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Yamaha AP-U70 Manual

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NewProduct Information

New Product Information



Personal Amplifier

A perfect match of audio and USB computer technology. With a powerful 2-channel amp (20W + 20W) built in, just add speakers and enjoy high sound quality personal theater on your desktop.


Personal Sound Processor
A perfect match of audio and USB computer technology. Add powered speakers and enjoy high sound quality personal theater on your desktop.
Connect Yamaha Personal Amplifier/Sound Processor to: Any Computer with USB port containing the system requirements as shown on the back page. Any Computer Game System Any Audio Sources, such as CD Player, MD Recorder or Cassette Deck Enjoy Desktop Personal Theater with: Virtual Dolby Digital and DTS Virtual 5.1 Capability Yamaha Near-Field CINEMA DSP with Recording Capability 48kHz/24-Bit Recording Capability Enjoy High Sound Quality Technology with: Extensive Digital Connections (SCMS* Compatible) 96kHz/24-Bit DAC Convenient Operation from Personal Computer and Remote Control Unit
* SCMS: Serial Copy Management System
Market Trends Expansion of PC market due to drop of PC prices and improvment of CPU performance. Increase of DVD-equipped PCs in budget price zone. Enjoyment of PC, Personal Entertainment, in addition to Home Theater in living rooms. More A/V content via the internet by broadband connection.
EMD (Electric Music Distribution) Silicon Audio and MP3 types of compressed sound. More PC users pay attention to music, sound and surround in their PC environments Product Concept New concept audio to realize Personal Theater by integrating USB-equipped PCs and consumer audio products.
AP-U70/DP-U50 Surround Programs HiFi DSP Programs HALL Concert Hall Europe European shoebox type hall image. Its verberations, particy in the mid and high frequency range. JAZZ Jazz Club Village Gate The famous N.Y. jazz club has a wide lisyening area with a sound field centered slightly to the left of sage. CHURCH Church Royaumont This sound field produces soft echoes which give the impression of being in a space with a high celling. Near-Field CINEMA DSP Programs and Dolby/DTS Surround Programs LIVE Live Concert Choose for live sports broadcasts, and music shows. Brings out the full impact of stereo sources. GAME Game Amusement Specially designed to enhance game sounds for a more realistic gaming experience. MOVIE 70mm Movie Theater Dynamic reproduction of the sound effects of contemporary SF and action movies. Dolby Digital Movie Theater Near-Field CINEMA DSP plus Dolby Digital provides theatre-like all-enveloping surround sound. DTS Digital Sur. Movie Theater Near-Field CINEMA DSP technology maximizes the potential of the DTS Digital Surround system. VIRTUAL SURROUND Virtual Surround Allows you to experience Dolby Pro-Logic sound without the two rear speakers. (VDD) Virtual Dolby Digital Simulates Dolby Digital surround sound through the front speakers only. DTS Virtual 5.1 Allows you to experience 5.1-channel DTS without the two rear speakers. HEADPHONE 3D (HP3D) HP3D Delivers the expansive realism of surround sound through headphones.


: HiFi DSP Programs

: A/V Programs

: Near-Field CINEMA DSP

: Virtual Surround

: Headphone 3D
AP-U70/DP-U50 New Product Information
AP-U70 Features High Quality 2-Channel Stereo Amplifier (20W + 20W) Easy Connection with Conventional Audio Speakers for Personal Theater
DP-U50 Features High Quality Sound Processor Easy Connection with Powered Speakers for Personal Theater
AP-U70/DP-U50 Common Features USB Audio to/from D/A Converter (SCMS compatibility) 96kHz/24-Bit D/A Converter USB Capture Capability for External Digital Audio Sound (SCMS compatibility) Dolby Digital and DTS Digital Surround Decoding, DSP Processing (Yamaha Original YSS-928 LSI) Yamaha Near-Field CINEMA DSP Virtual Dolby Digital and DTS Virtual 5.1 Programs (2-main speaker surround system) SILENT CINEMA for Headphone Enjoyment Yamaha DSP Effect Recording 4-Position Input Selector (USB, PC, Aux 1 and Aux 2) Versatile Digital Input/Output Terminals: 1 USB Port, 2 Optical Input, 1 Coaxial Input and 1 Optical Output Multi-Channel Discrete Sounds via USB - 4-Channel Mode: Main L/R and Rear Effect L/R - 6-Channel Mode: Main L/R, Center, Rear Effect L/R and Subwoofer - DirectSound3D Compatible 24-Bit/44.1kHz and 24-Bit/48kHz Sounds via USB (render and capture) Render and Capture via USB (16-bit/44.1kHz, 16bit/48kHz, 24-Bit/44.1kHz and 24-Bit/48kHz) Newly Developed GUI (Graphic User Interface) Control Software 7-Band Graphic Equalizer with 5 Preset Modes (Rock, Pops, Vocal, Fusion and Classic) Subwoofer Out Rec Out Digitally Regulated Volume Control (min. max. 66 step;, GUI: 0 -80dB, 1dB steps) with Mute Switch Handheld Remote Control Unit

AP-U70/DP-U50 Main Specifications Minimum RMS Output Power (6 ohms, 2020,000 Hz) Input Sensitivity/Impedance (Analog) Frequency Response USB 20 Hz 20 kHz PC/Aux Digital Input 20 Hz 20 kHz Total Harmonic Distortion (USB & PC/Aux Digital Input) Signal-to-Noise Ratio USB PC/Aux Digital Input Dimensions (W x H x D); Weight
AP-UW + 20 W (0.8% THD) 150 mV/30 k-ohms dB (main) 0.dB (main) dB (main) 0.dB (main) 0.06% (Sp-Out, 4 V/5 ohms) 85 dB(Sp Out, 11 V/6 ohms) 90 dB (Sp Out, 11 V/6 ohms) 120 x 294 x 355 mm; 5.5 kg 43/4 x 119/16 x 14; 12.1 lbs.
DP-U50 Not supplied 150 mV/30 k-ohms dB (preout) 0.dB (preout) dB (preout) 0.dB (preout) 0.01% (preout) 100 dB (preout) 110 dB (preout) 120 x 294 x 355 mm; 5 kg 43/4 x 119/16 x 14; 11 lbs.
AP-U70 Personal Amplifier/DP-U50 Personal Sound Processor
Recommended Speakers: Yamaha NS-U30 High quality speakers will bring out the AP-U70s full potential. Yamaha NS-U30 speakers are an excellent choice.
AP-U70/DP-U50 Rear Panel Connecions (Photo: AP-U70)


Analog Audio Inputs: PC, Aux 1 and Aux 2 Subwoofer Out Coaxial Digital Input (PC), Optical Digital Input (PC) and Optical Digital Input (Aux 1) Speaker Terminals (AP-U70) Rec Out (APU70); Preout (DP-U50) USB Port
2-Way Acoustic Suspension Speaker System

Optical Digital Output

NS-U30 Main Features and Specifications Drivers: 9cm (3-1/2) Cone Woofer and 2cm (3/4) Tweeter Magnetic Shielding Frequency Response: 7525,000 Hz Impedance: 6 ohms Input Power (Maximum/Nominal): 60 W/20 W Sensitivity: 88 dB/2.83 V/m Dimensions (W x H x D): 110 x 293 x 192 mm; 4-3/8 x 11-1/2 x 7-1/2 Weight: 1.8 kg; 4 lbs.

System Connections

CD Player CDR Decorder Subwoofer MD Decorder PC

System Requirements

For digital audio streaming using a USB connection, your computer must have the following: Windows OS: Microsoft Windows 98/SE, Microsoft Windows ME and Microsoft Windows 2000 Professional USB Port Macintosh OS: Macintosh up to OS 9.0.4 USB Port


Powered Speakers
For details about system requirements, please contact our website:


CD-ROM The CD-ROM contains the Application Software and online help for controlling this unit from your computer.

Battery replacement

If you notice that the remote control must be used closer to the main unit, the batteries are weak. Replace both batteries with new ones. Notes Use AA, R6, UM-3 batteries. Be sure the polarities are correct. (See the illustration inside the battery compartment.) Remove the batteries if the remote control is not to be used for an extended period of time. If the batteries leak, dispose of them immediately. Avoid touching the leaked material and avoid contact with clothing, etc. Clean the battery compartment thoroughly before installing new batteries.
Remote control operation range



Remote control sensor

Within approximately 6 m (19.7 feet)
Notes The area between the remote control and the main unit must be clear of large obstacles. Do not expose the remote control sensor to strong lighting, in particular, an inverter type fluorescent lamp; otherwise, the remote control may not work properly. If necessary, position the main unit away from direct lighting.
Never plug in this unit and other equipment until all connections are completed.
1. Make connections between this unit and other components by following the procedure below. 2. After all connections are finished, check that the connection cords are correctly connected. 3. After all connections are completed, plug in this unit and other equipment.
Note Also, refer to the owners manual for other equipment in the system.
Use commercially available connection cords (except the supplied USB cable). The color of this units inputs/outputs and connection cords to be used for connecting to them are as follows: White Red Black Orange Audio connection cord (analog/stereo), left Audio connection cord (analog/stereo), right Audio connection cord (analog/monaural) Coaxial digital connection cord


Terminals and their functions

1 ANALOG inputs

These connectors are used to connect to the analog outputs of a PC sound card, CD player, MD recorder, tape deck, etc.


This connector can be connected to an optional subwoofer, such as the Yamaha YST-SW45, for enhanced bass performance.


3 SPEAKERS outputs [AP-U70 only]
These connectors are used to connect a pair of speakers, such as the Yamaha NS-U30.


4 REC OUT [AP-U70 only]
These connectors are used to connect to the analog inputs of an MD recorder or tape deck.





4 PRE OUT [DP-U50 only]

These connectors are used to connect to the analog inputs (INPUT etc.) of speakers incorporated with an amplifier, or a power amplifier. The level of signals outputted from the PRE OUT varies by the use of the volume control on the front panel or the VOLUME keys on the remote control.






5 PC inputs & output (DIGITAL)


USB: If your computer has a USB port, connect it to this unit, using the supplied USB cable, for remote control of this unit from your computer. PC COAX IN/OPT IN: These coaxial and optical connectors are used to connect to the digital outputs of a PC sound card, DVD-Video decoder board, etc.
6 Optical input & output (DIGITAL)
AUX 1 OPT IN: This connector is used to connect to an optical output of a CD player, MD recorder, etc. OPT OUT: This connector is used to connect to an optical input of an MD recorder, a DAT deck, etc.

Connecting your computer

Audio from your computer can be fed to this unit using any of the following connectors: USB, DIGITAL PC COAX IN, DIGITAL PC OPT IN, or ANALOG PC IN. If you use all of these connectors for connection, you can select the connector(s) to use on this units front panel or the remote control.
Connecting to the USB port (1)
If your computer has a USB port, connect it to this units USB terminal using the supplied USB cable, as shown below. A single USB connection is all thats required to listen to audio from your computer on this unit, feed audio from an external source connected to this unit to your computer, and control this unit remotely from your computer, using the supplied Application Software. If your computer doesnt have a USB port, you can still connect it to this unit using the analog or digital input, but in this case you cannot use this units Application Software. Note Connect the USB cable when installing the USB driver software on your computer. Refer to the section INSTALLING USB DRIVER AND APPLICATION SOFTWARE.
Connecting to digital inputs (3)
To play DVD-Video discs encoded with Dolby Digital or DTS, your computer must have a DVD-ROM drive and DVD-Video decoder board, which should be connected to this unit via the DIGITAL PC COAX IN or DIGITAL PC OPT IN. Use a commercially available pin-plug cord for connecting to the DIGITAL PC COAX IN, and use a commercially available optical fiber cable for connecting to the DIGITAL PC OPT IN. Note The DIGITAL PC OPT IN has priority over the DIGITAL PC COAX IN, so if you connect to both inputs, the signal received at the DIGITAL PC OPT IN is used.

Protective Caps

Left speaker

Right speaker

Speaker Cables

Strip 10 mm of insulation off the end of each speaker cable, and then twist the bare wires to prevent lose strands, which can cause short circuits.
How to connect: 1 Press and hold the speaker connector levers. 2 Insert the bare ends of the speaker cables into the

terminal holes.

3 Then release the levers. * Try pulling gently on each cable to make sure that it is


[DP-U50 only]
To reproduce sound signals inputted to this unit over speakers, connect this unit to speakers with a built-in amplifier, a mini-component system, etc., or connect this unit to speakers by using an external power amplifier. Connect the analog inputs of speakers with a built-in amplifier, etc. to this units PRE OUT using a commercially available analog pin-plug cord or a pin (stereo)-to-mini (stereo) plug cord. Note The level of signals outputted from the PRE OUT varies by the use of the volume control on the front panel or the VOLUME keys on the remote control. So, it is recommended to adjust the speaker output level on this unit or the remote control, and fix the volume of speakers with a built-in amplifier, etc. at a certain level.
Speakers with a built-in amplifier Left Right


Adding a subwoofer
Bass performance can be extended by connecting a subwoofer to this units SUBWOOFER OUTPUT using a commercially available audio pin-plug cord. The use of a subwoofer is also suitable for reproducing the effects of sound field programs. Note The SUBWOOFER OUTPUT is a line-level output. Use a subwoofer which has its own built-in power amplifier, such as the Yamaha YST-SW45.






Recommended Speaker Placement
For best performance, place the left and right speakers on either side of your computer monitor, as shown below, and position them so that their fronts are flush with the monitor screen. To get the best from the sound field programs and surround effects, the left and right speakers and the listener should be positioned so as to form a triangle with a 3:4 ratio, so if, for example, the speakers are 60 cm (23.5) apart, the listener should be 80 cm (31.5) away from each speaker. If your system includes a subwoofer (YST-SW45, etc.), place it on the floor.
Recommended listening position
Left speaker Right speaker
Note Use magnetically shielded speakers and subwoofer. Using nonmagnetically shielded speakers near the computer monitor may impair picture color or damage the monitor.



Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturers instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
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 products 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.
10 Protect the power cord from being walked on or
11 Only use attachments/accessories specified by the


12 Use only with the cart, stand, tripod,
bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/ apparatus combination to avoid injury from tip-over.
IMPORTANT Please record the serial number of this system in the space below. Model: Serial No.: The serial number is located on the rear of the main unit. Retain this Owners Manual in a safe place for future reference.
13 Unplug this apparatus during lightning storms or when
unused for long periods of time.
14 Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

We Want You Listening For A Lifetime
YAMAHA and the Electronic Industries Associations 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 Associations Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.


About this manual
This manual explains how to operate this unit. Refer to the separate SET UP MANUAL for how to connect this unit with other equipment, and to install the Application Software, etc. to your computer from the supplied CD-ROM. This manual mainly explains how to operate this unit using the front panel of this unit and the supplied remote control. When this unit and your computer is connected with the USB cable, and the supplied Application Software is installed on the computer, you can operate this unit from the computer using the Application Software. Refer to the online help of the Application Software for how to use the Application Software. The Application Software extends the use of this unit with additional functions which cannot be used with the front panel keys or the remote control. This manual introduces those functions by the following style. Example:


Adjusting USB MIX LEVEL When an input other than the USB terminal is selected, you can listen to the mixed sound signals from the selected input and from the USB terminal. Also, the mixing ratio of the signals from the USB terminal can be adjusted. * Refer to the online help of the Application Software for details.
This manual also offers brief explanations about the functions available with the Application Software on page 1518. Refer to the online help of the Application Software for details of how to use the functions.
Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other world-wide patents issued and pending. DTS, DTS Digital Surround, are trademarks of Digital Theater Systems, Inc. Copyright 1996 Digital Theater Systems, Inc. All Rights Reserved.


Main features of this unit. 3 Virtual 3D.. 4 Digital Sound Field Processing (DSP)... 4
Front panel & Remote control. 5 About the display. 7


Playing a source.. 8 Using sound field programs. 10 Recording. 11


Adjusting surround effect.. 13 Setting USB channel. 14 Operating this unit with the Application Software. 15
Troubleshooting.. 19 Specifications.. 20
CAUTION: Read this before operating this unit
1. To assure the finest performance, please read this
manual carefully. Keep it in a safe place for future reference.

For U.K. customers

If the socket outlets in the home are not suitable for the plug supplied with this appliance, it should be cut off and an appropriate 3 pin plug fitted. For details, refer to the instructions described below. Note: The plug severed from the mains lead must be destroyed, as a plug with bared flexible cord is hazardous if engaged in a live socket outlet.
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). To prevent fire or electric shock, do not expose the unit to rain or water.
3. Never open the cabinet. If something drops into the
set, contact your dealer.
IMPORTANT: THE WIRES IN MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: Blue: NEUTRAL Brown: LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. Making sure that neither core is connected to the earth terminal of the three pin plug.
4. Do 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.
5. The openings on the unit cover assure proper
ventilation of the unit. If these openings are obstructed, the temperature inside the unit will rise rapidly; therefore, avoid placing objects against these openings. To prevent fire or damage, install the unit in a well-ventilated area. <Europe and U.K. models only> To prevent fire or damage, be sure to allow a space of at least 10 cm behind, 10 cm on both sides and 10 cm above the top panel of the unit.
6. The voltage used must be the same as that specified
on this unit. Using this unit with a higher voltage than specified is dangerous and may result in fire or other accidents. YAMAHA will not be held responsible for any damage resulting from use of this unit with a voltage other than that specified.

For Canadian Customers

To prevent electric shock, match wide blade of plug to wide slot and fully insert. This Class B digital apparatus complies with Canadian ICES-003.
7. Always set the volume to minimum before starting
audio playback. Increase the volume gradually to an appropriate level after playback has been started.
8. Do not attempt to clean the unit with chemical solvents
as this might damage the finish. Use a clean, dry cloth. When this unit is turned off by pressing the power switch on the front panel or the POWER key on the remote control, this unit turns into the standby mode. In this mode, this unit is designed to consume a small amount of power. This units power supply is completely cut off from the AC line only when the AC power cord is disconnected.
9. Be sure to read the TROUBLESHOOTING section
regarding common operating errors before concluding that the unit is faulty.
10. When not planning to use this unit for a long period
(i.e., vacation, etc.), disconnect the AC power plug from the wall outlet.
11. To prevent lightning damage, disconnect the AC power
plug when there is an electric storm.
12. Grounding or polarization Precautions should be
taken so that the grounding or polarization of appliances is not defeated.
Main features of this unit
Using Yamahas unique DSP technology, this unit can bring excitement and realism to any audio source by simulating the acoustic environments of concert halls, movie theaters, and so on with only two speakers. With its stylish, vertical design, this unit allows you to use various audio sources, including your computer, CD player, MD or tape deck, as shown below.
Although this unit can be used as part of a typical hi-fi system, connecting it to your computer via the USB terminal, and running the supplied Application Software, allows you to remotely control this unit from your computer and edit the sound field programs.

This unit

Personal computer

MD recorder etc.

[For DP-U50 only]
This unit cannot be connected with speakers directly. Connect this unit to speakers with a built-in amplifier, a mini-component system, etc., or connect this unit to speakers via a power amplifier.
Refer to the separate SET UP MANUAL for connections.

Virtual 3D

Surround sound typically requires several speakers situated in front of and behind the listening position, which requires a substantial amount of space that may not always be available. This unit uses Yamahas unique Virtual 3D (three-dimensional) technology to simulate a typical surround sound system using only two speakers. Virtual 3D, which is used by this units sound field programs, simulates the surround effect provided by rear and center speakers, creating virtual surround speakers, as shown, so even with only two front speakers, you can still enjoy surround sound.

Virtual speakers

Typical surround system
Digital Sound Field Processing (DSP)
When you listen to a performance in a concert hall, jazz club, or other live music venue, you not only hear the direct sound coming from the musical instruments and singers, but also the early reflections and natural reverberation. Early reflections are the initial sound waves that bounce off the floor, ceiling, and walls. Natural reverberation is made up of sound waves that gradually attenuate as they bounce repeatedly off multiple surfaces. Since the way you hear early reflections and reverberation depends on the shape and size of the building as well as the material and construction of the walls and ceiling, each venue has its own unique sound, called its sound field. At Yamaha, we have measured all the elements that make up a typical sound fielddirection and level of the reflections, band-width characteristics, and delay timesat famous concert halls and opera houses around the world. The information gained in this process has been converted into programs that can be reproduced using Yamahas DSP technology. Using its on-board DSP, this unit can process any audio source and recreate the atmosphere of the original venue.
Early sound reflections Reverberation

Direct sound

Front panel & Remote control

Front panel

Remote control
1 Input selectors & indicators
These four keys, explained below, are used to select the input source. The indicator of the selected source lights up. USB key This key selects input signals sent from your computer by way of the USB terminal. PC key This key selects your computer as the input source. Pressing this key repeatedly selects the digital (DIGITAL PC COAX IN or DIGITAL PC OPT IN) or analog (ANALOG PC IN) input. The DIGITAL PC OPT IN has priority over the DIGITAL PC COAX IN, so if you connect to both inputs, the signal received at the DIGITAL PC OPT IN is used. AUX1 key This key selects the equipment connected to the ANALOG AUX 1 IN or DIGITAL AUX 1 OPT IN connector as the input source. Pressing this key repeatedly selects the digital or analog input. AUX2 key This key selects the equipment connected to the ANALOG AUX 2 IN connectors as the input source.
6 Volume control [front panel]
VOLUME (Down/Up) keys [remote control]
These control and keys adjust the speaker and headphone volume. The volume cannot be adjusted when this unit is in the standby mode.

Headphone jack

Stereo headphones can be connected to this mini-jack for private listening, with Virtual 3D effects specifically tailored for headphone listening.

8 Power switch (




This indicator appears when this unit is using Virtual 3D.
7 Sound output indicators
This indicator shows the currently used speakers (including virtual speakers).
This indicator appears when an input signal is decoded with DTS.
This indicator appears when an audio signal encoded with Dolby Digital is selected as the input source.


This indicator appears when an input signal is decoded with Dolby Digital.
This indicator appears when a PCM digital audio signal is selected as the input source.
This indicator appears when headphones are connected to the headphone jack of this unit.


This indicator appears when an input signal is decoded with Dolby ProLogic.

5 5.1CH

This indicator appears when a 5.1 channel digital audio signal is selected as the input source.
This indicator appears when audio signals are sent or received via the USB terminal.
This indicator appears when the DSP is processing the input signal.
B Multi-information display
Various messages and information appear here.

C VOL (volume)

This indicator graphically displays the volume level setting.

Playing a source

This section explains how to turn on this unit and select input sources. If any external audio equipment is connected to this unit, turn it on first.
Start the selected input source. Adjust the volume to the desired level.
As you prefer, use a sound field program. Refer to page 10 for details about the sound field programs.
About the input selector keys
Each of the input selector keys selects the following input signals. USB: Press the USB key to select input signals at the USB terminal.

Turn on this unit.

Press the PC key repeatedly to select the PC inputs: PC_DIGT and PC_ANLG. PC_DIGT selects the DIGITAL PC COAX IN or DIGITAL PC OPT IN, and PC_ANLG selects the ANALOG PC IN. Note: The DIGITAL PC OPT IN has priority over the DIGITAL PC COAX IN, so if you connect to both inputs, the signal received at the DIGITAL PC OPT IN is used.
The message Hello appears for a few seconds, and this unit returns to the state in which it was last used (e.g., the input source that was selected when this unit was turned off is selected).
Decrease the volume to minimum (MIN).

Note Just after selecting a program, the program name scrolls from right to left on the display, and then its short-version name lights up.
CINEMA DSP (for video sources)

To turn off the DSP

Press the DSP key on the front panel or the ON/OFF key on the remote control. THROUGH appears on the display.
Adjusting DSP sound field parameters
The surround effect of each program or the Virtual 3D effect can be adjusted to the desired taste by using the Application Software. Refer to the online help of the Application Software for details.


Input sources (e.g., a computer or CD player) selected on this unit can be recorded by an MD recorder, tape deck, etc. connected to this unit. Also, input signals can be fed to your computer via the USB connection. * When a source is recorded using a sound field program, sound field effects are recorded with the source. First turn on the external unit to be used, and then this unit.
Select the source to be recorded by using the input selector keys.
Recording on an external recording unit
Start recording on a recording unit (an MD recorder, tape deck, etc.). Start playing the input source.
Playing the recorded result via this unit
Select the input signals sent from the recording unit with the input selector keys. Notes If input signals received at any digital input terminal other than the USB terminal is outputted at the digital output terminal, the sampling frequency for the output signals is the same as that for input signals. The sampling frequency for digital signals converted from analog signals on this unit is 44.1 kHz or 48 kHz. When digital input signals are outputted at the digital output terminal, track information (CD-text data, automatic track renewal when recording is made on an MD, etc.) is invalid if any sound field program (including the graphic equalizer effect) is used.
Recording on a computer (via the USB connection)
When recording or processing signals inputted to your computer via the USB connection, the following setting is needed on the computer.
Selecting Recording Device

When using Windows 1. Click the Windows Start button and select Settings, and then Control Panel. 2. Double-click the Multimedia icon (or the Sounds and Multimedia icon). 3. Click the Audio tab and select USB Audio Device at Preferred device of Recording (or Sound Recording). When using a Macintosh Select USB Audio as the input device at Sound on the Control Panel.
Start recording with the recording software on the computer. Start playing the input source.
Setting of Recording Software
Select a sampling frequency from 44.1 kHz and 48 kHz. Select a resolution from 16 bits and 24 bits. The sampling frequency of 44.1 kHz with the resolution of 16 bits produces a sound quality comparable to the compact disc (CD).
Press the USB input selector key, and play the recorded result on the computer. Notes If the number of USB channels is set to six, recording cannot be made via the USB connection. Reset the number of USB channels to two or four. To record digital input signals with a 48 kHz sampling frequency, the frequency of the input signals must be 48 kHz. To record sound signals received at an analog or digital input of the sound card etc., and not via the USB connection, select the corresponding device, such as Sound Card, from Preferred device of Recording (or Sound Recording) on the computer. The sampling frequency and resolution of signals recordable on the computer differ from operating systems. You can refer to the following Yamaha website for details about the related information.
Notes Please check the copyright laws in your country before recording, compact discs, radio, etc. Recording of copyright material may infringe copyright laws. You cannot make a recording from a CD-R, MD, etc. which is a copy of an audio CD, to another CD-R, MD, etc. via the USB connection or the digital terminal connection. Also, you cannot make a recording from an MD which is recorded with digital signals received via the USB connection, to another MD.
Adjusting surround effect
This unit features YAMAHAs unique Virtual 3D technology, which provides a virtual surround sound effect with only two speakers. In the sound field of the Virtual 3D mode, two virtual rear speakers are provided as well as two front speakers (L, R) to achieve the surround-sound effect. To optimize the surround-sound effect, adjust the volume of each speaker in the sound field by listening to a series of test tones.

Custom Keys

Skin Selection
This allows you to select the skin (the design of the background picture of the Application Software) from several preset patterns.
Setting Remote Control Custom keys
This allows you to store a set of commands (input selector, sound field program, volume setting, etc.) to each of the A, B and C keys on the remote control. After storing, simply pressing each key will execute the stored command.
Note The screen design, functions, etc. are subject to change due to software upgrades. For details, refer to the Online Help of the Application Software.

Maximum Volume Setting

When adjusting the volume on the Application Software, you may inadvertently turn up the volume too high. To avoid this, you can use this function to set a maximum volume for the Application Software.

Digital Volume Setting

This allows you to digitally turn up and down the volume in the DSP. Take care not to turn up the volume when the level of the digital input signal is high as it may cause sound distortion due to digital processing. If sound distortion occurs, turn down the volume.
Problem The unit cannot be turned on though the power switch is pressed. No sound. Cause The power cord is not plugged in or is not completely inserted. Remedy Firmly plug in the power cord.
Turn on this unit by pressing the power switch on the front panel or the POWER key on the remote control. Connect the cords properly. If the problem persists, the cords may be defective. Turn off the muting by pressing the MUTE key. Disconnect the headphones from the headphone jack to output sound from the speakers. Increase the volume. Select the playback source using the input selector keys. When PC is selected as the input source, check that the digital or analog input is correctly selected.
The muting function of this unit is on. Headphones are connected to the headphone jack of this unit.
The volume is set to minimum. The playback source is not selected by the input selector keys.
The power of the equipment selected as the input source is off. No surround effect. When making a recording from an audio CD to an MD, CD-R, etc., all tracks are recorded as one track. Program sources on an MD, CD-R, etc. which is a copy of an audio CD, cannot be recorded on the computer via the USB connection. Signals inputted to your computer via the USB connection cannot be recorded on the computer. No effect of Dolby Digital or DTS though the sound field program VDD is selected. Different sounds are heard together. The DSP is off. A DSP sound field program is selected or the built-in graphic equalizer is used.



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