Sony MZ-NH1 Service Manual

Also see for Hi-MD Walkman MZ-NH1: Limited warranty Operating instructions Operating instructions Specifications Specification sheet

Contents

SERVICE MANUALPORTABLE MINIDISC RECORDERUS ModelAEP ModelUK ModelE ModelAustralian ModelChinese ModelTourist ModelSPECIFICATIONSMZ-NH1Audio playing systemMiniDisc digital audio systemLaser diode propertiesMaterial: GaAlAsWavelength: λ = 790 nmEmission duration: continuousLaser output: less than 44.6 μW(This output is the value measured at a distanceof 200 mm from the lens surface on the opticalpick-up block with 7 mm aperture.)Recording and playback time (Referto page 94 for details)When using HMD1G (1GB disc):Maximum 34 hours in Hi-LP stereoWhen using MDW-80 in Hi-MD mode:Maximum 10 hours and 10 min. in Hi-LPstereoWhen using MDW-80 in MD mode:Maximum 160 min. in monauralMaximum 320 min. in LP4 stereoRevolutions350 rpm to 3,600 rpm (CLV)Error correctionHi-MD:LDC (Long Distance Code)/BIS (BurstIndicator Subcode)MD:ACIRC (Advanced Cross Interleave ReedSolomon Code)Sampling frequency44.1 kHzSampling rate converterInput: 32 kHz/44.1 kHz/48 kHzCodingHi-MD:Linear PCM (44.1 kHz/16 bit) — PCMATRAC3plus (Adaptive TRansformAcoustic Coding 3 plus)MD:ATRACATRAC3 — LP2/LP4Modulation systemHi-MD:1-7RLL (Run Length Limited)/PRML(Partial Response Maximum Likelihood)MD:EFM (Eight to Fourteen Modulation)Frequency response20 to 20,000 Hz ± 3 dBInputs1)MIC: stereo mini-jack(minimum input level 0.13 mV)Line in:stereo mini-jack for analog input(minimum input level 49 mV)optical (digital) mini-jack for optical(digital) inputOutputsi/LINE OUT 2) : stereo mini-jack (dedicatedemote control jack)/194 mV (10 kΩ)Maximum output (DC)2)Headphones:5 mW + 5 mW (16 Ω)Power requirementsSony AC Power Adaptor connected at the DCIN 6V jack:120 V AC, 60 Hz (Models for USA, Canada,Mexico, and Taiwan)240 V AC, 50 Hz (Model for Australia)230 V AC, 50 Hz (Models for U.K. andHong Kong)220 V AC, 50 Hz (Model for China)100 - 240 V AC, 50/60 Hz (Other models)The recorder:Lithium-ion rechargeable batteryLIP-4WM, 3.7 V, 370 mAh, Li-ionBattery charging stand:AC power adaptor DC 6VOperating temperature+5° C (+41° F) to +35° C (+95° F)Hi-MD mode (When using a 60/74/80-minute standard disc)(Unit: approx.hours)(JEITA)Battery life 4)Hi-MD mode (When using a 1GB Hi-MD disc)(Unit: approx.hours)(JEITA 3) )When LinearPCMHi-SP Hi-LPRecordingcontinuously6 8.5 9.5Playingcontinuously10 15.5 18When LinearPCMHi-SP Hi-LPRecordingcontinuously5 8 9Playingcontinuously8 14.5 17.5Ver 1.1 2004.09US and foreign patents licensed from DolbyLaboratories.Model Name Using Similar Mechanism NEWMD Mechanism Type MT-MZNH1-181Optical Pick-up Name ABX-U9-879-075-022004I05-1© 2004.09Sony CorporationPersonal Audio CompanyPublished by Sony Engineering Corporation– Continued on next page –• SonicStage and SonicStage logo are trademarks or registered trademarks of Sony Corporation.• MD Simple Burner, OpenMG, “MagicGate”, “MagicGate Memory Stick”, “Memory Stick”, Hi-MD, Net MD, ATRAC, ATRAC3, ATRAC3plus and their logos are trademarks of Sony Corporation.• Microsoft, Windows, Windows NT and Windows Media are trademarks or registered trademarksof Microsoft Corporation in the United States and/or other countries.• IBM and PC/AT are registered trademarks of International Business Machines Corporation.• Macintosh is a trademark of Apple Computer, Inc. in the United States and/or other countries.• Pentium is a trademark or registered trademark of Intel Corporation.• All other trademarks and registered trademarks are trademarks or registered trademarks of theirrespective holders.