File name sony_MDS-JE470_service_manual.pdfMDS-JE470
SERVICE MANUAL
Ver 1.0 2001. 05
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
MiniDisc digital audio system Disc MiniDisc Laser Semiconductor laser ( =780 nm) Emission duration: continuous Laser output 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 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 System
I nputs
ANALOG IN Jack type: phono Impedance: 47 kilohms Rated input: 500 mVrms Minimum input: 125 mVrms Connector type: square optical Impedance: 660 nm (optical wave length)
DIGITAL OPTICAL IN
Outputs
ANALOG OUT Jack type: phono Rated output: 2 Vrms (at 50 kilohms) Load impedance: over 10 kilohms
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MINIDISC DECK
9-873-891-11
2001E0200-1 © 2001.5
Sony Corporation
Home Audio Company Shinagawa Tec Service Manual Production Group
MDS-JE470
General Power requirements
U.S.A. and Canadian models: 120 V AC, 60Hz European model: 230 V AC, 50/60Hz Australian model: 240 V AC, 50/60Hz Hong Kong model: 220 240 V AC, 50/60Hz Other models: 110 120/220 240 V AC, 50/60Hz Adjustable with voltage selector Power consumption 14 W (0.5 W in standby mode) Dimensions (approx.) 430 X 95 X285 mm (w/h/d) incl. projecting parts and controls Mass (approx.) 3.0 kg
Supplied accessories
Audio connecting cords (2) Optical cable (1) Remote commander (remote) (1) R6 (size-AA) batteries (2) US and foreign patents licensed from Dolby Laboratories. Design and specifications are subject to change without notice.
SELF-DIAGNOSIS FUNCTION
The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following "Procedure for using the SelfDiagnosis Function (Error History Display Mode)".
Self-diagnosis function
The deck's self-diagnosis function automatically checks the condition of the MD deck when an error occurs, then issues a three- or five-digit code and an error message on the display. If the code and message alternate, find them in the following table and perform the indicated countermeasure. Should the prob |