DSP-A970
DIGITAL SOUND FIELD PROCESSING AMPLIFIER
OPERATION MANUAL
CONTENTS |
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SAFETY INSTRUCTIONS ............................. |
Inside Front Cover |
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SETUP & ADJUSTMENT .......................................................... |
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1-1.GETTING STARTED ........................................................... |
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1-2.SETUP ................................................................................ |
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1-3.CONTROLS & ADJUSTMENTS ....................................... |
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1-4.ADJUSTMENT ................................................................... |
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GENERAL OPERATION ......................................................... |
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2-1.PLAYING A SOURCE ........................................................ |
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2-2.RECORDING A SOURCE TO AUDIO/VIDEO TAPE |
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(OR DUBBING FROM A TAPE TO ANOTHER) ............... |
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2-3.DIGITAL SOUND FIELD PROGRAMS ............................. |
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2-4.SELECTING SOUND FIELD PROGRAMS ...................... |
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2-5.MUTING THE EFFECT SOUND ....................................... |
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2-6.SUPERIMPOSED VIDEO PROGRAM/PARAMETER |
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DISPLAY ............................................................................ |
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2-7.DESCRIPTIONS OF THE SOUND FIELD PROGRAMS .... |
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2-8.REMOTE CONTROL “LEARNING” FUNCTION .............. |
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CREATING YOUR OWN SOUND FIELDS ............................ |
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3-1.SELECTING AND EDITING PROGRAM PARAMETERS .... |
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3-2.DESCRIPTIONS OF THE DIGITAL SOUND FIELD |
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PARAMETERS .................................................................... |
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TROUBLESHOOTING ............................................................. |
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SPECIFICATIONS ................................................................... |
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PRECAUTIONS & SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK), NO USER-SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
• Explanation of Graphical Symbols
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
IMPORTANT!
Please record the serial number of this unit in the space below.
Model:
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future reference.
SAFETY INSTRUCTIONS
1Read Instructions – All the safety and operating instructions should be read before the unit is operated.
2Retain Instructions – The safety and operating instructions should be retained for future reference.
3Heed Warnings – All warnings on the unit and in the operating instructions should be adhered to.
4Follow Instructions – All operating and other instructions should be followed.
5Water and Moisture – The unit should not be used near water – for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc.
6Carts and Stands – The unit should be used only with a cart or stand that is recommended by the manufacturer.
6A A unit and cart combination should be moved with care. Quick
stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn.
7 Wall or Ceiling Mounting – The unit should be mounted to a wall or ceiling only as recommended by the manufacturer.
8Ventilation – The unit should be situated so that its location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a builtin installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.
9Heat – The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat.
10Power Sources – The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit.
11Power-Cord Protection – Powersupply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit.
12Cleaning – The unit should be cleaned only as recommended by the manufacturer.
13Nonuse Periods – The power cord of the unit should be unplugged from the outlet when left unused for a long period of time.
14Object 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.
15Damage Requiring Service – The unit should be serviced by qualified service personnel when:
A.The power-supply cord or the plug has been damaged;
or
B.Objects have fallen, or liquid has been spilled into the unit;
or
C.The unit has been exposed to rain;
or
D.The unit does not appear to operate normally or exhibits a marked change in performance;
or
E. The unit has been dropped, or the cabinet damaged.
16Servicing – The user should not attempt to service the unit beyond those means described in the operating instructions. All other servicing should be referred to qualified service personnel.
17Power Lines – An outdoor antenna should be located away from power lines.
18Grounding or Polarization – Precautions should be taken so that the grounding or polarization is not defeated.
PRECAUTIONS
1To ensure the finest performance, please read this manual carefully. Keep it in a safe place for future reference.
2Install your unit in a cool, dry, clean place – away from windows, heat sources, and too much vibration, dust, moisture or cold. Avoid sources of hum (transformers, motors). To prevent fire or electrical shock, do not expose to rain and water.
3Do not operate the unit upside-down. It may overheat, possibly causing damage.
4Never open the cabinet. If a foreign object drops into the set, contact your dealer.
5Do not use force on switches, knobs or cords. When moving the set, first turn the unit off. Then gently disconnect the power plug and the cords connecting to other equipment. Never pull the cord itself.
6Do not attempt to clean the unit with chemical solvents; this might damage the finish. Use a clean, dry cloth.
7Always set the volume control to “∞– ” while lowering the tonearm to play a record; turn the volume up with the stylus in the groove.
8Be sure to read the “Troubleshooting” section on common operating errors before concluding that your unit is faulty.
9Do not connect audio equipment to the AC outlets on the rear panel if that equipment requires more power than the outlets are rated to provide.
We Want You Listening
For A Lifetime
YAMAHA and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion – and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries
Association’s Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.
FCC INFORMATION
1.IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!
This product, when installed 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 to follow instructions could void your FCC authorization to use this product in the USA.
3.NOTE : This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of
this product in a residential environment will not result in harmful interference with other electronic devices.
This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices.
Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following measures:
Relocate either this product or the device that is being affected by the interference.
Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to coaxial type cable.
If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA 90620.
The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries.
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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. Follow the instructions in this manual carefully when setting up 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.
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 about the wonders of digital sound field processing, however, let’s get right down to the business of setting up the system and trying out its many capabilities. Please read this operation manual carefully and store it in a safe place for later reference.
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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.
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 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 Remote control them with the polarity markings on the inside of the battery
compartment.
Batteries |
User program sheets |
3. Close the battery compartment cover.
English
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●When you notice that remote control operation has become erratic, or the distance from which the remote control will function has decreased, it’s time to replace the batteries. Always replace all batteries at the same time.
●Make sure that the YPC/USER/LEARN switch on the remote control unit is set to the YPC or USER position for normal operation.
●This remote control uses an advanced, highly directional infrared beam. Be sure to aim the remote control directly at the remote control sensor on the main unit when operating.
Remote control transmitter operation range
Remote control sensor
Within approximately 7 m (23 feet)
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Notes
●There should be no large obstacles between the remote control transmitter and the main unit.
●If the remote control sensor is directly illuminated by strong lighting (especially an inverter type of fluorescent lamp etc.), it might cause the remote control 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 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. 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 accurately recreate any one of these live performance environments, all in your own home.
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Dolby Pro Logic Surround
The Dolby Pro Logic Surround Decoder program lets you experience the dramatic realism and impact of Dolby Surround movie theater sound in your own home. Dolby Pro Logic gets its name from its professional-grade steering logic circuitry, which provides greater effective channel separation for a much higher degree of realism than the “passive” Dolby Surround circuits found in today’s typical home audio/video equipment. Dolby Pro Logic Surround provides a true center channel, so that there are four independent channels, unlike passive Dolby Surround, which has in effect only three channels: left, right, and rear. This center channel allows listeners seated in even less-than-ideal positions to hear the dialog originating from the action on the screen while experiencing good stereo imaging.
This Dolby Pro Logic Surround Decoder employs a digital signal processing system. This system improves the stability of sound at each channel and crosstalk between channels, so that positioning of sounds around the room is more accurate compared with conventional analog signal processing systems.
In addition, this unit features a built-in automatic 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.
Dolby Pro Logic Surround + DSP
You can also enjoy Dolby Pro Logic with two modes of Digital Sound Field Processing. These combinations expand the surround effect of Dolby Pro Logic. One is the sound field program “Enhanced DOLBY PRO LOGIC SURROUND”, which recreates the surround effect of the 35 mm film movie theater. The other is the combination of Dolby Pro Logic and the sound field program “MOVIE THEATER”, which recreates the listening experience of a 70 mm film theater.
The YAMAHA “CINEMA DSP” logo indicates these programs created by the combination of Dolby Pro Logic and YAMAHA DSP technology.
Directional Enhancement Circuit + DSP
The YAMAHA directional enhancement (DIR. ENHANCEMENT) circuit expands and focuses the digital sound field.
This effect puts you in the midst of the action, while centering and focusing your attention to the screen. This circuit is available on Sound Field programs “TV THEATER 1”, “TV THEATER 2”, “CONCERT VIDEO” and “VIDEO THEATER”.
English
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Setting Up Your Speaker System
This unit has been designed to provide the best sound field quality with a full seven-speaker system setup, using two extra pairs of effect speakers to generate the sound field plus one center speaker for dialog, when using Dolby Pro Logic Surround decoding. We therefore recommend that you use a seven-speaker setup. A four-speaker system using only one pair of effect speakers for the sound field will still provide impressive ambience and effects, however, and may be a good way to begin with this unit.You can always upgrade to the full seven speaker system later. In the 4 or 5 speaker system, the Digital Sound Field Processing 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 theater system, 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 Subwoofer System, which has its own built-in power amp.
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Four Possible Types of Speaker System Configurations Recommended
4 Speaker System |
5 Speaker System |
6 Speaker System |
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Simplest system.
You can enjoy widely diffused sound by only adding two additional speaker units at the rear.
Good for Audio/Video sources and Dolby Pro Logic Surround.
With sound field programs No. 7 through No. 12, which utilize the center speaker effect, more precise center localization can be obtained.
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 ON. |
FRONT MIX switch—Set to ON. |
FRONT MIX switch—Set to OFF. |
(See page 12.) |
(See page 12.) |
(See page 12.) |
Center Mode—Set to PHNTM. |
Center Mode—Set to NRML or WD. |
Center Mode—Set to PHNTM. |
(See page 25.) |
(See page 25.) |
(See page 25.) |
7 Speaker System |
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This is the recommended speaker system, providing the best sound effects.
With sound field programs No. 1 through No. 6, using both sets of effect speakers (front and rear), reproduces the most effective sound field. With the sound field programs No. 7 through No. 12, the center speaker provides precise center localization.
FRONT MIX switch—Set to OFF. (See page 12.)
Center Mode—Set to NRML or WD. (See page 25.)
7
Speakers and Speaker Placement |
NOTE: The Yamaha NS-C110 speaker, available in some countries, |
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is an ideal choice for the center speaker. |
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Your full seven-speaker system will require three speaker pairs: |
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the MAIN SPEAKERS (your normal stereo speakers), the FRONT |
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EFFECT SPEAKERS, and the REAR EFFECT SPEAKERS, plus the |
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CENTER SPEAKER.You may also be using a subwoofer. |
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You will probably use your present stereo speakers as the MAIN |
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SPEAKER pair. The front effect, rear effect do not need to be equal |
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with the MAIN SPEAKERS, although the center speaker should be |
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as close as possible. They should have enough power handling |
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capacity to accept the maximum output of the DSP system or the |
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external amps that will drive them. |
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Place the MAIN SPEAKERS in the normal position. |
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Place the FRONT EFFECT SPEAKERS further apart than the |
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MAIN SPEAKERS, on either side of and a few feet behind and above |
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the MAIN SPEAKER pair. |
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Place the REAR EFFECT SPEAKERS behind your listening |
Main speaker |
Effect speaker |
Center speaker |
position. They should be nearly six feet up from the floor. |
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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 a Yamaha Active Servo Subwoofer System, the position of the speaker is not so critical because low bass tones are not highly directional.
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. 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 of this unit.
English
9
1-2. SETUP
Before you start making connections make sure all related electronic components are turned OFF.
REAR PANEL
(General Model)
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.
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1Audio Signal Connection Jacks (for Audio Source Equipment) Connect the inputs and/or outputs of your audio equipment.
2Audio/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. are equipped with S-VIDEO connectors.
3Front Effect Out Jacks
Front-channel line output. Not connected when the built-in amplifier is used. Can be connected to input jacks of an external stereo power amplifier driving the front effect speakers.
4Rear Effect Out Jacks
Rear-channel line output. Not connected when the built-in amplifier is used. Can be connected to input jacks of an external stereo power amplifier driving the rear effect speakers.
5Main Speaker Terminals
When using this unit’s built-in main-channel amplifier, connect the main speakers here.
6Front Effect Speaker Terminals
When using the built-in front-channel amplifier, connect the front effect speakers here.
7Center Speaker Terminals
When using the built-in center-channel amplifier, connect one or two center speakers here.
8Center Speaker Impedance Switch
Set to “A + B” when using two center speakers, or to “A or B” when using only one center speaker.
9Rear Effect Speaker Terminals
When using the built-in rear-channel amplifier, connect the rear effect speakers here.
0GND Terminal
Connects the ground wire of the turntable to produce minimum hum. In some cases, however, better results may be obtained with the ground wire disconnected.
AVideo NTSC/PAL Switch (General Model only)
Set this switch to the position corresponding to the standard that your video equipment employs.
BFront Mix Switch
Set to “OFF” when setting up a full 7 or 6 speaker system, or to “ON” when setting up a 5 or 4 speaker system.
CMain Level Switch
Normally set to “0 dB”. If desired, you can decrease the mainchannel output level at the MAIN speaker terminals by 10 dB by setting this switch to “–10 dB”.
DLow 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.
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EVoltage Selector (General Model only)
Be sure to set to the line voltage in your area before applying power. Consult your dealer if unsure of the correct setting.
FSwitched AC Outlets
You may plug other audio components into these sockets as long as their combined power consumption does not exceed the specified value shown. “Switched” means that these components are turned on and off by this unit’s power switch.
GUnswitched AC Outlet (U.S.A., Canada and General Models) The total power consumption of audio components plugged into this socket should not exceed the specified value shown.
“Unswitched” means that power is available even when this unit is off.
NOTE: If an external power amplifier is connected to the front effect or rear effect output jacks, the corresponding internal amplifier will be turned off and no output will be available at the speaker terminals.
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 (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 to the standard which your video equipments employ. (General Model only)
General Instructions for Connections
Make sure that you have the left (L) and right (R) channels correctly connected. That means that jacks marked “L” on this unit must be connected to jacks marked “L” on other units. Likewise with the “R” jacks. This is easy if you remember to always use the red plug for the “R” jacks and the other plugs for the “L” jacks.
With speaker connections you must also be sure that the polarity is correct. For each amplifier 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.
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CONNECTING AUDIO/VIDEO SOURCE EQUIPMENTS TO THIS UNIT
CD player
Tuner
Tape deck 1
Tape deck 2
Turntable
Monitor TV
English
Video disc player
TV/Satellite tuner
Video cassette recorder 1
Video cassette recorder 2
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