Sony MDS-JB980 User Manual

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 100 dB during play

Wow and flutter

Below measurable limit

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)

DIGITAL COAXIAL IN  Jack type: phono

Impedance: 75 ohms
Rated input: 0.5 Vp-p, 
±20%

T.Mark

LS(T)

Auto

S.Space

P.Hold

F.in

F.out

Pitch

Pfine

Aout

Sleep

Display

Keyboard?

LPstamp