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MICROFILM
MZ-E90
SERVICE MANUAL
PORTABLE MINIDISC PLAYER
SPECIFICATIONS
E Model
Tourist Model
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
µ
W
(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.)
Revolutions
600 rpm to 2250 rpm
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
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Outputs
Headphones: stereo mini-jack,
maximum output level 5 mW + 5 mW, load
impedance 16 ohm
General
Power requirements
Nickel metal hydride rechargeable battery
NH-14WM (supplied)
One LR6 (size AA) battery (not supplied)
Sony AC Power Adaptor AC-E15L* (not
supplied) connected to the DC IN 1.5V jack
Battery operation time
Battery life*
Batteries
Playback
Ni-MH
Approx. 21 hours**
rechargeable battery
(NH-14WM)
One LR6 (size AA)
Approx. 31 hours
alkaline battery
One LR6 (size AA)
Approx. 56 hours**
alkaline battery
and a Ni-MH
rechargeable battery
(NH-14WM)
* The battery life may be shorter depending on
operating conditions and the temperature of the
location.
** With a fully charged battery
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US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MT-MZE90-166
Optical Pick-up Mechanism Type
LCX-2E
(Photo: Silver)
Ver 1.0 1999. 11
