MZ-R5ST
AEP Model
UK Model
Tourist Model
SERVICE MANUAL
PORTABLE MINI DISC RECORDER
MICROFILM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol
a
are trademarks
of Dolby Laboratories Licensing Corporation.
Model Name Using Similar Mechanism
MZ-R50
Mini Disc Mechanism Type
MT-MZR50-143
Optical Pick-up Type
KMS-280A/J2N
U.S and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
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SPECIFICATIONS
System
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
λ
= 780 nm
Emission duration : continuous
Laser output : less than 44.6 mW
This output is the value measured at a distance of
200 mm from the objective lens surface on the
optical pick-up block with 7 mm aperture.
Recording and playback time
Maximum 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
Revolutions
400 rpm to 900 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon Code
(ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive TRansform Acoustic Coding
(ATRAC)
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Wow and Flutter
Below measurable limit
Recorder
Frequency response
20 to 20,000 Hz ± 3 dB
Input
MIC (PLUG IN POWER): stereo mini-
jack, 0.22 to 0.78 mV
Output
2
/REMOTE: stereo mini-jack, maximum
output level 5 mW + 5 mW, load
impedance 16
Ω
Station
Frequency response
5 to 20,000 Hz ± 0.5 dB
Input
LINE (ANALOG) IN: phono jack, rated
input level 500 mV
DIGITAL IN OPT1, OPT2: rectangular-
shaped optical plug, wavelength 660 nm
Output
LINE (ANALOG) IN: phono jack, rated
output level 500 mV, load impedance 10
kilohms or greater
ACTIVE SP OUT: stereo minijack, rated
output level 500 mV, load impedance 4.7
kilohms or greater
DIGITAL OUT: rectangular-shaped
optical plug, output level -17 dBm,
wavelength 660 nm
Ver 1.2 2001. 01
