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PORTABLE MINIDISC RECORDER
MZ-B100
SERVICE MANUAL
Tourist Model
Ver 1.0 2001.10
9-873-341-01
2001J0200-1
© 2001.10
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
SPECIFICATIONS
Model Name Using Similar Mechanism NEW
Mechanism Type MT-MZB100-171
Optical Pick-up Name LCX-4R
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation
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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
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/LP4
Modulation system
EFM (Eight to Fourteen Modulation)
Speaker
28 mm (1
1
/8 in.) dia.
Frequency response (digital/analog input)
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack
(minimum input level 0.25 mV)
Line in
1)
:
stereo mini-jack for analog input
(minimum input level 39 mV)
optical (digital) mini-jack for optical
(digital) input
Outputs
i : stereo mini-jack (dedicated remote control
jack)
Maximum output (DC)
2)
Headphones: 5 mW + 5 mW (16 ohm)
Speaker: 70 mW