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NATURAL SOUND DIGITAL SOUND FIELD PROCESSING AMPLIFIER DSP-A780

DSP

PRO LOGIC

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CONTENTS

PRECAUTIONS & SAFETY INSTRUCTIONS ....................Inside Front Cover

SETUP & ADJUSTMENT..................................................................................3
1-1. GETTING STARTED.................................................................................3
1-2. SETUP .......................................................................................................8
1-3. CONTROLS & ADJUSTMENTS.............................................................16
1-4. ADJUSTMENT.........................................................................................20

GENERAL OPERATION.................................................................................24
2-1. PLAYING A SOURCE .............................................................................24
2-2. RECORDING A SOURCE TO AUDIO/VIDEO TAPE

(OR DUBBING FROM A TAPE TO ANOTHER)....................................25

2-3. DIGITAL SOUND FIELD PROGRAMS ..................................................28

2-4. SELECTING SOUND FIELD PROGRAMS............................................28
2-5. MUTING THE EFFECT SOUND ............................................................28
2-6. SUPERIMPOSED VIDEO PROGRAM/PARAMETER

DISPLAY..................................................................................................28

2-7. DESCRIPTIONS OF THE SOUND FIELD PROGRAMS ......................29

CREATING YOUR OWN SOUND FIELDS ....................................................33
3-1. SELECTING AND EDITING PROGRAM PARAMETERS ....................33
3-2. DESCRIPTIONS OF THE DIGITAL SOUND FIELD

PARAMETERS........................................................................................35

TROUBLESHOOTING ....................................................................................37
SPECIFICATIONS ...........................................................................................38

OPERATION MANUAL

DIGITAL SOUND FIELD PROCESSING AMPLIFIER

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Summary of Contents for DSP -A780

Page 1: ...RECORDING A SOURCE TO AUDIO VIDEO TAPE OR DUBBING FROM A TAPE TO ANOTHER 25 2 3 DIGITAL SOUND FIELD PROGRAMS 28 2 4 SELECTING SOUND FIELD PROGRAMS 28 2 5 MUTING THE EFFECT SOUND 28 2 6 SUPERIMPOSED VIDEO PROGRAM PARAMETER DISPLAY 28 2 7 DESCRIPTIONS OF THE SOUND FIELD PROGRAMS 29 CREATING YOUR OWN SOUND FIELDS 33 3 1 SELECTING AND EDITING PROGRAM PARAMETERS 33 3 2 DESCRIPTIONS OF THE DIGITAL SOUND...

Page 2: ...the manufacturer 13 Nonuse Periods The power cord of the unit should be unplugged from the outlet when left unused for a long period of time 14 Object and Liquid Entry Care should be taken so that objects do not fall into and liquids are not spilled into the inside of the unit 15 Damage Requiring Service The unit should be serviced by qualified service personnel when A The power supply cord or the...

Page 3: ...as indicated in the instructions contained in this manual meets FCC requirements Modifications not expressly approved by Yamaha may void your authority granted by the FCC to use the product 2 IMPORTANT When connecting this product to accessories and or another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instructions Failure ...

Page 4: ... your system and the DSP system will sonically transform your room into a wide range of listening environments anything from a famous concert hall to a cozy jazz club In addition you get incredible realism from Dolby Surround encoded video sources using the built in Dolby Pro Logic Surround Decoder Rather than tell you about the wonders of digital sound field processing however let s get right dow...

Page 5: ...ll be used for many of this unit s control operations you should begin by installing the supplied batteries 1 Turn the remote control unit over and remove the battery compartment cover by pulling it in the direction of the white arrow on the figure shown below 2 Insert the batteries R6 AA UM 3 type being careful to align them with the polarity markings on the inside of the battery compartment 3 Cl...

Page 6: ...he 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 What s more our technicians armed with sophisticated measuring equipment have even made it possible to capture the acoustics of a variety of actual concert halls jazz clubs theaters etc from around the world to allow you to acc...

Page 7: ...n by the Dolby Pro Logic technology is added to sound fields which are precisely recreated on the basis of actual acoustic environments by the DSP technology so it is suitable for any Audio Video source with video image This combination is used on sound field programs No 5 through No 14 and No 16 The YAMAHA CINEMA DSP logo indicates these programs created by the combination of Dolby Pro Logic and ...

Page 8: ...stem it is recommended to use the center speaker unit If for some reason it is not practical to use a center speaker it is possible to enjoy movie viewing without it Best results however are obtained with the full system 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 Subwoof...

Page 9: ...aximum output of the DSP system Place the MAIN SPEAKERS in the normal position Place the REAR EFFECT SPEAKERS behind your listening position They should be nearly six feet up from the floor Place the CENTER SPEAKER precisely between the two MAIN 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 ...

Page 10: ...8 1 2 SETUP Before you start making connections make sure all related electronic components are turned OFF REAR PANEL SINGLE DUAL SINGLE 10dB 0dB To AC outlet 1 2 3 7 4 5 6 8 9 0 A General Model ...

Page 11: ... output to this jack 6 Main Level Switch Normally set to 0 dB If desired you can decrease the main channel output level at the MAIN speaker terminals by 10 dB by setting this switch to 10 dB 7 Center Speaker Terminals Connect one or two center speakers here 8 Rear Effect Speaker Terminals Connect the rear effect speakers here 9 Voltage Selector General Model only Be sure to set to the line voltage...

Page 12: ...fier and each channel connect the plus terminal of the amplifier to the plus terminal of the speaker and connect the minus terminal of the amplifier to the minus terminal of the speaker To keep track of polarity use a speaker cable that has one of the two wires marked by a stripe or a different color AUDIO OUT LINE OUT LINE IN CD player Tape deck Video disc player Tuner Video cassette recorder 2 V...

Page 13: ...your video equipment employs U S A and Canada models have no switch and use the NTSC standard while other models without a switch use the PAL standard Notes about the Video superimpose If you watch a video source that is connected to both S VIDEO and VIDEO input jacks of this unit signals of screen display information are output from only the S VIDEO MONITOR OUT jack When no video signal is input ...

Page 14: ... and or speakers NOTE Use speakers with the specified impedance shown on the rear of this unit For connecting to the MAIN and CENTER SPEAKERS terminals Red positive Black negative Unscrew the knob Insert the bare wire Remove approx 5mm 1 4 insulation from the speaker wires Tighten the knob and secure the wire NOTE Banana Plug connections are also possible except for Scandinavian models Simply inse...

Page 15: ... SPEAKER S TO THIS UNIT Connect the CENTER speaker to the CENTER SPEAKERS terminals One or two CENTER speakers can be connected to this unit For the respective connections follow the methods figured below If however you will not be using a CENTER speaker be sure to set the Center Mode to PHNTM phantom See page 22 For connecting one CENTER speaker SINGLE DUAL SINGLE Center speaker Main speakers R L...

Page 16: ...der 200 Hz from the main and center channels 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 Center speaker SINGLE DUAL SINGLE Center speaker DUAL SINGLE 10dB 0dB Subw...

Page 17: ...lifier for driving rear effect speakers or center speaker to this unit connect it to the corresponding line output jack s REAR OUTPUT or CENTER OUTPUT of this unit in the same way See Figure NOTE Even if an external power amplifier is connected to the MAIN REAR or CENTER OUTPUT jacks the corresponding internal amplifier will not be turned off and output will be available at the speaker terminals 1...

Page 18: ... indicator is half illuminated 2 Remote control sensor Signals from the remote control unit are received here 3 Input Trim Control Adjusts the input level of each source respectively 4 Display Panel Shows program names parameters and information about other various settings and adjustments NATURAL SOUND DIGITAL SOUND FIELD PROCESSING AMPLIFIER DSP A780 DSP PRO LOGIC 1 2 3 4 5 6 7 8 F E D C B A 0 9...

Page 19: ...e The source connected to these jacks can be selected by the input selector switch A Rec Out Switch Used to select the source to be recorded to tape deck or VCR independent of the selection of input source When pressed the indicator corresponding to the currently selected source to be recorded flashes While an indicator is flashing you can change the selection of the source to be recorded with the...

Page 20: ...rough 16 5 Test Switch When pressed sends a signal to the main left center main right and rear effect speakers in turn for easy comparison of level settings 6 Set Menu Parameter Keys Edit DSP program parameters make settings adjustments in the SET MENU mode or used in the main center effect speaker level balance adjustment 7 Effect On Off Key Cuts off the sound s output from the rear effect and ce...

Page 21: ...ners designed for remote control compatibility Selects higher preset station number Selects lower preset station number A B C D E Selects the page A E of preset stations 0 Input Selector Keys Select the input sources to this unit A Master Volume Keys Increase or decrease the master volume level B Muting Key Mutes the master volume level by 20 dB While muting the indicator on the master VOLUME cont...

Page 22: ...ust the center speaker level by pressing the SET MENU PARAMETER keys For adjusting the rear effect speaker level Press the SET MENU PARAMETER Select key SURROUND LEVEL dB appears on the display and the test tone is output from the rear effect speakers In this state adjust the rear effect speaker level by pressing the SET MENU PARAMETER keys Adjust each speaker level so that the sound coming from t...

Page 23: ...rol to a convenient listening level you will use this as your reference level 4 Select any other source in your system VCR tuner etc and play that source 5 Adjust the level of the source to be approximately equal to your CD player s reference level by using the INPUT TRIM control This adjustment can also be done with the remote control unit For using the remote control unit refer to 1 Input level ...

Page 24: ...the same as that of regular CDs For operations after selecting the item INPUT TRIM in step 1 select the input source on which the input level is to be adjusted by using the input selector switches and then adjust the input level in step 2 This adjustment can also be done with the INPUT TRIM control on the front panel see page 21 2 Selecting Center Mode CENTER MODE NRML WD PHNTM In Normal NRML posi...

Page 25: ...GUARD If you wish to prevent accidental alteration to DSP parameters or other adjustments on this unit select ON In this position they are locked and cannot be changed The following functions on this unit can be locked by this operation DSP parameters Other setting adjustment items in the SET MENU mode INPUT TRIM CENTER MODE DIMMER INPUT TRIM control TEST switch 23 ...

Page 26: ... 5 Increase the setting of the MASTER VOLUME control to your listening level Adjust the BASS TREBLE BALANCE controls etc or select a desired sound field program See page 28 NOTE If a different audio source is selected with the input selector keys on the remote control unit while enjoying a video source the sound from the newly selected audio source is heard but the picture from the video source ca...

Page 27: ...e gained after 5 seconds automatically without any operation 4 Select an input source to be played and to be recorded See page 24 for the method of input source selection Front panel Remote Control 5 Play the source 6 Set the tape deck or VCR used for recording to the recording mode Adjust the recording level on the tape deck or VCR NOTE To record picture from a video source and sound from another...

Page 28: ...to be recorded stops flashing The same result will be gained after 5 seconds automatically without any operation 4 Play the source and confirm it by selecting it with an input selector switch and increasing the setting of the MASTER VOLUME control Front panel 5 Set the tape deck or VCR used for recording to the recording mode Adjust the recording level on the tape deck or VCR 6 While recording a s...

Page 29: ...d to provide only S video or only composite video signals you can record only a S video or only a composite video signal on your second VCR NOTE Please check the copyright laws in your country to record from records compact discs radio etc Recording of copyright material may infringe copyright laws If you watch a video software that uses scramble or encoded signals to prevent it from being dubbed ...

Page 30: ...To mute the effect sound and monitor only the main sound press the EFFECT switch Press the EFFECT switch a second time to restore normal operation 2 6 SUPERIMPOSED VIDEO PROGRAM PARAMETER DISPLAY You can select program names and edit parameters watching their data displayed on your video monitor screen and superimposed over the video image as described on page 5 1 Turn your monitor on 2 Program na...

Page 31: ...s from all directions emphasize the extension of sounds You will experience the sound field with a great deal of presence sitting at about the center position near the stage This sound field is also effective for karaoke This is because you feel as if you are standing on a real stage 2 CHURCH A church in Tokyo shaped like a cross There is the altar at the upper side of the cross and a pipe organ a...

Page 32: ...he use of the data of a concert hall You will not be tired from long watching of an opera 7 CLASSIC FILM This program is for reproducing monaural video sources old movies etc Monaural sounds are reproduced with much presence by the front presence side of the sound field and optimum reverberation effect The use of the center speaker makes conversations more audible obtaining a pleasant mix of conve...

Page 33: ...ntator is oriented at the center position and the shouts and the atmosphere in the stadium spreads on the surround side however spreading of them to the rear side is properly restrained 11 GAME The sound field of a disco is used for the front presence side and the sound field of a concert hall in Vienna is used for the rear surround side This program reproduces video game music etc more vividly em...

Page 34: ...15 PRO LOGIC The digital Dolby Pro Logic decoder reproduces sounds and sound effects of a source encoded in Dolby Surround The realization of a highly efficient decoding process improves crosstalk and channel separation and makes sound positioning smoother and more precise 16 PRO LOGIC ENHANCED This program ideally simulates the multi surround speaker systems of the 35 mm film theater Surround sig...

Page 35: ...an one surface walls ceiling the back of the room so numerous that they merge together to form a continuous sonic afterglow They are non directional and lessen the clarity of the direct sound Direct sound early reflections and subsequent reverberation taken together help us to determine the subjective size and shape of the room and it is this information that the DSP system reproduces in order to ...

Page 36: ...usic Refer to 3 2 DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS on page 35 for a description of what each parameter does how it effects the sound and its control range 1 With the desired program selected press the SET MENU PARAMETER Select key on the remote control unit once This will recall the first parameter In the case of the CONCERT HALL program for example this would be the INIT DLY par...

Page 37: ... for a small value Large values for a big room Larger values produce an echo effect 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 Early reflections are the first group of reflections you hear before the subsequent dense reverberation begins C...

Page 38: ...b time in a small to medium size hall would be between 1 and 2 and in a large hall it is normally between 2 and 3 EFCT TRIM Effect Trim Performs fine adjustment of the level of all the effect sounds Control Range 3 dB to 3 dB DELAY Adjusts the delay between the direct sounds at the main left center and main right channels and the effect sounds at the front effect and rear effect channels The large...

Page 39: ...to the component connected to the Turn the power to the component on or sound is distorted REC OUT jacks of this unit is off DSP parameters or other settings on this The MEMORY GUARD function is Turn the MEMORY GUARD OFF unit cannot be changed set ON Left rear and right rear channels not This is normal operation and is an exact balanced in certain digital sound field duplication of the actual data...

Page 40: ...an 2 3V Output Level Impedance REC OUT 150 mV 1 kΩ LOW PASS fc 200 Hz EFFECT OFF 4 0V 1 8 kΩ Headphone Jack Rated Output Impedance Output Level 8Ω 1kHz 0 03 THD 0 2V Impedance 100Ω Frequency Response 20 Hz 20 kHz CD TUNER TAPE LD VCR AUX to MAIN L R SP OUT 0 0 5 dB Total Harmonic Distortion CD TUNER TAPE LD VCR AUX to SP OUT 30W 8Ω MAIN L R 20 Hz 20 kHz Less than 0 02 10W 8Ω REAR L R 1 kHz Less th...

Page 41: ...z Australia and U K models AC 240V 50 Hz Europe model AC 230V 50 Hz General model AC 110 120 220 240V 60 50 Hz Power Consumption U S A Australia Europe U K and General models 230W Canada model 230W 320 VA AC Outlets 2 SWITCHED OUTLETS U S A and Canada models 120W max total General model 100W max total 1 SWITCHED OUTLET Australia Europe and U K models 100W max 1 UNSWITCHED OUTLET U S A and Canada m...

Page 42: ...25462 RELLINGEN BEI HAMBURG F R OF GERMANY 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 YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205...

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