File name sony_MDS-S50_service_manual.pdfMDS-S50
SERVICE MANUAL
Ver 1.0 2001.02
US Model Canadian Model AEP Model UK Model E Model Australian Model
Photo: Gray model
US and foreign patents licensed from Dolby Laboratories.
Model Name Using Similar Mechanism MD Mechanism Type Optical Pick-up Name
NEW MDM-7A KMS-260B
SPECIFICATIONS
System 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
Outputs
PHONES ANALOG OUT Jack type: stereo phone Rated output: 10 mW Load impedance: 32 ohms Jack type: phono Rated output: 2 Vrms (at 50 kilohms) Load impedance: over 10 kilohms
General Power requirements
US and Canadian models: AEP, UK models: Australian models: Hong Kong models: Other models: 120 V AC, 60Hz 230 V AC, 50/60Hz 240 V AC, 50/60Hz 220-240 V AC, 50/60Hz 110-120/220-240 V AC, 50/60Hz Adjustable with voltage selector 15 W 280 × 84.5 × 290 mm (w/ h/d) incl. projecting parts and controls 2.4 kg
Power consumption Dimensions (approx.) Mass (approx.)
Inputs
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)
Supplied accessories
Audio connecting cords (2) Optical cable (1) Remote commander (remote) (1) R6 (size-AA) batteries (2) Design and specifications are subject to change without notice.
DIGITAL IN
MINIDISC DECK
9-929-257-11
2001B0500-1 C 2001.2
Sony Corporation
Audio Entertainment Group General Engineering Dept.
MDS-S50
SELF-DIAGNOSIS FUNCTION
The deckís self-diagnosis function automatically checks the condition of the MD deck when an error occurs, then issues a threeor 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 problem persist, consult your nearest Sony dealer.
C11/Protected
, Take out the MD and close the record-protect slot.
C12/Cannot Copy
· You tried to record a CD with a format that the external device connected to the deck does not support, such as CD-ROM or video CD. , Remove the disc and insert a music CD.
C13/REC Error
, Set the deck in a stable surface, and repeat the recording procedure. · The inserted MD is dirty (with smudges, fingerprints, etc.), scratched, or substandard in quality. , Replace the disc and repeat the recording procedure.
C13/Read Error
, Take o |