SERVICE MANUAL
PORTABLE MINIDISC PLAYER
E Model
SPECIFICATIONS
MZ-E505
US and foreign patents licensed from Dolby
Laboratories.
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Model Name Using Similar Mechanism
NEW
Mechanism Type
MT-MZE505-176
Optical Pick-up Name
LCX-4E
Ver 1.0 2002. 02
9-873-487-01
Sony Corporation
2002B0500-1
Personal Audio Company
C
2002.02
Published by Sony Engineering Corporation
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
Approx. 300 rpm to 2,700 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
ATRAC3: LP2/LP4
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
Outputs
Headphones/earphones: stereo mini-jack,
maximum output level
5 mW + 5 mW load impedance 16
Ω
Power requirements
Player:
Nickel metal hydride rechargeable
battery
One NH-14WM(A) (supplied): 1.2V,
1,350 mAh
One LR6 (size AA) battery (not
supplied)
Battery charging stand:
AC power adaptor DC 3V, AC 100V,
50/60Hz
Dimensions
Approx. 74.5
×
81.0
×
17.6 mm (w/h/d)
(3
×
3
1
/
4
×
23
/
32
in.)
(not including projecting parts and controls)
Mass
Approx. 73 g (2.6 oz) (the player only)
Supplied accessories
Headphones/earphones (1)
Battery charging stand (1)
AC power adaptor (for the supplied battery
charging stand) (1)
Rechargeable battery (1)
Rechargeable battery carrying case (1)
Dry battery case (1)
Carrying pouch (1)
