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JVC RX-D401 manual Hybrid Feedback Digital Amplifier Ver, Double analog feedback ensures, Driver

Models: RX-D401 RX-D402 RX-D702

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Hybrid Feedback Digital Amplifier

JVC technologies for satisfyingEvolutiontheofTHXHybridUltra2FeedbackcertificationDigital Amplifier (2)

Evolution of Hybrid Feedback Digital Amplifier (2)

RX-D702 RX-D402

*Also applies to RX-D401

Hybrid Feedback Digital Amplifier Ver. II

Double analog feedback ensures even lower distortion.

2
IN	+	PWM		Pre-	Demodulator
	+			Pre-
	-			Driver
	-	Modulator	PWM	Driver	(LPF)
		Phase Shift
		Master Clock
	Double analog feedback ensures
	even lower distortion.

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Page 47

Image 47

JVC RX-D401, RX-D702 Hybrid Feedback Digital Amplifier Ver, Double analog feedback ensures, even lower distortion, Driver

Contents

< 1 > < 2 > High-Power 7.1-ChannelA/V Control ReceiverseiversDesign Concepts HDMI --The Next-GenerationDigital Interface HDMIDCDi by FAROUDJA 1 High-QualityPicturesIts remarkable benefits include HDMI High-DefinitionMultimedia Interface --AnIndustry-Supported,Digital Audio/Video Interface Developed for Next-GenerationHome AV DevicesDisplay „ Single-CableConnectionsDisplay ReceiverFAROUDJA DVD/VDR/D-VHS/STBDisplay HDMI480i/p, 720p DVD/VDR/D-VHS/STBDisplay HDMIFleshtone Adaptive 3D Deinterlacer3D Noise Reduction 3D Cross ColorCross-ColorSuppression EffectEffectExamplesExamples113D Deinterlacer Jagged Edges on Diagonal LinesFleshtone Adaptive Noise Reduction EffectEffectExamplesExamples22Superior Sound Quality Matching CD/DVD Wireless USB ConnectionUSB Connection Transmission of Stereo Audio Signals from PCNote PC or Desk-TopPC USB ConnectionChannel Key ID Key User ID Learning FunctionAuto Scan TransmitterFeature BluetoothWifi/802.11b Delay TimeNote PC or Desk-TopPC USB ConnectionP.E.M. D.D. Converter CC Converter24-bit for CDs, DVDs, etcfor MP3, WMA, etc BackgroundBackground< 19 > Process of Playing Digital Music< 20 > A/D and D/A Conversion in Amplitude Domain< 21 > A/D and D/A Conversion in Frequency DomainCCCCConverterConverter CC Converter Block DiagramHi-bitExpansion Processing BitBitExpansionExpansionSectionSectionRangeRangeExpansionExpansionSectionSection Range Expansion Block Diagram< 25 > CC ConverterCOMPRESSION MODEE for MP3, WMA, etc Expansion ON Expansion OFFLINEAR MODE for CDs, DVDs, etc Level dB Frequency kHzAlso applies to RX-D401 D.D. ConverterP.E.M. D.D. Converter < 27 >P.E.M. D.D. Converter Noise Shaping Response/Noise SpectrumNoise Shaping Response Theoretical Noise SpectrumDigital IN AnalogAnalog ININDVD Audio IN P.E.M. D.D. ConverterL/RL/R Digital INAnalog ININ DVD Audio INJVC exclusive DSP JVC exclusive DSP FeaturesAdvantages 5.1-channelPlayback JVC’sJVC’sDSPDSPStereo Playback 7-ChannelDAP Playback Front RearTime Series Analysis of Simulated Hall Acoustics Impulse ResponseEarly Reflections ReverberationsLIVE CLUB DAPDAPModesModes11THEATER THEATERJVC exclusive DSP DAPDAPModesModes22DAP Modes for RX-D702/D402/D401 „ Level: ±8dB, 2dB steps OUTOUT 3D3DHeadphoneHeadphoneHigh Midnight ModeProcessing MidnightMidnightModeModeCenterCenter--ChannelChannelAlignmentAlignment < 42 > SmartSmartSurroundSurroundSetupSetup5 Hybrid Feedback Digital Amplifier Hybrid Feedback Digital AmplifierplifierHybrid Feedback Digital Amplifierplifier VerVer.. PWM Pulse Width Modulation Background --What is PWM?Generation of PWM Signals Heat GenerationError & Distortion Digital feedback --for significantly improving Hybrid Feedback Digital AmplifierIN + the precision of PWM signal generationDriver Hybrid Feedback Digital Amplifier Ver.Double analog feedback ensures even lower distortionIN + Phase Shift Master ClockJCV8015 Hybrid Feedback Digital Amplifier Ver.Hybrid Feedback Digital Amplifier Ver. Low-VoltagePower Supply+ Power Supply Power Supply< 50 > One-ChipSolution with JCV8015Symmetrical Layout L-chR-ch L-choutJCV8015 Benefits 2 --PWM Modulator/External Clock Ultra-High-Speed Comparator Input Audio SignalsHigh-PrecisionPWM Modulator Synchronization by an External Clock2.5VRegulator Improved Sound Qualitynoise interference to analog GND ETQA15 2SK3770-01MRIRFB4212 IRS20124Comparison of Speaker Driveability RX-D702 Non-FeedbackAmp0.01Hybrid Feedback Digital Amp RX-D702 0.001 0.01 0.1 1 10 Output Power W /6Ω0.004% Non-FeedbackAmpRear Panel Supplementary InformationOSDOSDSuperimposedSuperimposedononScreenScreen58 Rear Panelinformation --including the Smart Surround Setup processes --superimposed on yourOSD Superimposed on Screen The RX-D702displays a wide range ofProduct Highlights Basic FeaturesRX-D702BControl Receiver Product Highlights Basic FeaturesRX-D402BControl Receiver < 61 > For RX-D702BFor RX-D402B/RX-D401S < 62 > RX-D702B RX-D402B/RX-D401S< 63 >