speaker System 6 Speaker System...
  • Page 11 SPEAKERS. (To avoid interference, keep the speaker above or below the television monitor, or use a magnetically shielded speaker.) If using a SUBWOOFER, such as a Yamaha Active Servo Subwoofer System, the position of the speaker is not so critical because low bass tones are not highly directional.

  • Page 12: Setup

    1-2. SETUP Before you start making connections make sure all related electronic components are turned OFF. REAR PANEL AUX 1 PHONO 3 4 5 COUPLER SPEAKERS MAIN —I0dB MAIN 0dB LEVEL MIN./SPEAKER MIN./HAUT– PARLEUR TV/DBS PRE OUT MAIN CH MAIN IN FRONT FRONT CENTER...
  • Page 13 Audio Signal Connection Jacks (for Audio Source Equipment) Connect the inputs and/or outputs of your audio equipment. Audio/Video Signal Connection Jacks (for Video Source Equipment) Connect the audio and video inputs and/or outputs of your video equipment. In place of the VIDEO jacks, the S VIDEO jacks can be used for higher resolution and improved picture quality if your VCR, monitor, etc.
  • Page 14 Low Pass Jack When using a subwoofer, connect its amplifier input to this jack. Frequencies below 200 Hz from the left main, right main and center channels are output to this jack. Center Out Jack Center-channel line output. Not connected when the built-in amplifier is used.
  • Page 15 REAR PANEL SWITCH AND CONTROL SETTINGS There are several switches and controls on the rear panel that you’ll have to check before operating your system, and it’s a good idea to do it before you connect cables. Locate the MAIN LEVEL slide switch (3) and FRONT MIX slide switch (D).
  • Page 16 CONNECTING AUDIO/VIDEO SOURCE EQUIPMENT TO THIS UNIT * If you have YAMAHA components numbered as 1, 2, 3, etc. on the rear panel, connections can be made easily by making sure to connect the output (or input) terminals of each component to the same-numbered terminals of this unit.
  • Page 17 CONNECTING TO S VIDEO JACKS If your video cassette recorder, video disc player, etc. and your monitor are equipped with “S” (high-resolution) video terminals, connect them to this unit’s S VIDEO jacks, and connect this unit’s S VIDEO MONITOR OUT jack to the “S” video input of your monitor. Otherwise, connect the composite video jacks from your video cassette recorder, video disc player, etc.
  • Page 18 For connecting with a monitor TV that uses a 21 pin connector for input (for Europe and U.K. models) Make a connection as figured below with a commercially available scart-plug connector cable. Monitor TV CONNECTING SPEAKER SYSTEMS Connect the SPEAKERS terminals to your speakers with wire of the proper gauge, cut as short as possible.
  • Page 19 CONNECTING THE MAIN SPEAKERS TO THIS UNIT Connect the MAIN speakers to the MAIN speaker output terminals of this unit. Make sure that the jumper bars between the PRE OUT and MAIN IN jacks on the rear panel are in place. It is also possible to use an external power amplifier if more power is desired.
  • Page 20 CONNECTING THE EFFECT SPEAKERS AND THE CENTER SPEAKER(S) TO THIS UNIT Connect the FRONT effect speakers to the FRONT effect speaker output terminals of this unit. If the FRONT effect speakers are not used, the FRONT MIX switch should be set to “ON”. Connect the REAR effect speakers to the REAR effect speaker output terminals of this unit.
  • Page 21 Connect the LOW PASS jack to the INPUT jack of the subwoofer amplifier, and connect the speaker terminals of the subwoofer amplifier to the subwoofer. With some subwoofers, including the Yamaha Active Servo Processing Subwoofer System, the amplifier and subwoofer are in the same unit.

  • Page 22: Controls & Adjustments

    1-3. CONTROLS & ADJUSTMENTS FRONT PANEL Power Switch * STANDBY Mode While the power is on, pressing the POWER key on the remote control unit switches the unit to the STANDBY mode. (In this mode, the power indicator is half illuminated.) Power Indicator Lights up while the power is on.
  • Page 23 Remote Control Sensor Signals from the remote control unit are received here. Input Source Indicators Shows the currently selected input source by lights up the corresponding indicator. Input Selector Switch Sequentially selects the input source that you want to listen to and/or watch in the direction.
  • Page 24 YPC/USER/LEARN Switch Set to YPC for operating this unit and Yamaha Audio/Video units. Set to USER for using learned key functions. Set to LEARN for learning new control functions. (See page 38.) (“YPC”...
  • Page 25 Tuner Function Keys Operate Yamaha tuner functions. Tape Deck Function Keys Operate Yamaha tape deck functions. 1/2 Switch When the YPC/USER/LEARN Switch is set to YPC, this switches the CD/LD Function Keys to keys for use with either the CD player or LD player.

  • Page 26: Adjustment

    1-4. ADJUSTMENT MAIN/CENTER/EFFECT SPEAKER LEVEL BALANCE ADJUSTMENT This operation uses an internal test-tone generator for balancing the levels of the main, center and effect speakers. 1. Depress the TEST switch on the remote control so that “TEST DOLBY SUR.” appears on the display panel to enter test mode. A hiss-like calibration signal should be heard from the left main speaker, center speaker(s), right main speaker and rear effect speakers in turn (see diagram).
  • Page 27 INPUT LEVEL ADJUSTMENT This adjustment is important for obtaining the best performance from the internal circuits of this unit. The optimum input level of this unit is pre-adjusted on the basis of the CD source level. This adjustment should be performed on all input sources in your system respectively, so that their levels match the CD source level as closely as possible.
  • Page 28 OTHER IMPORTANT SETTINGS AND ADJUSTMENTS IN THE “SET MENU” MODE Make the following five types of settings and adjustments before enjoying audio and video sources. Note that these settings and adjustments cannot be done without monitoring the display information (or the information displayed on the monitor screen). 1.
  • Page 29 2. Adjusting Center Channel Graphic Equalizer (CENTER GEQ) The built-in five band graphic equalizer is used to tailor, over a ±6 dB range, the overall output frequency response of the center channel. The five bands cover the complete audible sound spectrum and are centered on 100 Hz, 300 Hz, 1 kHz, 3 kHz and 10 kHz frequencies.

  • Page 30: General Operation

    GENERAL OPERATION 2-1. PLAYING A SOURCE 1. Set the master VOLUME control to minimum. Front panel 2. Turn the power on. Front panel 3. Select an input source. (The selected source is shown by the display panel, the monitor screen and illumination of the corresponding input source indicator on the front panel.) Front panel INPUT SELECTOR...

  • Page 31: Recording A Source To Audio/Video Tape (Or Dubbing From A Tape To Another)

    2-2. RECORDING A SOURCE TO AUDIO/VIDEO TAPE (OR DUBBING FROM A TAPE TO ANOTHER) To record the input source 1. Press the REC OUT switch (so that “REC OUT ... ” appears on the display and the monitor screen). Front panel 2.
  • Page 32 To record a source other than the input source This unit has a function of selecting a source to be recorded to tape deck or VCRs independent of the selection of input source. 1. Press the REC OUT switch (so that “REC OUT ... ” appears on the display and the monitor screen).

  • Page 33: Digital Sound Field Programs

    NOTE: Adjusting the master VOLUME, BASS, TREBLE controls, etc., or selecting a sound field program has no effect on the material being recorded. NOTE: Composite video and S video signals pass independently through this unit’s video circuits. Therefore, when recording or dubbing video signals between two video cassette recorders, if your source VCR is connected to provide only S video (or only composite video) signals, you can record only a S video (or only a composite...

  • Page 34: Muting The Effect Sound

    3. All sound field programs except CHURCH have two “sub- programs” (see “2-7. DESCRIPTIONS OF THE SOUND FIELD PROGRAMS”). The sub-programs are selected using the Parameter +/– keys on the remote control unit. The CONCERT HALL 1 program, for example, contains the sub-programs “Hall A in Europe”...

  • Page 35: Descriptions Of The Sound Field Programs

    2-7. DESCRIPTIONS OF THE SOUND FIELD PROGRAMS The following list gives brief descriptions of the sound fields produced by each of the DSP programs. Keep in mind that most of these are precise digital recreations of actual acoustic environments. The data for them was recorded at the locations described using sophisticated sound field measurement equipment.
  • Page 36 3. CONCERT HALL 3 Hall E in Europe: A classic large shoe-box type concert hall with approximately 2200 seats. It has a circular stage and seats located behind the stage. Live Concert: A large round concert hall with a rich surround effect.
  • Page 37 7. ENTERTAINMENT Stadium: This program gives you long delays between direct sounds and effect sounds, and extraordinarily spacious feel of a large stadium. Disco: This program recreates the acoustic environment of a lively disco in the heart of a very lively city. The sound is dense and highly concentrated.
  • Page 38 9. CONCERT VIDEO Classical/Opera: This program provides excellent depth of vocals and overall clarity, restraining excessive reverberation. For opera, the orchestra pit and the stage are ideally combined, letting you feel a full presence sound. The rear surround side of the sound field is relatively moderated, however, it reproduces beautiful sound by the use of the data of a concert hall.You...
  • Page 39 11. MOVIE THEATER Ideal for reproducing video discs, video tapes and similar sources which are Dolby Surround encoded and bear the “DOLBY SURROUND” logo. 70 mm Adventure: This program is ideal for precisely reproducing the sound design of the newest movies. The sound field is made according to the design of the newest movie theaters, so the reverberations of the sound field itself are restrained as...

  • Page 40: Remote Control "Learning" Function

    The remote control unit, in addition to controlling the most commonly used functions of the main unit and other connected Yamaha audio and video equipment, has a sophisticated “learning” function that allows it to control other equipment in your system or other household appliances equipped with infrared remote control receivers.
  • Page 41 NOTE: The originally preset function of a key is still available in the USER position if the key does not learn a new function. NOTE: If there is no more room in the memory area for a function to be learned, the TRANSMIT/LEARN indicator will flash on and off eight times.

  • Page 42: Creating Your Own Sound Fields

    In each program, those parameters are preset with values precisely calculated by Yamaha to create the sound field unique for the program. It is recommended to use DSP programs without changing values of parameters, however, this unit also allows you to create your own sound fields.
  • Page 43 In addition to the “TYPE” parameter which selects the sub- programs within each sound field program (e.g. “Hall A in Europe” and “Hall B in Europe” for program 1, “CONCERT HALL 1”), each program also has a set of parameters that allow you to change the characteristics of the acoustic environment to create precisely the effect you want.

  • Page 44: Descriptions Of The Digital Sound Field Parameters

    3-2. DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS Not all of the following parameters are found in every program. ROOM SIZE How it Affects the Sound: Changes the apparent size of the music venue. The larger the value, the larger the simulated room will sound. What it Does: Adjusts the timing between the early reflections.
  • Page 45 LIVENESS How it Affects the Sound: This parameter changes the apparent reflectivity of the walls in the hall. The early reflections from a sound source will lose intensity (decay) much faster in a room with acoustically absorbent wall surfaces than in one which has mostly reflective surfaces. A room with highly reflective surfaces in which the early reflections decay slowly is termed “live”, while a room with absorbent characteristics in which the reflections decay rapidly is termed “dead”.
  • Page 46 DIR. ENHANCEMENT (Directional Enhancement) This circuit emphasizes the position of sound. If this circuit is activated, the unity constituent of the input left and right channels (those signals which are common to the left and right channels) will be output from the center speaker, and the disparity constituent of the left and right signals (the difference between the left and right channels) will be output from the surround speakers.

  • Page 47: Troubleshooting

    TROUBLESHOOTING POSSIBLE CAUSE PROBLEM AC cord not properly plugged in. Power does not come on. Bad cable connection. Hum. Bad or incorrect input connection. No sound. Incorrect input source selection. The EFFECT switch is set off. No sound from the effect speakers. The DOLBY PRO LOGIC program is being used with material not encoded with Dolby Surround.

  • Page 48: Specifications

    Minimum RMS Output Power Per Channel Main (20 Hz – 20 kHz 0.015% THD 8Ω/6Ω) ... 60W+60W/75W+75W Center (20 Hz – 20 kHz 0.015% THD 8Ω/6Ω) ... 60W/75W Front Effect (1 kHz 0.03% THD 8Ω/6Ω) ...22W+22W/25W+25W Rear Effect (1 kHz 0.03% THD 8Ω/6Ω) ... 22W+22W/25W+25W DIN Standard Output Power Per Channel [Europe and Singapore models] (1 kHz 0.7% THD 4 ) ...
  • Page 49 Video Section Video Signal Type [Australia, Europe and U.K. models] ... PAL [Singapore Model] ...NTSC [General Model] ... NTSC/PAL Video Signal Level ... 1 Vp-p/75 S-Video Signal Level Y ... 1 Vp-p/75 C ... 0.286 Vp-p/75 Maximum Input Level ... More than 1.5 Vp-p Signal-to-Noise Ratio ...
  • Page 50 YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN VT 92200 Printed in Japan YAMAHA MUSIC AUSTRALIA PTY, LTD.

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