Sony MDS-JE470 Service Manual - Page 1

Sony MDS-JE470 - Md Player Manual

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SERVICE MANUAL Ver 1.0 2001. 05 MDS-JE470 US Model Canadian Model AEP Model UK Model E Model Australian Model US and foreign patents licensed form Dolby Laboratories Licensing Corporation. Model Name Using Similar Mechanism MD Mechanism Type Optical Pick-up Type MDS-S50 MDM-7A KMS-260B/260E SPECIFICATIONS System Disc Laser Laser output MiniDisc digital audio system MiniDisc Semiconductor laser ( λ =780 nm) Emission duration: continuous MAX 44.6 µW1) 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 Revolutions (CLV) Error correction Sampling frequency Coding Modulation system Number of channels Frequency response Signal-to-noise ratio Material: GaAlAs 400 rpm to 900 rpm ACIRC (Advanced Cross Interleave Reed Solomon Code) 44.1 kHz ATRAC (Adaptive TRansform Acoustic Coding)/ATRAC 3 EFM (Eight-to-Fourteen Modulation) 2 stereo channels 5 to 20,000 Hz ±0.3 dB Over 96 dB during play Wow and flutter Below measurable limit I nputs ANALOG IN DIGITAL OPTICAL IN Output s Jack type: phono Impedance: 47 kilohms Rated input: 500 mVrms Minimum input: 125 mVrms Connector type: square optical Impedance: 660 nm (optical wave length) ANALOG OUT Jack type: phono Rated output: 2 Vrms (at 50 kilohms) Load impedance: over 10 kilohms - Continued on next page - 9-873-891-11 2001E0200-1 © 2001.5 Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production Group MINIDISC DECK

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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
µ
W
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