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MDS-JE470
SPECIFICATIONS
SERVICE MANUAL
MINIDISC DECK
Model Name Using Similar Mechanism MDS-S50
MD Mechanism Type MDM-7A
Optical Pick-up Type KMS-260B/260E
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
US and foreign patents licensed form Dolby Laboratories
Licensing Corporation.
System MiniDisc digital audio
system
Disc MiniDisc
Laser Semiconductor laser
( λ = 780 nm) Emission
duration: continuous
Laser output MAX 44.6 µW
1)
1) 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.
Laser diode Material: GaAlAs
Revolutions (CLV) 400 rpm to 900 rpm
Error correction ACIRC (Advanced Cross
Interleave Reed Solomon
Code)
Sampling frequency 44.1 kHz
Coding ATRAC (Adaptive
TRansform Acoustic
Coding)/ATRAC 3
Modulation system EFM (Eight-to-Fourteen
Modulation)
Number of channels 2 stereo channels
Frequency response 5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio
Over 96 dB
during play
Wow and flutter Below measurable limit
Inputs
ANALOG IN Jack type: phono
Impedance: 47 kilohms
Rated input: 500 mVrms
Minimum input:
125 mVrms
DIGITAL OPTICAL IN Connector type: square
optical
Impedance: 660 nm
(optical wave length)
Outputs
ANALOG OUT Jack type: phono
Rated output: 2 Vrms (at
50 kilohms)
Load impedance: over
10 kilohms
— Continued on next page —
Ver 1.0 2001. 05
9-873-891-11
2001E0200-1
© 2001.5
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group