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SERVICE MANUAL
MD recorder
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:
ATRAC3plus (Adaptive TRansform Acoustic Coding 3 plus)
MD:
AT RA C
AT RA C3 −− 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
MIC: stereo mini-jack
(minimum input level 0.13 mV)
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
2)
: stereo mini-jack (dedicated remote control jack)
Maximum output (DC)
Headphones:
5 mW + 5 mW (24 Ω) (USA model)
3 mW + 3 mW (16 Ω) (European models)
5 mW + 5 mW (16 Ω) (Other models)
Radio (MZ-NHF800)
Frequency range
USA model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
TV: 2 - 13 CH
WEATHER: 1 - 7 CH
Canadian model:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz (10 kHz step)
531 - 1,710 kHz (9 kHz step)
Models for Europe and China:
FM: 87.5 - 108.0 MHz
AM: 531 - 1,602 kHz
Other models:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz
Antenna
FM/TV/WEATHER:
Headphones/earphones cord antenna
AM:
Built-in ferrite bar antenna
General
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
120 V AC, 60 Hz (Models for USA, Canada, Mexico, and Taiwan)
230 V AC, 50/60 Hz (Models for continental Europe and Chile)
240 V AC, 50 Hz (Model for Australia)
230 V AC, 50 Hz (Models for U.K. and Hong Kong)
115 V/230 V AC, 50/60 Hz (Other models in MZ-NHF800)
100 - 240 V AC, 50/60 Hz (Other models in MZ-NH700)
The recorder:
Nickel metal hydride rechargeable battery
NH-7WMAA 1.2V 700 mAh (MIN) Ni-MH
LR6 (size AA) alkaline battery
AC power adaptor DC 3V
Operating temperature
+5°C (+41°F) to +35°C (+95°F)
Dimensions
Approx. 81.0 × 29.2 × 78.9 mm (w/h/d)
(3
1
/
4
× 1
13
/
16
× 3
1
/
8
in.) (excluding projecting parts and controls)
Mass
Approx. 103 g (3.7 oz) (the recorder only)
Approx. 122 g (4.4 oz) (including the rechargeable battery)
1)
The LINE
2)
Measured in accordance with JEIAT.
IN (OPT) jack is used to connect either a digital
(optical) cable or a line (analog) cable.
PORTABLE MINIDISC RECEIVER
MZ-NH700
/
NHF800
Ver 1.1 2004.09
SPECIFICATIONS
– Continued on next page –
9-879-056-02
2004I05-1
© 2004.09
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
Model Name Using Similar Mechanism NEW
MD Mechanism Type MT-MZNH900-181
Optical Pick-up Name ABX-U
US Model
MZ-NHF800
Canadian Model
AEP Model
UK Model
E Model
Australian Model
MZ-NH700/NHF800
Chinese Model
Tourist Model
MZ-NH700
• SonicStage and SonicStage logo are trademarks or registered trademarks of Sony Corporation.
• 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.
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• 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.
Photo: MZ-NHF800