Sony STR-DA5ES Technical Background

Sony STR-DA5ES - Fm Stereo/fm-am Receiver Manual

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  • Sony STR-DA5ES | Technical Background - Page 1
    ES Series Receivers Technical Background Version 1.1; May 25, 2005
  • Sony STR-DA5ES | Technical Background - Page 2
    these questions into being. Thanks in part to this expertise, 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, particularly the STRDA7100ES, establish an important
  • Sony STR-DA5ES | Technical Background - Page 3
    camcorders. And in Japan, we marketed the world's first Blu-ray Disc™ High Definition recorder. This heritage, unmatched in home entertainment, has inspired Sony engineers since the very birth of the ES Series, leading us to create landmarks in home entertainment: • The world's first CD player with
  • Sony STR-DA5ES | Technical Background - Page 4
    delicate," "pure," "relaxed," "open," "fantastic," and "a revelation." Not content with establishing a new benchmark in A/V receiver sound quality, the engineers of Sony's ES Series continue to press ahead with an upgraded, 32-bit S-Master Pro LSI, redesigned MOS FET transistors and a fresh approach
  • Sony STR-DA5ES | Technical Background - Page 5
    Negative Feedback (NFB) used to correct this can trigger other problems like Transient Intermodulation Distortion. Commonly understood for decades, these limitations paths and chasing down transient distortions. Sony engineers sought a better way. Sony's S-Master Pro circuitry overcomes these
  • Sony STR-DA5ES | Technical Background - Page 6
    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. There is no Digital-to-Analog (D/A) converter. Instead, the amplifier accepts all digital signals
  • Sony STR-DA5ES | Technical Background - Page 7
    "Jitter" or time-base errors can degrade the accuracy of digital signals. That's why the first stage of the S-Master Pro process is Sony's Clean Data Cycle. This regenerates the digital signal with time-axis accuracy equivalent to the original A/D converter at the recording studio. In ES Receivers
  • Sony STR-DA5ES | Technical Background - Page 8
    of information, no loss of detail. Sound quality is maintained from very low volume settings all the way to maximum. S-Master Pro Benefits Sony's S-Master Pro design delivers a host of benefits. • Simplicity. Digital signals remain in the digital domain until the last possible moment. The purity
  • Sony STR-DA5ES | Technical Background - Page 9
    to Transient Intermodulation Distortion and other dynamic problems. In contrast, the Sony S-Master Pro amplifier achieves excellent fidelity without . Music comes alive. Independent reviewers have heaped praise on Sony's S-Master Pro amplifier. But you don't need a magazine review (or a white paper)
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    digital audio sources. • Higher accuracy for the 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 femtoseconds. One femtosecond is 1/1,000,000,000,000
  • Sony STR-DA5ES | Technical Background - Page 11
    coils, but they will hear the benefits in clean, open, non-fatiguing music reproduction. Shown here wrapped in black, 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 In traditional amplifiers
  • Sony STR-DA5ES | Technical Background - Page 12
    FET output transistors for three channels (4 MOS FETs per channel). Sony output transistors are remarkable for their internal wiring and bonding, their 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-DA5ES | Technical Background - Page 13
    -layer circuit board (bottom). On the left, the STR-DA7100ES power amplifier without the heat sink. The four large black ICs in the 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
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    find the output transistors bonded to heavy aluminum heat sinks somewhere at the back or sides of the chassis. Thanks to the cool running of Sony's S-Master Pro amplifier, the MOS FETs are located where the circuit topology is shortest and simplest-lined up side-by-side, right in the middle
  • Sony STR-DA5ES | Technical Background - Page 15
    Building on this experience, the redesigned MOS FETs for the STRDA7100 use "sheet metal molecular bonding." In this design, the semiconductor and the three Source electrodes are connected by an aluminum sheet. (The other electrode is the Gate. The Drain on the bottom of the FET is die attached.)
  • Sony STR-DA5ES | Technical Background - Page 16
    Pb/Pr component video, which is capable of going beyond conventional 480i Standard Definition 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
  • Sony STR-DA5ES | Technical Background - Page 17
    and digital precision-all on a single cable! The options for 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
  • Sony STR-DA5ES | Technical Background - Page 18
    Next, the components communicate their input/output capabilities. DVD player with HDMI output What is your input capability? Television with HDMI input I can accept 720p video and 2channel audio at 48 kHz and 16 bits. Finally, the components agree on the highest available quality options for
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    DVD player with HDMI output Receiver with HDMI input & output Television with HDMI input Television, what is your input capability? Digital Video 720p Digital Audio 2 channels 48 kHz 16 bits Now the receiver has two sets of audio capability to consider. The receiver itself can handle 6.1
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    HDMI AUDIO [ AMP ] : Default HDMI AUDIO [AMP+TV] When you choose HDMI AUDIO [AMP], the receiver ignores the television's request for audio and submits its own audio specification back to the HDMI source component. HDMI AUDIO [ AMP ] DVD player with HDMI output Receiver with HDMI input & output
  • Sony STR-DA5ES | Technical Background - Page 21
    Choosing HDMI AUDIO [AMP+TV] sets up a different set of capabilities. In this case, the receiver ignores its own highest audio capabilities and passes the television's request for audio back to the source component. HDMI AUDIO [AMP+TV] DVD player with HDMI output Receiver with HDMI input & output
  • Sony STR-DA5ES | Technical Background - Page 22
    • AC Power. All components must be switched on in order for the system to work. You can't use HDMI connections through the receiver if the receiver is switched off. • Anti-piracy. To prevent the piracy of very high quality digital signals, HDMI also incorporates a security method called High-
  • Sony STR-DA5ES | Technical Background - Page 23
    first SA-CD player to provide an i.LINK digital output for the 1-bit DSD signal. And the STR-DA9000ES was Sony's first receiver to incorporate an i.LINK digital input. The DA71000ES carries this ability forward, maintaining the signal in the digital domain and simplifying the signal
  • Sony STR-DA5ES | Technical Background - Page 24
    command-based rate control of isochronous data flow" to solve the problem. The system incorporates three principal elements. 1. Variable-speed transmission to the player, controlling transmission speed. DVP-NS9100ES STR-DA7100ES With Sony HATS, audio data flows from the player to the receiver's
  • Sony STR-DA5ES | Technical Background - Page 25
    digital audio formats, including Dolby Digital® and dts® compressed streams and DVD-Audio. However, the performance depends on the connected players. At this time, 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
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    traces leading into the SHARC chip. CB Programming 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 chip is even faster that its clock speed suggests. Because it offers a dual processing core, it is
  • Sony STR-DA5ES | Technical Background - Page 27
    C compiler means sacrificing much of the performance advantage of the second processing core. Thanks to our long experience programming DSPs, Sony engineers were able to develop the "CB compiling" technique. This dramatically reduces wasted coding efficiency and assures that both calculation cores
  • Sony STR-DA5ES | Technical Background - Page 28
    STR-DA3100ES STR-DA2100ES Audio/Video Performance Series Receivers ES Receivers v1.0 Page 28
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    on the STRDA3100ES, DA2100ES and DA1000ES. The system varies the preamp negative feedback according 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
  • Sony STR-DA5ES | Technical Background - Page 30
    system that enables you to vary the volume setting in precise, 0.5 dB steps! Optimum Preamplification is made possible by Sony's proprietary CXD9725 integrated circuit. Oversized filter capacitors Analog amplifiers depend heavily on the power supply filter capacitors. Because these devices
  • Sony STR-DA5ES | Technical Background - Page 31
    inside the chassis all "see" a common ground. Unfortunately, slight differences in grounding can have a subtle impact on the sound. That's why Sony created a Spider Grounding Plate for the STR-DA3100ES and DA2100ES. The plate establishes a "standard reference ground" for all circuits and reduces
  • Sony STR-DA5ES | Technical Background - Page 32
    transistor mounted on the same plate. Master In-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 master in-line design. This achieves uniformity in both electrical and mechanical
  • Sony STR-DA5ES | Technical Background - Page 33
    sinks. At this angle, the s-Form ribs appear as circles on the white aluminum heat sink fins. Low-filler speaker terminals The engineers of Sony's ES Series try to look at everything that influences the sound quality, however subtle. Their examinations have prompted us to reconstitute the chemical
  • Sony STR-DA5ES | 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-DA5ES | Technical Background - Page 35
    , the Surround speakers are driven in three groups (SL, SB and SR). • Full complement of digital and analog surround decoding (all models). Sony provides decoding for all of the following sources: o Dolby Digital® surround sound o Dolby Digital EX 6.1-channel sound o Dolby® Pro Logic® surround sound
  • Sony STR-DA5ES | Technical Background - Page 36
    providing greater versatility when connecting a second DVD player, an HDTV tuner or other digital video source component. • A/B speaker terminals ( modern A/V receivers is severely limited. At the request of ES Series dealers, Sony found a way to add a set of B speaker terminals. Conclusion Beginning
  • Sony STR-DA5ES | Technical Background - Page 37
    Features and specifications Feature Power output, all channels driven into 8 ohms, 20 to 20,000 Hz S-Master Pro Amplifier 32-bit S-Master Pro process Power MOS FET output transistors, four per channel DC Phase Linearizer Dolby Digital® EX decoding dts® ES decoding dts 96/24 decoding Dolby® Pro
  • Sony STR-DA5ES | Technical Background - Page 38
    . Blu-ray Disc is a trademark of the Blu-ray Disc Founders. All other trademarks are property of 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 IEEE 1394 connector may not communicate with each other
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ES Series Receivers
Technical Background
Version 1.1; May 25, 2005