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SERVICE MANUAL
PORTABLE MINIDISC RECORDER
US Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
SPECIFICATIONS
MZ-NH1
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 (Refer
to page 94 for details)
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 3,600 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:
Linear PCM (44.1 kHz/16 bit) — PCM
AT RAC 3plus (Adaptive TRansform
Acoustic Coding 3 plus)
MD:
AT RAC
AT RAC3 — 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
1)
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) input
Outputs
i/LINE OUT
2)
: stereo mini-jack (dedicated
emote control jack)/194 mV (10 kΩ)
Maximum output (DC)
2)
Headphones:
5 mW + 5 mW (16 Ω)
Power requirements
Sony AC Power Adaptor connected at the DC
IN 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. and
Hong Kong)
220 V AC, 50 Hz (Model for China)
100 - 240 V AC, 50/60 Hz (Other models)
The recorder:
Lithium-ion rechargeable battery
LIP-4WM, 3.7 V, 370 mAh, Li-ion
Battery charging stand:
AC power adaptor DC 6V
Operating 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 Linear
PCM
Hi-SP Hi-LP
Recording
continuously
68.59.5
Playing
continuously
10 15.5 18
When Linear
PCM
Hi-SP Hi-LP
Recording
continuously
589
Playing
continuously
8 14.5 17.5
Ver 1.1 2004.09
US and foreign patents licensed from Dolby
Laboratories.
Model Name Using Similar Mechanism NEW
MD Mechanism Type MT-MZNH1-181
Optical Pick-up Name ABX-U
9-879-075-02
2004I05-1
© 2004.09
Sony Corporation
Personal Audio Company
Published 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 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.
•Pentium is a trademark or registered trademark of Intel Corporation.
• All other trademarks and registered trademarks are trademarks or registered trademarks of their
respective holders.
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