SERVICE MANUAL
Ver 1.0 2004.05
US and foreign patents licensed from Dolby
Laboratories.
• 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.
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
380 rpm to 2,700 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst
Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sony Corporation
9-877-841-01
Personal Audio Company
2004E05-1
Published by Sony Engineering Corporation
© 2004.05
MZ-NH600D
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
ATRAC3plus (Adaptive TRansform
Acoustic Coding 3 plus)
MD:
ATRAC
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
Outputs
1)
i
: stereo mini-jack
Maximum output (DC)
Headphones:
5 mW + 5 mW (16 Ω)
Power requirements
One LR6 (size AA) alkaline battery (not
supplied)
PORTABLE MINIDISC PLAYER
US Model
Canadian Model
NEW
MT-MZNH900-181
ABX-U
Operating temperature
+5°C (+41°F) to +35°C (+95°F)
Dimensions
Approx. 83.6 × 28.9 × 77.0 mm (w/h/d)
× 1
× 3
3
3
1
(3
/
/
/
in.) (excluding projecting
8
16
8
parts and controls)
Mass
Approx. 99 g (3.5 oz) (the player only)
1)
Measured in accordance with JEITA.
Supplied accessories
Headphones (US)
Earphones (Canadian)
Dedicated USB Cable
CD-ROM (Sonic Stage Ver. 2.0/MD Simple
Burner Ver. 2.0)*
*Do not play a CD-ROM on an audio CD player.
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