SERVICE MANUAL
PORTABLE MINIDISC RECORDER
AEP Model
E Model
SPECIFICATIONS
MZ-NH600
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the lens surface on the optical
pick-up block with 7 mm aperture.)
Recording and playback time
When using HMD1G (1GB disc):
Maximum 34 hours in Hi-LP stereo
When using MDW-80 in Hi-MD mode:
Maximum 10 hours and 10 min. in Hi-LP
stereo
When using MDW-80 in MD mode:
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
350 rpm to 3,000 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst
Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
AT RAC3plus (Adaptive TRansform Acoustic
Coding 3 plus)
MD:
AT RAC
ATRAC3 − LP2/LP4
Modulation system
Hi-MD:
1-7RLL (Run Length Limited)/PRML
(Partial Response Maximum Likelihood)
MD:
EFM (Eight to Fourteen Modulation)
Frequency response
20 to 20,000 Hz ± 3 dB
Inputs
LINE IN (OPT)
1)
:
stereo mini-jack for analog input
(minimum input level 49 mV)
optical (digital) mini-jack for optical (digital)
input
Outputs
i: stereo mini-jack
Maximum output (DC)
Headphones:
3 mW + 3 mW (16 Ω) (European models)
5 mW + 5 mW (16 Ω) (Other models)
Power requirements
One LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5°C (+41° F) to +35° C (+95° F)
1)
The LINE IN (OPT) jack is used to connect
either a digital (optical) cable or a line
(analog) cable.
Battery life
2)
Hi-MD mode (When using a 1GB Hi-MD disc)
(Unit: approx.hours)(JEITA
3)
)
2)
When using a new Sony LR6 (size AA) alkaline
dry battery (produced in Japan)
3)
Measured in accordance with the JEITA
(Japan Electronics and Information Technology
Industries Association) standard.
When Linear
PCM
Hi-SP Hi-LP
Recording
continuously
2.5 3.5 4.5
Playing
continuously
11.0 18.5 21.5
Ver 1.0 2004.05
US and foreign patents licensed from Dolby
Laboratories.
Model Name Using Similar Mechanism NEW
MD Mechanism Type MT-MZNH900-181
Optical Pick-up Name ABX-U
9-877-840-01
2004E05-1
© 2004.05
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
• SonicStage, MD Simple Burner, OpenMG, “Magic Gate”, “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
trademarks of 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.
• MMX and Pentium are trademarks or registered trademarks of Intel Corporation.
• All other trademarks and registered trademarks are trademarks or registered trademarks of their
respective holders.
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General
Weight and Dimensions
