Sony STR-DA30ES Technical Background

Sony STR-DA30ES - Fm Stereo/fm-am Receiver Manual

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  • Sony STR-DA30ES | Technical Background - Page 1
    ES Series Receivers Technical Background Version 1.1; May 25, 2005
  • Sony STR-DA30ES | Technical Background - Page 2
    most pristine form? How do you pack all those channels of amplification in a single chassis and still deliver the Sony's ES Series receivers have been praised by equipment reviewers, cherished by home theater enthusiasts and scrutinized by an entire industry. Sony's latest ES Series A/V receivers
  • Sony STR-DA30ES | Technical Background - Page 3
    in a high-end A/V receiver (STR-DA9000ES, 2003). • A/V receiver with two DVI inputs with switching and output (STR-DA9000ES, 2003). Sony's latest A/V receivers are worthy successors, bringing this heritage to a new generation of home entertainment enthusiasts. ES Receivers v1.0 Page 3
  • Sony STR-DA30ES | Technical Background - Page 4
    Sony introduced ES Series A/V receivers with a digital amplifier we called S-Master Pro. Fiercely independent critics evaluated the Sony STR-DA9000ES receiver • Pulse Height Volume Control S-Master Pro Third 2003 • Clean Data Cycle • C-PLM • S-TACT • Pulse Height Volume Control • DC Phase
  • Sony STR-DA30ES | Technical Background - Page 5
    trigger other problems like Transient Sony engineers sought a better way. Sony operation In the context of a modern A/V receiver, traditional power amplifiers require the needless complexity of D/A conversion, Low Pass Filtering (LPF) and analog volume control prior to the input. ES Receivers
  • Sony STR-DA30ES | Technical Background - Page 6
    Input (Digital) DSP D/A LPF convert Volume Control Analog Power Amp Speaker Output Digital Signal Analog Signal The conventional A/V receiver is anything but simple. The signal must run through a gantlet of processes and stages. The Sony S-Master Pro amplifier is dramatically different.
  • Sony STR-DA30ES | Technical Background - Page 7
    Pro process While Sony's S-Master Pro amplifier controlled. This is comparable to the requirements for Super Audio CD playback. So to accomplish these goals, Sony used technologies developed for our legendary SCD-1 Super Audio CD player. Sony S-Master Pro process is Sony's Clean Data Cycle. This
  • Sony STR-DA30ES | Technical Background - Page 8
    Volume Control. Most digital volume controls work by Digital Signal Processing, an approach that sacrifices detail in the least significant bit. Sony's Pulse Height Volume control transistors operate at channel (all channels driven, 8 ohms, 20 to 20,000 Hz, at 0.15% THD). ES Receivers v1.0 Page 8
  • Sony STR-DA30ES | Technical Background - Page 9
    the acclaimed STR-DA9000ES took advantage of 24-bit S-Master Pro processing, Sony's latest design boasts the superior precision of Sony's 32bit processing. Sony proudly presents a masterpiece of integrated circuitry, Sony's CXD9773Q Large Scale Integrated circuit (LSI). ES Receivers v1.0 Page
  • Sony STR-DA30ES | Technical Background - Page 10
    Clean Data Cycle. Because one-bit digital signals depend on the accuracy of the time domain, Sony suppresses jitter with Clean Data Cycle. Our 24-bit processor achieved a theoretical accuracy of 40 chassis vibration has a great impact on the final sound quality.) ES Receivers v1.0 Page 10
  • Sony STR-DA30ES | Technical Background - Page 11
    , the toroidal coils of Sony's Low Pass Filters are more expensive. But their contribution to sound is more than worth the price. MOS FET Output Transistors -amps at the output. But Sony ES engineers were after the best possible sound. So they selected deluxe Metal Oxide ES Receivers v1.0 Page 11
  • Sony STR-DA30ES | Technical Background - Page 12
    the STR-DA7100ES. The twelve black chips are the MOS FET output transistors for three channels (4 MOS FETs per channel). Sony output transistors heat away from the transistor. On the left, the MOS FET output transistor used in Sony's STRDA9000ES was 2 to 3 mm thick. At right, the MOS FETs used in
  • Sony STR-DA30ES | Technical Background - Page 13
    middle are Sony's S-Master Pro 32-bit LSIs, the CXD9773Q. On the right, the same circuit board with heat sink in position. Again, this runs counter to previous design practices for traditional amplifiers. Typically, output transistors generate so much heat that they need to ES Receivers v1.0 Page
  • Sony STR-DA30ES | Technical Background - Page 14
    of the chassis. Thanks to the cool running of Sony's S-Master Pro amplifier, the MOS FETs are located where exposed to vibration, radiated hum and noise. Operation is cool and consistent. And nothing intrudes STR-DA9000ES MOS FET, showing the double wire molecular bonding. ES Receivers v1.0 Page 14
  • Sony STR-DA30ES | Technical Background - Page 15
    reduce heat generation further still! Illustration of the bare transistor of the STR-DA7100ES MOS FET, showing connections for Source (S), Gate (G) and Drain S-Master Pro. (3) Preamp and video section. (4) Input signal processing. Note how small the power amplifier is. ES Receivers v1.0 Page 15
  • Sony STR-DA30ES | Technical Background - Page 16
    signals and supporting 480p and High Definition 720p and 1080i. But the best available connections are in the digital domain. And Sony has been quick to take advantage. Our STR-DA9000ES was one of the first A/V receivers to offer not one, but two Digital Visual Interface (DVI) inputs, with switching
  • Sony STR-DA30ES | Technical Background - Page 17
    audio are equally rich. For example, the HDMI output of Sony ES Series DVD players can support a full range of digital audio, including 2-channel stereo PCM, Dolby Digital® and DTS® 5.1-channel compressed audio and even uncompressed multi-channel PCM audio! With so many choices for video and audio
  • Sony STR-DA30ES | Technical Background - Page 18
    STR-DA7100ES into the reproduction chain. In this case, the source component DVD player can only talk to the next component in the chain, the receiver. DVD player with HDMI output Receiver with HDMI input & output Television with HDMI input Receiver, what is your input capability? The receiver
  • Sony STR-DA30ES | Technical Background - Page 19
    ? Two settings on the STR-DA7100ES receiver let you choose. DVD player with HDMI output Receiver with HDMI input & output Television with HDMI input Digital Video 720p Video capability of television Digital Audio 6.1 channels 48 kHz 24 bits Digital Audio 2 channels 48 kHz 16 bits Audio
  • Sony STR-DA30ES | Technical Background - Page 20
    with HDMI output ] : Default Receiver with HDMI input & output Television with HDMI input Digital Video 720p Digital Audio 6.1 channels 48 kHz 24 bits ES Receivers v1.0 Digital Video 720p Digital Audio 6.1 channels 48 kHz 24 bits Multi-channel sound from receiver available Digital Video 720p No
  • Sony STR-DA30ES | Technical Background - Page 21
    audio is available for playback on both the STR-DA7100ES receiver and the television. HDMI AUDIO [AAMMPP+TV] DVD player with HDMI output Receiver with HDMI input & output Television with HDMI input Digital Video 720p Digital Audio 2 channels 48 kHz 16 bits Digital Video 720p Digital Audio
  • Sony STR-DA30ES | Technical Background - Page 22
    and upconversion The STR-DA7100ES can switch between two HDMI sources and send the selected signal to a television, using two HDMI inputs and one output. But there's more. The receiver will also upconvert home video sources directed to a single output for your television. ES Receivers v1.0 Page 22
  • Sony STR-DA30ES | Technical Background - Page 23
    signal. And the STR-DA9000ES was Sony's first receiver to incorporate an i.LINK digital input. The DA71000ES carries D/A LPF convert Volume Analog Power Amp DVP-NS9100ES STR-DA7100ES Speakers SA- video systems. You can only connect the STR-DA7100ES i.LINK interface to a compatible digital
  • Sony STR-DA30ES | Technical Background - Page 24
    flow" to solve the problem. The system incorporates three principal elements. 1. Variable-speed transmission from the player. 2. Buffer memory in the receiver. 3. Command signals from the receiver to the player, controlling transmission speed. DVP-NS9100ES STR-DA7100ES With Sony HATS, audio data
  • Sony STR-DA30ES | Technical Background - Page 25
    the left, Sony cannot guarantee proper operation. The proper connection is shown on the right. The i.LINK processing of the STR-DA7100ES can also , Sony can only guarantee correct performance with the SCD-XA9000ES Super Audio CD/CD player and the DVP-NS9100ES DVD/SA-CD/CD player. ES Receivers v1
  • Sony STR-DA30ES | Technical Background - Page 26
    DSP Back in 1998, Sony became the first consumer products company to adopt the Analog Devices SHARC processor to a home audio product. In this way, The SHARC chip operates at a 200 MHz clock speed, 67% faster than the decoding DSP used in Sony's previous best receiver, the STR-DA9000ES. But the
  • Sony STR-DA30ES | Technical Background - Page 27
    a proprietary Sony A/DSD converter, the CXD9856. The device integrates A/DSD conversion and a decimation filter, and makes it possible to change the operation mode based on the signal type and subsequent DSP processing. Sony converts analog sources to digital with our own CXD9856. ES Receivers v1
  • Sony STR-DA30ES | Technical Background - Page 28
    STR-DA3100ES STR-DA2100ES Audio/Video Performance Series Receivers ES Receivers v1.0 Page 28
  • Sony STR-DA30ES | Technical Background - Page 29
    to the volume control setting. In this ways, Sony balances gain and volume control settings to achieve a 10-dB improvement in signal-tonoise ratio across most of the volume control operating range. So highresolution audio is reproduced against a background of silky silence. ES Receivers v1.0 Page
  • Sony STR-DA30ES | Technical Background - Page 30
    dB steps instead of 1 dB In Sony's previous OP design, the volume control operated in precise 1 dB steps. However Sony found during critical listening at high volume levels that smaller steps are sometimes useful. That's why the STR-DA3100ES and DA2100ES incorporate a refined OP Processing system
  • Sony STR-DA30ES | Technical Background - Page 31
    Plate for the STR-DA3100ES and DA2100ES. The plate establishes a "standard reference ground" for all circuits and reduces common impedance. Sony's Spider Grounding Plate uses ten points, plus substantially thicker connections to achieve a standard reference ground. ES Receivers v1.0 Page 31
  • Sony STR-DA30ES | Technical Background - Page 32
    -Line Design With seven channels of amplification, it's difficult to maintain uniformity. That's why Sony configured the STR-DA3100ES and DA2100ES power amplifiers with a a neat row, the output transistors of the STR-DA2100ES take advantage of Sony's Master In-Line design. ES Receivers v1.0 Page 32
  • Sony STR-DA30ES | Technical Background - Page 33
    this design the "S-form" or "sF" Fin design. The inside of the STR-DA3100 ES, showing the two sets of massive aluminum heat sinks. At this angle, sink fins. Low-filler speaker terminals The engineers of Sony's ES Series try to look at everything that influences the sound ES Receivers v1.0 Page 33
  • Sony STR-DA30ES | Technical Background - Page 34
    When Sony's engineers discovered that the speaker terminal pigments and filters actually compromised anti-resonant properties, we took the fillers out. ES Receivers v1.0 Page 34
  • Sony STR-DA30ES | Technical Background - Page 35
    Of course, the latest ES Series A/V receivers reflect the lessons learned in two decades of ES Series refinements and improvements. These models have the full complement of ES Series decoding, Digital Signal Processing, control and integration technologies. • Silver cascade design (DA3100ES and
  • Sony STR-DA30ES | Technical Background - Page 36
    of electronics is hidden away, ES Series receivers offer one infrared repeater input and two outputs. This means you can place an inconspicuous IR "eye" in the home theater room and still control your components. • RS-232C interface for control and upgrade (STR-DA2100ES and higher). To communicate
  • Sony STR-DA30ES | Technical Background - Page 37
    inputs/outputs Video Upconversion (best) Optical inputs/outputs Coaxial inputs Preamp output Front A/V input with optical digital audio Infrared repeater input/outputs RS-232C control/upgrade 12-volt trigger outputs Multi-Zone/Room Capability 2nd Room output 3rd Room output On screen display Remote
  • Sony STR-DA30ES | Technical Background - Page 38
    their respective owners. 1. i.LINK is a trademark of Sony used only to designate that product contains an IEEE 1394 connector. All products with an compatibility, operating conditions and proper connection. 2. Multi-brand remote may not be compatible with some brands or models. ES Receivers v1.0
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ES Series Receivers
Technical Background
Version 1.1; May 25, 2005