E LF R S LS C R DDP-1 LF E R S LS C R L NATURAL SOUND DIGITAL PROCESSOR NATURAL SOUND DIGITAL PROCESSOR DDP–1 TEST MODE MENU PARAMETER CONTENTS 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. Safety Instructions ......................................... 2 Profile of This Unit ......................................
SAFETY INSTRUCTIONS 7 Wall or Ceiling Mounting – The unit should be mounted to a wall or ceiling only as recommended by the manufacturer. 8 Ventilation – The unit should be situated so that its location or position does not interfere with its proper ventilation.
Caution: Read this before operating your unit 1 To assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. 7 To prevent lightning damage, pull out the power cord and remove the antenna cable during an electrical storm. 2 Install 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).
PROFILE OF THIS UNIT 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.
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.
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 DIGITAL OPTICAL/COAXIAL terminals AC OUTLET (UNSWITCHED) AC OUTLET AC–3 DIGITAL OPTICAL COAXIAL 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. UNSWITCHED I20V 60Hz I.6A MAX. 200W MAX. The power cord of any audio/video unit can be connected to this outlet.
TURNING ON/OFF THE POWER OF THIS UNIT 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. To turn on the power Press the POWER switch. TEST MODE MENU PARAMETER The display turns on and shows this message for about 2 seconds, and then turns into the following messages.
TABLE OF FUNCTIONS 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. MODE (Category) MENU (Function) PARAMETER (Control range/Choices) Preset value (Position) Step of 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.
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. C1. INPUT C2. CENTER SPEAKER C3. REAR SPEAKERS C4. MAIN SPEAKERS C5. LFE/BASS OUT Description of each function C1. INPUT C4.
Method of changing selections TEST 1 1 MODE MENU PARAMETER 23 4 4 Turn the power on. PARAMETER 2 MODE Press once or more until “C” appears on the left side of the display. 3 MENU C1. INPUT RF OPT. 5 C1. INPU RF O Press once or more until the title of function on which you will change the selection appears on the display. C1. INPUT RF OPT. Press “+” side or “–” side once or more so that the arrow points the position you will select. COAX.
OUTPUT BALANCE ADJUSTMENT Adjusting the output level balance among all the channels are very important to maximize the performance of your system including this unit. This unit lets you adjust the sound output level balance between the left and right surround channels using the built-in test tone generator. Before making the adjustment on this unit, you should make the output balance adjustment for Dolby Pro Logic on the amplifier (or receiver) connected with this unit. Follow the instructions below.
6, 8, 10 TEST MODE MENU PARAMETER 1 6 Press once or more until the following message appears on the display. MENU 7, 9, 11 9 Adjust the sound level of the test tone from the right surround speaker to be at the same level as other speakers. * Pressing “+” increases and “–” decreases the value. Pressing and holding the button will change the value continuously. PARAMETER LVL . .0 d B B2. LEFT SUR. LVL . . . . . . . .0 d B 7 PARAMETER . LVL . .0 d B Changes.
PLAYING AN AC-3 SOURCE 1 2 Turn down the volume to minimum on the amplifier. 3 Turn the power on to the AC-3 unit, this unit, the amplifier, the monitor etc. TEST MODE MENU PARAMETER If necessary, change the input mode setting on the amplifier to the “5-ch discrete AC-3 input”. * For the RX-V2090, press the LD/TV button on the front panel of the RX-V2090 so that “5 CH DISCRT” appears on the display. (Refer to the section “Dolby Surround AC-3” of the RX-V2090’s manual.
Method of adjusting levels TEST MODE MENU PARAMETER 12 3 1 MODE Press once or more until “B” appears on the left side of the display. 3 Adjust the level. PARAMETER Pressing “+” increases and “–” decreases the value. Pressing and holding the button will change the value continuously. . LVL . .0 d B B 1 . TEST : Changes. 2 MENU Press once or more until the title of function whose level you will change appears on the display.
ADJUSTING DELAYS AND DYNAMIC RANGE This unit provides you with the following functions to make the AC-3 sound field suitable for the conditions of your listening room. A1. CENTER DELAY A2. SURROUND DELAY A3. DYNAMIC RANGE A4. HIGH LEVEL CUT SCALE A5. LOW LEVEL BOOST SCALE Description of each function A1. CENTER DELAY A4. HIGH LEVEL CUT SCALE Control range: 0 ms to 5 ms (in 1 ms step) Preset value: 0 ms Control range: 0.0 to 1.0 (in 0.2 step) Preset value: 1.
Method of changing the level (or the selection) TEST MODE MENU PARAMETER 12 3 1 Press once or more until “A” appears on the left side of the display. MODE 3 Change the level (or the selection). * For changing the value, PARAMETER pressing “+” increases and “–” decreases the value. Pressing and holding the button will change the value continuously. A 1 . CENT . . 2 MENU DELAY . . . .
SPECIFICATIONS Output Level/Output Impedance MAIN L/R, CENTER, SURROUND L/R 1 kHz, 0 dB INPUT...............................................2V/1.2 kΩ SUBWOOFER 50 Hz, 0 dB INPUT...............................................6V/1.2 kΩ Input Impedance (RF, COAXIAL).........................................75Ω Signal to Noise Ratio (IHF-A).............................105 dB or more Channel Separation (1 kHz).................................80 dB or more Power Supply U.S.A. model................................
DEMODULATOR DDP-1 COAXIAL OPTICAL AC-3 RF C1. INPUT BLOCK DIAGRAM AC-3 DECODER 20bit D/A 20bit D/A 20bit D/A +10dB C3. REAR SPEAKERS C2. CENTER SPEAKER -3dB B4. LFE MIX LEVEL LFE RS LS C R L SMALL -4.5dB -4.5dB SMALL LARGE PHANTOM LARGE SMALL LARGE -4.5dB HPF CROSSOVER 90Hz 4th order LPF 4th order LPF 2nd order HPF 2nd order HPF 2nd order HPF 2nd order HPF 2nd order C5. LFE/BASS OUT MAIN SUBWOOFER B2. LEFT SUR LEVEL B3. RIGHT SUR LEVEL C4.
FOR REFERENCE The following table shows what terminal(s) the signals of each channel are output to according to the output mode settings on C2 to C5. (See page 10 for details.) MAIN OUTPUT C2. CENTER SMALL 90 Hz or less CENTER OUTPUT *1 SURROUND OUTPUT SUBWOOFER OUTPUT 90 Hz or more 90 Hz or less *2 LARGE FULL C3. REAR SMALL 90 Hz or less *1 90 Hz or more 90 Hz or less *2 LARGE FULL C4. MAIN SMALL FULL *1 90 Hz or more*2 90 Hz or less *2 LARGE FULL C5.
