Sony MDS-S50 specifications Specifications, I nputs, Outputs, MDS-JE470, Minidisc Deck, US Model

SERVICE MANUAL	MDS-JE470
	US Model
	Canadian Model
	AEP Model
Ver 1.0 2001. 05	UK Model
	E Model
	Australian Model

US and foreign patents licensed form Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism	MDS-S50
MD Mechanism Type	MDM-7A
Optical Pick-up Type	KMS-260B/260E

SPECIFICATIONS

System	MiniDisc digital audio
	system
Disc	MiniDisc
Laser	Semiconductor laser
	( λ =780 nm) Emission
	duration: continuous
Laser output	MAX 44.6 ∝W1)

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

I nputs

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 —

MINIDISC DECK

9-873-891-11	Sony Corporation
2001E0200-1	Home Audio Company
© 2001.5	Shinagawa Tec Service Manual Production Group