Sony KMS-2608/J1N Manual De Usuario

Descargar
Página de 64
MDS-JE440
SPECIFICATIONS
SERVICE MANUAL
MINIDISC DECK
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MDM-7A
Optical Pick-up Type
KMS-260B/J1N
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
US and foreign patents licensed form Dolby Laboratories
Licensing Corporation.
Inputs
Outputs
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-noiseratio 
Over 96 dB during play
Wow and flutter  
Below measurable limit
ANALOG IN 
Jack type:  phono
Impedance:  47 k
Ω
Rated input:  500 mVrms 
Minimum input:  125 mVrms
DIGITAL IN
Connector type:  square optical
Impedance:  660 nm (optical wave 
length)
ANALOG OUT
Jack type:  phono
Rated output:  2 Vrms (at 50 
k
Ω)
Load impedance:  over 10 k
Ω
DIGITAL OUT
Connector type:  square optical
Rated output:  –18 dBm
Load impedance:  660 nm (optical 
wave length)
— Continued on next page —