Sony MD WALKMAN MZ-E300 Manual de servicio
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SERVICE MANUAL
Ver 1.2 2001.12
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 objective lens surface on the optical pick-up block with 7 mm
aperture.
Revolutions
Approx. 700 rpm to 1,500 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
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 limits
Power requirements
One LR6 (size AA) battery (not supplied)
Sony Corporation
9-873-064-13
Personal Audio Company
2001L0200-1
Published by Sony Engineering Corporation
© 2001.12
MZ-E300
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
Battery operation time
Battery life
Battery
LR6 (SG) Sony Alkaline dry battery
1)
Measured in accordance with the EIAJ (Electronic Industries
Association of Japan) standard (using a Sony MDW-series Mini-disc).
2)
When using a Sony LR6 (SG) "STAMINA" alkaline dry battery
(produced in Japan).
Note
The effective battery life may be shorter than that indicated above,
depending on operating conditions, the surrounding temperature, and
the battery type.
Dimensions
Approx. 83.0 x 26.7 x 76.5 mm (w/h/d) (3
(not including projecting parts and controls)
Mass
Approx. 83.0 g (3.0 oz) (the player only)
Supplied accessories
Headphones/earphones (1)
Design and specifications are subject to change without notice.
PORTABLE MINIDISC PLAYER
US Model
Canadian Model
AEP Model
E Model
Chinese Model
NEW
MT-MZE300-176
LCX-4E
(EIAJ
Playback
2)
Approx. 33 hours
3
/
x 1
1
/
x 3
1
/
in.)
8
16
8
1)
)