Sony MZ-R701 Руководство по эксплуатации
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MZ-R701/R701DPC
SERVICE MANUAL
Ver 1.0 2002. 05
Ver 1.0 2001. 01
US and foreign patents licensed
from Dolby Laboratories.
MD recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs MQW
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 MDW-80
Maximum 160 min. in monaural
Maximum 320 min. in stereo
Revolutions
350 rpm to 2,800 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3-LP2
ATRAC3-LP4
Sony Corporation
9-874-004-01
2002E0400-1
Personal Audio Company
© 2002. 05
Published by Sony Engineering Corporation
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack, minimum
input level 0.35 mV
Line in: stereo mini-jack, minimum input
level 49 mV
Optical (Digital) in: optical (digital) mini-
jack
Outputs
i: stereo mini-jack, maximum output level
5 mW + 5 mW, load impedance 16 ohm
PORTABLE MINIDISC RECORDER
E Model
MZ-R701/R701DPC
Australian Model
East European Model
Chinese Model
MZ-G750/R700
MT-MZR700-172
LCX-4R
General
Power requirements
Sony AC Power Adaptor (supplied)
connected at the DC IN 3 V jack:
240 V AC, 50 Hz (Australian model)
220 V AC, 50 Hz (EE, CH, AR model)
230-240 V AC, 50 Hz (HK model)
100-240 V AC, 50/60 Hz (E model)
Nickel cadmium rechargeable battery
NC-WMAA (supplied)
LR6 (size AA) alkaline battery (not
supplied)
• Abbreviation
EE
: East European model
CH
: Chinese model
HK : Hong Kong model
AR
: Argentine model
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MZ-R701
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