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DSP-A970

DSP-A970

CONTENTS

SAFETY INSTRUCTIONS ............................. Inside Front Cover
SETUP & ADJUSTMENT  .......................................................... 3
1-1.GETTING STARTED  ........................................................... 3
1-2.SETUP ................................................................................ 10
1-3.CONTROLS & ADJUSTMENTS  ....................................... 18
1-4.ADJUSTMENT ................................................................... 22
GENERAL OPERATION  ......................................................... 27
2-1.PLAYING A SOURCE ........................................................ 27
2-2.RECORDING A SOURCE TO AUDIO/VIDEO TAPE

(OR DUBBING FROM A TAPE TO ANOTHER) ............... 28

2-3.DIGITAL SOUND FIELD PROGRAMS  ............................. 30
2-4.SELECTING SOUND FIELD PROGRAMS  ...................... 30
2-5.MUTING THE EFFECT SOUND  ....................................... 31
2-6.SUPERIMPOSED VIDEO PROGRAM/PARAMETER

DISPLAY ............................................................................ 31

2-7.DESCRIPTIONS OF THE SOUND FIELD PROGRAMS .... 32
2-8.REMOTE CONTROL “LEARNING” FUNCTION .............. 37
CREATING YOUR OWN SOUND FIELDS ............................ 39
3-1.SELECTING AND EDITING PROGRAM PARAMETERS .... 39
3-2.DESCRIPTIONS OF THE DIGITAL SOUND FIELD

PARAMETERS .................................................................... 41

TROUBLESHOOTING ............................................................. 44
SPECIFICATIONS ................................................................... 45

DIGITAL SOUND FIELD
PROCESSING AMPLIFIER

OPERATION MANUAL

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Summary of Contents for DSP-A970

Page 1: ...HER 28 2 3 DIGITAL SOUND FIELD PROGRAMS 30 2 4 SELECTING SOUND FIELD PROGRAMS 30 2 5 MUTING THE EFFECT SOUND 31 2 6 SUPERIMPOSED VIDEO PROGRAM PARAMETER DISPLAY 31 2 7 DESCRIPTIONS OF THE SOUND FIELD PROGRAMS 32 2 8 REMOTE CONTROL LEARNING FUNCTION 37 CREATING YOUR OWN SOUND FIELDS 39 3 1 SELECTING AND EDITING PROGRAM PARAMETERS 39 3 2 DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS 41 TROUBLES...

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: ...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 to ...

Page 4: ...e 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 Seven built in channels of amplification on the DSP A970 mean that no additional amplifiers are required to enjoy advanced digital sound field processing Rather than tell you ab...

Page 5: ... unit will 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 slide the battery compartment cover downward in the direction of the arrow 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 Close the battery compartment co...

Page 6: ...trol transmitter to work incorrectly In this case reposition the main unit to avoid direct lighting Digital Sound Field Processing What is it that makes live music so good Today s advanced sound reproduction technology lets you get extremely close to the sound of a live performance but chances are you ll still notice something missing the acoustic environment of the live concert hall Extensive res...

Page 7: ...omatic input balance control This always assures you the best performance without manual adjustment Manufactured under license from Dolby Laboratories Licensing Corporation Additionally licensed under one or more of the following patents U S number 3 950 590 Canadian numbers 1 004 603 and 1 037 877 Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation D...

Page 8: ...is still performed but the main speakers are used for both the main channels and the front effect channels Use of the Center Dialog Speaker Is Recommended With digital sound field programs No 7 through No 12 by using either the Directional Enhancement circuit or the Dolby Pro Logic decoder decoded signals will be output from the center channel Therefore if you want to upgrade the Audio Video home ...

Page 9: ... 25 6 Speaker System Good for sound fields from 2 channel stereo sources With sound field programs No 1 through No 6 a sound effect matching that of a 7 speaker system can be obtained The addition of front left and right effect speakers produces a more effective sound field FRONT MIX switch Set to OFF See page 12 Center Mode Set to PHNTM See page 25 7 Speaker System This is the recommended speaker...

Page 10: ... them Place the MAIN SPEAKERS in the normal position Place the FRONT EFFECT SPEAKERS further apart than the MAIN SPEAKERS on either side of and a few feet behind and above the MAIN SPEAKER pair 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...

Page 11: ...out other various settings and adjustments on your video monitor s screen This information will be superimposed over the video image If there is no video source connected or it is turned off the information will be displayed over a blue colored background but no video signal is input to this unit NOTE The program titles parameter data and other information are also displayed on the display panel o...

Page 12: ...all related electronic components are turned OFF REAR PANEL CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE 10 General Model ...

Page 13: ...nt channel amplifier connect the front effect speakers here 7 Center Speaker Terminals When using the built in center channel amplifier connect one or two center speakers here 8 Center Speaker Impedance Switch Set to A B when using two center speakers or to A or B when using only one center speaker 9 Rear Effect Speaker Terminals When using the built in rear channel amplifier connect the rear effe...

Page 14: ...r system and it s a good idea to do it before you connect cables Locate the MAIN LEVEL slide switch C and FRONT MIX slide switch B below the EFFECT terminal group Make sure the MAIN LEVEL switch is set to 0 dB and that the FRONT MIX switch is set to OFF for 7 or 6 speaker driving In a 5 or 4 speaker system set the FRONT MIX switch to ON Next set the NTSC PAL switch A to the position corresponding ...

Page 15: ...lish CONNECTING AUDIO VIDEO SOURCE EQUIPMENTS TO THIS UNIT CD player Video disc player TV Satellite tuner Video cassette recorder 1 Video cassette recorder 2 Tuner Tape deck 1 Tape deck 2 Turntable Monitor TV ...

Page 16: ...L switch has been correctly set to the standard that your video equipments employ 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 ...

Page 17: ...ENTER speaker connect it to either the A or B terminals and set the CENTER speaker impedance switch to A or B bottom position If using two CENTER speakers connect them to the A and B terminals and set the switch to A B top position If however you will not be using a CENTER speaker be sure to set the Center Mode to PHNTM phantom See page 25 15 English Main speaker Main speaker Center speaker Center...

Page 18: ...ve are fine for most applications If for some reason however you wish to use an external power amp for any or all of the effect channels connect the line level output jack s for each channel to the INPUT jacks of the external amp and connect the corresponding speaker pair to the speaker terminals of the external amp NOTE If the pin plug is inserted in the FRONT REAR EFFECT out jacks the speaker ou...

Page 19: ...akers with wire of the proper gauge cut as short as possible If the connections are faulty no sound will be heard from the speakers Make sure that the polarity of the speaker wires is correct that is and markings are observed If these wires are reversed the sound will be unnatural and will lack bass Do not let the bare speaker wires touch each other or any other metal part as this could damage thi...

Page 20: ...to the STANDBY mode In this mode the indicator is half illuminated 2 Remote control sensor Signals from the remote control unit are received here 3 Pro Logic Decoder Indicator Illuminates while the built in Dolby Pro Logic Surround Decoder is being activated 4 Sound Field Processor Indicator Illuminates while the built in Sound Field Processor is being activated General Model ...

Page 21: ...caused by speaker positions or listening room conditions B 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 input selector switches T...

Page 22: ...ower Key Turns this unit on and off Europe model only Turns the POWER on mode to the STANDBY mode and vice versa 4 Input Selector Keys Select the input sources to this unit 5 CD LD Function Keys Operate functions on your Yamaha CD player and LD player When the 1 2 Switch is set to 1 they operate the CD player and when set to 2 they operate the LD player 6 Test Switch When pressed sends a signal to...

Page 23: ...E Muting Key Mutes the master volume level by 20 dB While muting the indicator on the master VOLUME control flashes on and off continuously G Parameter Keys Edit DSP program parameters or used for five types of settings adjustments in the SET MENU mode H Master Volume Keys Increase or decrease the master volume level I Parameter Set Menu Switch When set to the PARAMETER position the Parameter Sele...

Page 24: ...ion If there is insufficient volume from the effect speakers you may decrease the main speaker volume level by setting the MAIN LEVEL switch on the rear panel to 10 dB and adjust the center and rear level again Volume controls on external power amplifiers may also be adjusted if necessary to achieve proper balance 3 For the front effect speaker level adjustment depress the TEST switch on the remot...

Page 25: ...trol to a convenient listening level you will use this as your reference level 4 Select any other source in your system VCR turntable 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 5 Input l...

Page 26: ...T 4 MEMORY GUARD 5 INPUT LVL TRIM SETTING ADJUSTMENT PROCEDURE As described on page 9 you can perform these settings and adjustments watching the information displayed on the monitor screen or superimposed over the video image So to use this function first turn the monitor on 1 Set the PARAMETER SET MENU switch to the SET MENU position on the remote control unit 2 Select an item title of setting a...

Page 27: ...audio signals for the center channel are output to the main speakers 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 Adjustment s...

Page 28: ...her adjustments MEMORY 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 CENTER MODE CENTER GEQ PARAMETER INIT INPUT LVL TRIM ON SCREEN display ke...

Page 29: ...e source 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 29 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 s...

Page 30: ...OUT SOURCE appears on the display panel and the monitor screen Front panel 3 Press the REC OUT switch so that the indicator corresponding to the selected source to be recorded stops flashing The same result will be gained after 5 seconds automatically without any operation 4 Select an input source to be played and to be recorded See page 27 for the method of input source selection 5 Play the sourc...

Page 31: ... 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 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 source you c...

Page 32: ... scramble or encoded signals to prevent it from being dubbed there may be a case that display information superimposed on the picture and or the picture itself is disturbed according to the type of the signals 2 3 DIGITAL SOUND FIELD PROGRAMS This unit has 12 programs for digital sound field processing 6 from actual acoustic environments from around the world and 6 programs for Audio Video sources...

Page 33: ...of the corresponding program once If the display type is a simplified display or no display press the key twice 2 5 MUTING THE EFFECT SOUND The EFFECT switch on the front panel and the EFFECT ON OFF key on the remote control unit make it simple to compare the normal stereo sound with the fully processed effect sound To mute the effect sound and monitor only the main sound press the EFFECT ON OFF k...

Page 34: ...y little reflection from the right and left walls and sounds spread finely and beautifully Hall B in Europe This is a large shoe box type concert hall with approximately 2500 seats Almost the whole interior except the ceiling is made of wood including mahogany reflective panels Special reflective paneling above the stage produces strong frontal reflections which tend to reinforce the direct sound ...

Page 35: ...like a cross There is the altar at the upper side of the cross and a pipe organ at the opposite side the lower side of the cross It is a very unique shape with walls all leaning inside and pillars standing by the side of walls only The sound field has moderate reverberations of which time is 2 5 seconds 5 ROCK CONCERT The Roxy Theatre The ideal program for lively dynamic rock music The data for th...

Page 36: ...g on a live stage 8 TV THEATER 2 Drama The data of the sound field of a relatively narrow space is used for the front presence side A moderately sized spatial sound field without excessive sound extension and reverberations gives reality to the characters in a drama The data of the sound field of an opera house is used for the rear surround side In a stereo program background music is reproduced m...

Page 37: ...urround side so the image space around the screen and the sound space are fully expanded 10 VIDEO THEATER Fantasy Powerful reverberations on the front presence side of the sound field adds depth to the image so expanding the image space On the rear surround side sounds are reproduced lightly but vividly The sound field of this program matches image effects of animated films regardless of the genre...

Page 38: ...horus sounds beautifully in a wide space at the rear of the sound field 12 DOLBY PRO LOGIC SURROUND Reproduces video discs video tapes and similar sources which are Dolby Surround encoded and bear the DOLBY SURROUND logo Normal 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 improve...

Page 39: ...T MENU switch will select the learning page number 1 or 2 instead of the 1 2 switch Learning a New Remote Control Function 1 Select the learning page number 1 or 2 by using the 1 2 switch 2 Set the YPC USER LEARN switch to LEARN 3 Aim the infrared transmitter window of the other remote control unit 4 Press the key that is to have a new function assigned to it The TRANSMIT LEARN indicator will illu...

Page 40: ... be erased until the TRANSMIT LEARN indicator flashes on and off three times Erasing All Learned Functions 1 Set the YPC USER LEARN switch to LEARN 2 Use the point of a pencil or other similar object to press and hold the CLEAR button 3 Press and hold any key until the TRANSMIT LEARN indicator flashes on and off seven times NOTE All of the memorized functions will be retained while you replace the...

Page 41: ...e than 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...

Page 42: ...ur personal sound field allowing you to essentially redesign the concert halls and rooms provided to create custom tailored listening environments that ideally match your mood and music Refer to 3 2 DESCRIPTIONS OF THE DIGITAL SOUND FIELD PARAMETERS on page 41 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 ...

Page 43: ...y How it Affects the Sound Changes the apparent distance from the source sound Since the distance between a sound source and a reflective surface determines the delay between the direct sound and the first reflection this parameter changes the location of the sound source within the acoustic environment What it Does Adjusts the delay between the direct sound and the first reflection heard by the l...

Page 44: ...ly reflections decay Control Range 0 10 REV TIME Reverberation Time How it Affects the Sound The natural reverberation time of a room depends primarily on its size and the characteristics of its inner surfaces This parameter therefore changes the apparent size of the acoustic environment over an extremely wide range What it Does Adjusts the amount of time it takes for the level of the dense subseq...

Page 45: ...e based on the disparity constituent which includes most of the indirectional sound constituent sound diffusion to the rear speakers is obtained Therefore directional enhancement is an especially effective processing option for vocal or operas With monaural sound sources almost all sounds are output from the center speaker instead of the left and right main speakers Selectable levels OFF MIN MID M...

Page 46: ...cuit short circuit etc DSP parameters or other settings on this The MEMORY GUARD function is Turn the MEMORY GUARD OFF unit cannot be changed set ON The sound field cannot be recorded It is not possible to record the sound field on a tape deck connected to this unit s TAPE REC OUT jacks The remote control unit does not function Dead batteries Replace batteries properly Wrong distance or angle The ...

Page 47: ...Hz 0 01 THD More than130 mV Output Level Impedance REC OUT PHONO MM 150 mV 1 kΩ PRE OUT FRONT L R REAR L R 1V 1 2 kΩ LOW PASS fc 200 Hz EFFECT OFF 4 0V 3 3 kΩ Headphone Jack Rated Output Impedance Output Level 8Ω 1kHz 0 03 THD 0 19V Impedance 100Ω Frequency Response 20 Hz 20 kHz CD TUNER TAPE LD VCR TV DBS AUX 0 1 0 dB RIAA Equalization Deviation PHONO MM 0 0 5 dB Total Harmonic Distortion PHONO M...

Page 48: ... 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 models 180W max General model 200W max Dimensions W x H x D 435 x 151 5 x 408 5 mm 17 1 8 x 5 15 16 x 16 1 16 Weight 14 kg 30 lbs 13 oz Specifications are subject to change without notice YAMAHA ELECTRONICS CORPORATION USA 6660...

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