Sony MZ-R90 Analog PCLink Manuel d'entretien
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Également pour Sony MZ-R90 Analog PCLink : Manuel d'utilisation (20 pages), Fiche technique (2 pages), Garantie limitée (1 pages)
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SERVICE MANUAL
Ver 1.4 2001.01
With SUPPLEMENT-1
(9-927-187-83)
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
System
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
Maximum 80 minutes (MDW-80, stereo
recording)
Maximum 160 minutes (MDW-80, monaural
recording)
Maximum 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
Revolutions
400 rpm to 1,800 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon
Code (ACIRC)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Adaptive TRansform Acoustic Coding
(ATRAC)
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, 0.35–1.38 mV
Line in: stereo mini-jack, 69–194 mV
Optical (Digital) in: optical (digital) mini-jack
Outputs
i/LINE OUT*: stereo mini-jack
Headphones: maximum output level 5 mV +
5 mV, load impedance 16 ohm
MZ-R90/R91
Photo: MZ-R91 (Blue type)
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
LINE OUT: 194 mV, load impedance 10
kilohm
* The i/LINE OUT jack connects either
headphones or a line cable.
General
Power requirements
Sony AC Power Adaptor (supplied) connected
at the DC IN 3 V jack:
220–230 V AC, 50/60 Hz (European model)
120 V AC, 50 Hz (Canadian model)
100–240 V AC, 50/60 Hz (Other models)
Nickel metal hydride rechargeable battery NH-
14WM (supplied)
LR6 (size AA) alkaline battery (not supplied)
Battery operation time
1)
Battery life
Batteries
Recording
Playback
2)
NH-14WM
Approx.
Approx.
nickel metal
6.5 hours
12 hours
hydride
rechargeable
battery
LR6 (SG)
Approx.
Approx.
(size AA)
4 hours
16.5
Sony alkaline
hours
dry battery
NH-14WM
Approx.
Approx.
nickel metal
14.5 hours
29 hour
hydride
rechargeable
battery
+ One LR6
(SG) (size AA)
PORTABLE MINIDISC RECORDER
US Model
Canadian Model
Australian Model
Chinese Model
AEP Model
UK Model
E Model
Tourist Model
MZ-R90/R91
NEW
MT-MZR90-165
LCX-2R
1)
The battery life may be shorter due to
operating conditions and the temperature of
the location.
2)
When you record, use a fully charged
rechargeable battery.
Dimensions
MZ-R90
Approx. 78.9 × 17.3 × 72.0 mm (w/h/d)
×
× 2
1
11
7
(3
/
/
/
in.)
8
16
8
MZ-R91
Approx. 78.9 × 18.0 × 72.0 mm (w/h/d)
×
× 2
(3
1
/
23
/
7
/
in.)
8
32
8
Mass
MZ-R90
Approx. 105 g (3.7 oz) the recorder only
Approx. 148 g (5.2 oz) incl. a recordable MD,
and NH-14WM nickel metal hydride
rechargeable battery
MZ-R91
Approx. 110 g (3.8 oz) the recorder only
Approx. 153 g (5.4 oz) incl. a recordable MD,
and NH-14WM nickel metal hydride
rechargeable battery
Supplied accessories
AC power adaptor (1)
Headphones with a remote control (1) (RM-MZ2S)
NH-14WM nickel metal hydride rechargeable
battery (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch (1)
A
C plug adaptor (1)
Design and specifications are subject to
change without notice.
MZ-R90