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Yamaha Ddp1 Manual

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    NATURAL SOUND  DIGITAL  PROCESSOR  DDP–1
    PARAMETER MENU MODE
    TEST
    DDP-1
    NATURAL SOUND DIGITAL PROCESSOR
    CONTENTS
    Safety Instructions  ......................................... 2
    Profile of This Unit  ......................................... 4
    Speaker System Setup  .................................. 5
    Connections ................................................... 6
    Turning On/Off the Power of This Unit  ........... 8
    Table of Functions  ......................................... 9
    Adjustments Before Operation  .................... 10
    Playing an AC-3 Source  .............................. 14
    Adjusting Output Levels  ............................... 14
    Adjusting Delays and Dynamic Range  ........ 16
    Specifications .............................................. 18
    Troubleshooting ........................................... 18
    Block Diagram  ............................................. 19
    OWNER’S MANUAL
    IMPORTANT!
    Please record the serial number of this unit in the
    space below.
    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. 
    						
    							2
    1 Read 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.
    6AA 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.
    7Wall 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 built-in 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 – Power-supply 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.
    SAFETY INSTRUCTIONS
    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.
    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.
    •Explanation of Graphical Symbols
    CAUTION
    WARNING
    TO REDUCE THE RISK OF FIRE OR
    ELECTRIC SHOCK, DO NOT EXPOSE THIS
    UNIT TO RAIN OR MOISTURE. 
    						
    							3
    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.
    FCC INFORMATION (for US customers only)
    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.
    We Want You Listening For A Lifetime (for US customers only)
    Caution: Read this before operating your unit
    1To assure the finest performance, please read this
    manual carefully.  Keep it in a safe place for future
    reference.
    2Install this unit in a cool, dry, clean place – away from
    windows, heat sources, sources of excessive vibration,
    dust, moisture and cold.  Avoid sources of humming
    (transformers, motors).  To prevent fire or electrical
    shock, do not expose the unit to rain and water.
    3Do not operate the unit upside-down.  It may overheat,
    possibly causing damage.
    4Never open the cabinet.  If something drops into the set,
    contact your dealer.
    5Do not use force on switches, controls or connection
    wires.  When moving the unit, first disconnect the power
    plug and the wires connected to other equipment.
    Never pull the wires themselves.
    6Do not attempt to clean the unit with chemical solvents;
    this might damage the finish.  Use a clean, dry cloth.
    7To prevent lightning damage, pull out the power cord
    and remove the antenna cable during an electrical
    storm.
    8When not planning to use this unit for long periods
    of time (ie., vacation, etc.), disconnect the AC power
    plug from the wall outlet.
    9Be sure to read the “TROUBLESHOOTING” section
    regarding common operating errors before concluding
    that the unit is faulty.
    10AC outlet
    Do not connect audio equipment to the AC outlet on the
    rear panel if that equipment requires more power than
    the outlet is rated to provide.
    The apparatus is not disconnected from the AC power
    source as long as it is connected to the wall outlet, even if
    the apparatus itself is turned off. 
    						
    							4
    Thank you for purchasing the Yamaha DDP-1, a sophisticated
    digital sound processor designed specifically for decoding
    Dolby AC-3.
    This unit consists of an AC-3 RF demodulator, an AC-3
    decoder and other original Yamaha functions developed using
    the newest technology to reproduce AC-3 encoded sources
    precisely as movie sound creators intended. AC-3 will lead
    listeners into a totally new sound experience.This unit is equipped with “discrete” terminals for sending AC-3
    multi-channel audio signals individually. The audio amplifier or
    receiver must have “discrete” input terminals to receive the
    signals from the DDP-1. The use of Yamaha RX-V2090, a
    multi-channel audio/video receiver equipped with discrete input
    terminals combined with this unit is an ideal choice for the
    purpose of experiencing AC-3 sound, and this is the best
    system we recommend.
    •Dynamic range (sound scale) of source can be
    changed so that it will be suitable for the listening
    conditions.
    •Output of low bass from any channel can be
    assigned to either the MAIN OUTPUT terminals or
    SUBWOOFER OUTPUT terminal to maximize
    system performance.
    •Output of LFE can be assigned to either the MAIN
    OUTPUT terminals or SUBWOOFER OUTPUT
    terminal to maximize system performance.
    •Test tone generator helps you adjust speaker level
    balance.
    •Center channel output can be sent to the main
    speakers if you do not use a center channel
    speaker.
    •Three types of inputs (AC-3 RF, AC-3 Digital
    Optical and Coaxial) are available for future use.
    Dolby AC-3 is a new generation of multi-channel digital audio
    technology, or the newest spatial sound processing format
    developed for 35 mm film-movies by employing a new kind of
    low bit-rate audio coding.
    Dolby Surround AC-3 is a digital surround sound system that
    provides completely independent multi-channel audio to
    consumers.
    In multi-channel form, Dolby Surround AC-3 provides five full
    range channels in what is sometimes referred to as a “3/2”
    configuration: three front channels (left, center and right), plus
    two surround channels. A sixth bass-only effect channel is also
    provided for output of LFE (low frequency effect), or low bass
    effects that are independent of other channels. This channel is
    counted as 0.1, thus giving rise to the term 5.1 channels in
    total.
    Compared to Dolby Pro Logic that is referred to a “3/1” system
    (left front, center, right front and just one surround channel),
    Dolby Surround AC-3 features two surround channels, called
    stereo or split surrounds, each offering the same full range
    fidelity as the three front channels.Sound of wide dynamic range reproduced by the five full range
    channels presents listeners much excitement that has never
    been experienced before. Precise sound orientation by the
    discrete digital sound processing expands realism that the
    original movie possesses.
    Laser Disc is a home audio format that could benefit from
    Dolby AC-3. In the near future, Dolby AC-3 will also be applied
    to DBS, CATV, DVD and HDTV. The ongoing release of Dolby
    Stereo Digital theatrical films now underway will provide an
    immediate source of AC-3 encoded video software.
    Manufactured under license from Dolby Laboratories Licensing
    Corporation. “Dolby”, “AC-3”, and the double-D symbol  are
    trademarks of Dolby Laboratories Licensing Corporation.
    Copyright 1992 Dolby Laboratories, Inc. All rights reserved.
    PROFILE OF THIS UNIT
    What’s Dolby AC-3?
    Features of this unit 
    						
    							5
    SPEAKER SYSTEM SETUP
    As described on page 4, we recommend you to use this unit
    connecting with the Yamaha RX-V2090. If you have already
    set up a speaker system for the RX-V2090, you do not need to
    prepare a new speaker system for this unit. Some functions on
    this unit have been already preset to be suitable when this unit
    is used with a speaker system for the RX-V2090. (Refer to
    page 10 for details about those functions.) 
    This unit will provide the best performance with a five-speaker
    system setup: one pair of main speakers for main sound
    reproduction, one pair of surround speakers for effect and
    surround sounds and one center speaker for dialog. A simple
    speaker system excluding a center speaker 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 five speaker system later.* For the best performance of the RX-V2090, the system
    needs one more pair of surround speakers at the front
    position. (Refer to the owner’s manual of the RX-V2090 for
    details.)
    Main speakersshould be high performance models and have
    enough power handling capacity to accept the maximum
    output of your system.
    Surround speakersand a center speaker do not have to be
    equal to the main speakers. For precise sound localization,
    however, it is ideal to use high performance models that can
    reproduce sounds in full range.
    If for some reason it is not practical to use a center speaker,
    you can enjoy AC-3 effect without it. Best results, however, are
    obtained with the full system.
    Main:In normal position. (The position of your present
    stereo speaker system.)
    Surround:Behind your listening position, facing slightly
    inward. Nearly six feet (approx. 1.8 m) up from the
    floor.
    Center:Precisely between the main speakers. (To avoid
    interference with TV sets, use a magnetically
    shielded speaker.) Set the center channel mode (C2. CENTER SP.) to the SMLor
    LRGposition. (See page 10.)Set the center channel mode (C2. CENTER SP.) to the
    PHANTOMposition. (See page 10.)
    Speaker placement
    Five-speaker system A simple system without a center speaker
    Main L
    Main R
    Center
    Surround L
    Surround R
    Main L Main RCenter
    Surround L Surround RMain L Main R
    Surround L Surround R
    Speaker system configurations
    Note
    If you will add a subwoofer in your system that includes the RX-V2090, connect the subwoofer to the “LOW PASS” terminal of the
    RX-V2090. In doing so, the overall adjustment of speaker output levels including the subwoofer can be done with the master
    VOLUME control of the RX-V2090. 
    						
    							6
    Note 1)If this unit is connected to the RX-V2090, no
    connection is needed to this terminal. By the output
    mode selections on function C2 to C5, low frequency
    signals including signals from the LFE channel can
    be output from the main L and R speakers. (See
    page 10 for details.)
    If the amplifier has a discrete subwoofer input
    terminal, connect it with this unit’s SUBWOOFER
    OUTPUT terminal.Note 2)Do not connect a normal audio output terminal of a
    laserdisc player etc. to this unit’s AC-3 RF terminal.
    CONNECTIONS
    •Before attempting to make any connections to or from this
    unit, be sure to first switch OFF the power to this unit and to
    any other components to which connections are being made.•When making connections between this unit and other
    components, be sure all connections are made correctly, L
    (left) to L, R(right) to R. Also, refer to the owner’s manual for
    each component to be connected to this unit.
    AC-3 RF OUT
    INPUTOUTPUT
    OPTICAL COAXIALAC–3 DIGITAL
    AC–3 RFMAIN CENTER SURROUND
    SUBWOOFER
    I20V 60Hz
    I.6A MAX.
    200W MAX. UNSWITCHEDAC OUTLET
    5CH
    DISCRT
    INPUT
    LD/TV
    MAIN
    LD/TV
    CENTER
    LD/TV
    SURROUND
    AC-3 laserdisc player or another AC-3 unit
    Refer to the next page.
    Refer to “Note 1” 
    below. Refer to “Note 2” 
    below.To AC outlet Audio cord
    (not included)
    Audio cords
    (included)
    Audio cords
    (included) (U.S.A. model)
    Amplifier or receiver (RX-V2090 etc.)
    equipped with 5-ch discrete AC-3 terminals 
    						
    							7
    AC-3 DIGITAL OPTICAL/COAXIAL terminals
    These terminals input AC-3 signals in digital signal format.
    They are provided for future use.
    * Do not remove the cover of the OPTICAL terminal unless
    you will use this terminal in order to protect the terminal from
    dust.
    AC OUTLET (UNSWITCHED)
    The power cord of any audio/video unit can be connected to
    this outlet.
    The power to this outlet is not controlled by this unit’s POWER
    switch. This outlet will supply power to the connected unit even
    if this unit is turned off.
    The maximum power that can be connected to this outlet is
    200 watts.
    OPTICAL COAXIALAC–3 DIGITALI20V 60Hz
    I.6A MAX.
    200W MAX. UNSWITCHED
    AC OUTLET 
    						
    							TURNING ON/OFF THE POWER OF THIS UNIT
    To turn on the power
    Press the POWERswitch.
    When an AC-3 data is input to this unit, the characteristics of
    the data (from the source) are shown.
    ex.)When there is no data input, or data other than AC-3 is input to
    this unit, the input terminal on the rear of this unit used for
    connection is shown.
    ex.)
    About the Audio Code
    Audio code shows the formation and the number of channels.
    ch : 3/2
    To turn off the power
    Press the POWERswitch so that the display turns off. Turn on the power of this unit when you will play an AC-3 source (an AC-3 laserdisc etc.), or if you desire to make some
    adjustments or mode setting changes to this unit.
    YAMAHA
    AC – 3   DECODER
    AC – 3   DECODING
    fs=48k          ch : 3/2NO AC–3 DATA
    INPUT  RF
    Sampling frequencies              Audio code
    3:Three channel outputs at the front:
    left main, center and right main
    2:Two channel outputs at the front:
    left main and right main
    1:Center channel output only at the
    front
    2:Two channel outputs at the rear:
    left surround and right surround
    1:Monaural surround channel output
    at the rear
    0:No output at the rear
    The display turns on and shows this message for about 2
    seconds, and then turns into the following messages.
    PARAMETER MENU MODE
    TEST
    8 
    						
    							9
    TABLE OF FUNCTIONS
    MODE MENU (Function) PARAMETER Preset value Step of
    (Category) (Control range/Choices) (Position) change
    A 1. CENTER DELAY 0 ms to 5 ms 0 ms 1 ms
    2. SURROUND DELAY 0 ms to 15 ms 5 ms 1 ms
    3. DYNAMIC RANGE MAX/STANDARD MAX –
    4. HIGH LEVEL CUT SCALE
    *0.0 to 1.0 1.0 0.2
    5. LOW LEVEL BOOST SCALE
    *0.0 to 1.0 1.0 0.2
    B 1. TEST: OFF/ON LEFT/CENTER/RIGHT/ OFF –
    RIGHT SURROUND/
    LEFT SURROUND
    2. LEFT SURROUND LEVEL –6 dB to +6 dB 0 dB 1 dB
    3. RIGHT SURROUND LEVEL –6 dB to +6 dB 0 dB 1 dB
    4. LFE MIX LEVEL MUTE, –20 dB to 0 dB 0 dB 1 dB
    5. OUTPUT TRIM –9 dB to 0 dB 0 dB 0.5 dB
    C 1. INPUT RF/OPTICAL/COAXIAL RF –
    2. CENTER SPEAKER SMALL/LARGE/PHANTOM SMALL –
    3. REAR SPEAKERS SMALL/LARGE SMALL –
    4. MAIN SPEAKERS SMALL/LARGE LARGE –
    5. LFE/BASS OUT MAIN/SUBWOOFER MAIN –
    The following 15 functions on this unit allows you to change several adjustments and mode settings for enhancing the performance
    of your audio system including this unit. For adjustment or mode setting change on each menu function, refer to page 10–17.
    Note
    *: Items A4 and A5 are adjustable only when item A3 is set to “STANDARD”.
    Memory back up
    Parameter changes you made the last time will remain memorized even if the power of this unit is switched off or the power cord
    is disconnected. However, if the power is not supplied for more than about two weeks, all parameters will be automatically
    changed back to the original settings. 
    						
    							10
    C1. INPUT
    Choices: RF/OPT./COAX.
    Preset position: RF
    Selects the name of the input terminal on the rear of this unit
    used for the connection with an AC-3 laserdisc player or
    another AC-3 unit.
    C2. CENTER SPEAKER
    Choices: SML/LRG/PHANTOM
    Preset position: SML
    SML:Select this position when you use a center speaker
    that is smaller than the main speakers. In this
    position, low bass signals (below 90 Hz) at the
    center channel are output from the MAIN OUTPUT
    terminals.
    LRG:Select this position when your center speaker is
    approximately the same size as the main speakers.
    PHANTOM:
    Select this position when you do not have a center
    speaker. The center channel sound will be output
    from the left and right main speakers.
    C3. REAR SPEAKERS
    Choices: SMALL/LARGE
    Preset position: SMALL
    SMALL:Select this position if your rear surround speakers do
    not have a high ability for bass reproduction.
    In this position, low bass signals (below 90 Hz) at the
    surround channels are output from the MAIN
    OUTPUT terminals.
    LARGE:Select this position if your rear surround speakers
    have a high ability for bass reproduction, or a
    subwoofer is connected to the surround speaker in
    parallel.
    In this position, full range signals are output from the
    SURROUND OUTPUT terminals.
    C4. MAIN SPEAKERS
    Choices: SMALL/LARGE
    Preset position: LARGE
    SMALL:Select this position if your main speakers do not
    have a high ability for bass reproduction. However, if
    your system does not include a subwoofer, do not
    select this position.
    In this position, low bass signals (below 90 Hz) at the
    main channels are output from the SUBWOOFER
    OUTPUT terminals (if the SUBWOOFER position is
    selected on “C5. LFE/BASS OUT”).
    LARGE: Be sure to select this position, if this unit is
    connected to an amplifier or receiver (RX-V2090
    etc.) equipped with 5-ch discrete AC-3 input
    terminals.
    In this position, full range signals present at the main
    channels are output from the MAIN OUTPUT
    terminals.
    Select this position if your main speakers have a
    high ability for bass reproduction.
    C5. LFE/BASS OUT
    Choices: MAIN/SUBWOOFER
    Preset position: MAIN
    MAIN: Be sure to select this position, if this unit is
    connected to an amplifier or receiver (RX-V2090
    etc.) equipped with 5-ch discrete AC-3 input
    terminals.
    In this position, full range signals present at the main
    channels, signals from the LFE channel and other
    low bass signals that are selected on C2 to C4 to be
    distributed from other channels are output from the
    MAIN OUTPUT terminals.
    SUBWOOFER:
    Select this position if this unit is connected to an
    amplifier or receiver equipped with a subwoofer (or
    LFE) input terminal.
    In this position, signals at LFE channel and other low
    bass signals that are selected on C2 to C4 to be
    distributed from other channels are output from the
    SUBWOOFER OUTPUT terminals.
    ADJUSTMENTS BEFORE OPERATION
    SELECTING THE INPUT AND OUTPUT MODES SUITABLE FOR YOUR
    SPEAKER SYSTEM
    This unit provides you the following five functions to determine the modes of input and distribution of output signals to speakers
    suitable for your audio system. C4 and C5 have been already preset in the position suitable for using this unit with the RX-V2090.
    Description of each function
    C1. INPUT
    C2. CENTER SPEAKER
    C3. REAR SPEAKERS
    C4. MAIN SPEAKERS
    C5. LFE/BASS OUT 
    						
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