Sony MDS-PC3 specifications Specifications

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MDS-PC3

SERVICE MANUAL

US Model

Canadian Model

AEP Model

UK Model

E Model

Photo: SILVER

US and foreign patents licensed form Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism

MDS-JE640

 

 

MD Mechanism Type

MDM-7A

 

 

Optical Pick-up Type

KMS-260B/J1N

 

 

SPECIFICATIONS

System

Disc

Laser

Laser output

Laser diode Revolutions (CLV) Error correction

Sampling frequency Coding

Modulation system

Number of channels Frequency response Signal-to-noise ratio Wow and flutter

MiniDisc digital audio system MiniDisc

Semiconductor laser (λ = 780 nm) Emission duration: continuous

Less than 44.6 W*

*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.

Material: GaAlAs

400 rpm to 900 rpm

Advanced Cross Interleave Reed Solomon Code (ACIRC)

44.1 kHz

Adaptive Transform Acoustic Coding (ATRAC)

EFM (Eight-to-Fourteen Modulation)

2 stereo channels

5 to 20,000 Hz ±0.5 dB Over 94 dB during playback Below measurable limit

General

Where purchased

Power requirements*

U.S.A. and Canada

120 V AC, 60 Hz

 

 

Other countries

220 – 230 V AC, 50/60 Hz

 

 

* Using an AC power adaptor (supplied)

Power consumption

7 W

Dimensions (approx.)

152 52 255 mm (6 2 1/8

 

10 1/8 inches) (w/h/d) incl.

 

projecting parts and controls

Mass (approx.)

1.0 kg (2 lb 4 oz)

Supplied accessories

AC power adaptor (1)

Audio connecting cord

(stereo mini-plug 1 ystereo mini-plug 1)

(1)

Optical cable (1)

Remote commander (remote) RM-D52M (1)

PC connecting kit PCLK-MN10* (1)

Inputs

LINE (ANALOG) IN

Jack type: stereo-mini

 

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

LINE (ANALOG) OUT (VARIABLE)

Jack type: stereo-mini

Rated output: 1 Vrms (at 50 kilohms)

Load impedance: Over 10 kilohms

DIGITAL (OPTICAL) OUT

Connector type: square optical

 

Rated output: –18 dBm

 

Impedance: 660 nm (optical wave

 

length)

PHONES

Jack type: stereo-mini

 

Rated output: 5 mW

 

Load impedance: 32 ohms

*Required for operation by personal computer. For details, refer to the operating instructions supplied with the PCLK-MN10.

MINIDISC DECK

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Contents MDS-PC3 SpecificationsTOC t Edit t TOC Edit t blank t SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Disassembly Table of ContentsDiagrams Table of Error CodesFlexible Circuit Board Repairing Section Service NotesLead free soldering JIG for Checking BD Board Waveform Record Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table General Section Remote Parts DescriptionUsing the Display Hooking Up MD Mechanism Deck MDM-7A Section DisassemblyOver Light Head HR901, BD MD Board Main BoardLoading Motor Assy M103 Holder AssyOptical PICK-UP MD KMS-260B/JIN Sled Motor Assy M102, SliderSpindle Motor Assy M101 Precautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeDisplay Details Mark Group Selecting the Test ModeOperating the Continuous Playback Mode Mode display Test Mode DisplaysError rate display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function Meanings of Other DisplaysInformation Parts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement Adjustment flow Precautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Diagrams MDS-PC3 Block Diagrams BD SectionSclk Cclk Main SectionSemiconductor Printed Wiring Board BD SectionPIN Function MDS-PC3 Printed Wiring Board Main Section PIN Functon MDS-PC3 Printed Wiring Board Panel Section Schematic Diagram Panel Section See page 35 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsLB1830M-S-TE-L Main Board BH3541F-E2 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci IC300 M30805SGP Main Board Shck MNT1 Chassis Section Section Exploded Views319 302 320 317 304 308 303 305 306 301 318 307 Mechanism MDM-7A351 MechanismRemarks Ref. No Description Section Electrical Parts ListMetal Chip Main PIN, Connector 2P Diode Main Panel KEY REFLECT/PROTECT SW MDS-PC3 Panel