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Sony MDS-JA50ES - Service Manual

Sony MDS-JA50ES
98 pages
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SPECIFICATIONS
Model Name Using Similar Mechanism NEW
MD Mechanism Type MDM-4A
Base Unit Type MBU-2B
Optical Pick-up Type KMS-210A/J-N
MDS-JA50ES
SERVICE MANUAL
US Model
AEP Model
UK Model
MINIDISC DECK
MICROFILM
Photo: GOLD
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Summary

Specifications Overview

Laser and Disc Specifications

Details laser properties, output, and disc type compatibility.

Audio Performance Specifications

Provides frequency response, S/N ratio, and wow/flutter details.

Input and Output Specifications

Details connector types, impedance, and signal levels for inputs/outputs.

Safety Check-out Procedures

AC Leakage Testing

Procedures for checking AC leakage from metal parts to ground.

Component Safety Warnings

Highlights critical components marked with A for safe operation.

Servicing Notes

Forced Reset Procedures

Describes methods for performing a forced system reset.

Test Mode Operations

Retry Cause Display Mode

Outlines steps to enter and use the retry cause display mode.

Fluorescent Display Tube Signs Interpretation

Explains the meaning of various signs displayed on the tube.

General Unit Information

Location of Parts and Controls

Identifies and describes the location and function of all controls and indicators.

Getting Started Guide

Setting the Internal Clock

Explains how to set the internal clock for date and time stamping.

Playing an MD Disc

Guides on how to play back an MD disc.

MD Recording Operations

Recording an MD Disc

Step-by-step guide on how to record audio onto an MD.

Track Number Marking Methods

Details how track numbers are marked based on recording source and settings.

Recording Level Adjustment

Adjusting Digital Recording Level

Steps for adjusting the digital recording level.

No Clip Function for Digital Recording

Explains the No Clip Function for digital recording.

MD Playback Features

Using the Display for Information

How to use the display to check disc and track information.

Locating Specific Tracks

Overview of methods to locate specific tracks using controls.

MD Editing Functions

Erasing Recordings (Erase Function)

How to erase single tracks or all tracks on an MD.

Dividing Recorded Tracks Function

How to divide existing tracks into multiple parts.

Moving Recorded Tracks Function

How to change the order of tracks on an MD.

Disassembly Procedures

Tray Assembly Disassembly

Detailed steps for disassembling the tray assembly.

Component Attachment Precautions

Guidance on precautions to take when reassembling parts.

Test Mode Operations

Entering Test Mode

Instructions on how to enter the test mode.

Selecting Available Test Modes

Lists the available test modes selectable via the AMS knob.

Continuous Playback Mode Operation

Detailed steps for operating the continuous playback test mode.

Electrical Adjustments

Laser Diode Emission Checking Precautions

Safety precautions for checking laser diode emission.

Optical Pick-up Handling Precautions

Precautions for handling the optical pick-up to prevent damage.

General Adjustment Precautions

General precautions and order for performing electrical adjustments.

Traverse Adjustment

Traverse Adjustment Method

Step-by-step method for traverse adjustment.

Error Rate Checks

CD Error Rate Check Procedure

Checking error rates on a CD.

MO Error Rate Check Procedure

Checking error rates on an MO disc.

Diagrams Overview

Block Diagrams - BD Section

Block diagram of the BD section.

Circuit Boards Location Guide

Diagrams showing the location of various circuit boards.

Waveform Diagrams

Illustrates waveforms for various sections of the unit.

Printed Wiring Board Diagrams

BD Board (Side A) Wiring Diagram

Printed wiring diagram for BD Board Side A.

Digital Board (Side A) Wiring Diagram

Printed wiring diagram for the Digital Board Side A.

MD Section Printed Wiring Boards

Printed wiring diagrams for the MD section components.

Schematic Diagrams

DIO Board Schematic Diagram

Schematic diagram for the DIO board.

Power Section Schematic Diagrams

Schematic diagram for the power supply section.

IC Block Diagrams

IC121 CXD2535 CR Block Diagram

Block diagram for IC121 (CXD2535CR).

IC206 ATRAC Encoder;Decoder Block Diagram

Block diagram for IC206 (ATRAC Encoder/Decoder).

IC501 Noise Shaper;Digital Filter Block Diagram

Block diagram for IC501 (Noise Shaper/Digital Filter).

IC Pin Functions

IC101 RF Amplifier Pin Functions

Lists pin functions for IC101 (RF Amplifier).

IC202 System Controller Pin Functions

Details pin functions for IC202 (System Controller).

Exploded Views

Main Section Exploded View

Exploded view of the main section of the unit.

Chassis Section Exploded View

Exploded view of the chassis section.

Front Panel Section 1 Exploded View

Exploded view of the front panel section 1.

Electrical Parts List

Parts List Notes and Ordering Information

Notes regarding parts list differences and ordering.

Resistor Types and Specifications

Lists resistor types and specifications.

Integrated Circuit List

List of integrated circuits with part numbers.

BD Parts List

Coil List

List of coils with specifications.

Motor List

List of motors with part numbers.

Hardware List

Screws and Washers List

Lists hardware components like screws and washers.

PW Parts List

Fuse List

List of fuses with specifications.

IC Link Components List

Lists IC link components.

PW Parts List

Transistor List

List of transistors with specifications.

Summary

Specifications Overview

Laser and Disc Specifications

Details laser properties, output, and disc type compatibility.

Audio Performance Specifications

Provides frequency response, S/N ratio, and wow/flutter details.

Input and Output Specifications

Details connector types, impedance, and signal levels for inputs/outputs.

Safety Check-out Procedures

AC Leakage Testing

Procedures for checking AC leakage from metal parts to ground.

Component Safety Warnings

Highlights critical components marked with A for safe operation.

Servicing Notes

Forced Reset Procedures

Describes methods for performing a forced system reset.

Test Mode Operations

Retry Cause Display Mode

Outlines steps to enter and use the retry cause display mode.

Fluorescent Display Tube Signs Interpretation

Explains the meaning of various signs displayed on the tube.

General Unit Information

Location of Parts and Controls

Identifies and describes the location and function of all controls and indicators.

Getting Started Guide

Setting the Internal Clock

Explains how to set the internal clock for date and time stamping.

Playing an MD Disc

Guides on how to play back an MD disc.

MD Recording Operations

Recording an MD Disc

Step-by-step guide on how to record audio onto an MD.

Track Number Marking Methods

Details how track numbers are marked based on recording source and settings.

Recording Level Adjustment

Adjusting Digital Recording Level

Steps for adjusting the digital recording level.

No Clip Function for Digital Recording

Explains the No Clip Function for digital recording.

MD Playback Features

Using the Display for Information

How to use the display to check disc and track information.

Locating Specific Tracks

Overview of methods to locate specific tracks using controls.

MD Editing Functions

Erasing Recordings (Erase Function)

How to erase single tracks or all tracks on an MD.

Dividing Recorded Tracks Function

How to divide existing tracks into multiple parts.

Moving Recorded Tracks Function

How to change the order of tracks on an MD.

Disassembly Procedures

Tray Assembly Disassembly

Detailed steps for disassembling the tray assembly.

Component Attachment Precautions

Guidance on precautions to take when reassembling parts.

Test Mode Operations

Entering Test Mode

Instructions on how to enter the test mode.

Selecting Available Test Modes

Lists the available test modes selectable via the AMS knob.

Continuous Playback Mode Operation

Detailed steps for operating the continuous playback test mode.

Electrical Adjustments

Laser Diode Emission Checking Precautions

Safety precautions for checking laser diode emission.

Optical Pick-up Handling Precautions

Precautions for handling the optical pick-up to prevent damage.

General Adjustment Precautions

General precautions and order for performing electrical adjustments.

Traverse Adjustment

Traverse Adjustment Method

Step-by-step method for traverse adjustment.

Error Rate Checks

CD Error Rate Check Procedure

Checking error rates on a CD.

MO Error Rate Check Procedure

Checking error rates on an MO disc.

Diagrams Overview

Block Diagrams - BD Section

Block diagram of the BD section.

Circuit Boards Location Guide

Diagrams showing the location of various circuit boards.

Waveform Diagrams

Illustrates waveforms for various sections of the unit.

Printed Wiring Board Diagrams

BD Board (Side A) Wiring Diagram

Printed wiring diagram for BD Board Side A.

Digital Board (Side A) Wiring Diagram

Printed wiring diagram for the Digital Board Side A.

MD Section Printed Wiring Boards

Printed wiring diagrams for the MD section components.

Schematic Diagrams

DIO Board Schematic Diagram

Schematic diagram for the DIO board.

Power Section Schematic Diagrams

Schematic diagram for the power supply section.

IC Block Diagrams

IC121 CXD2535 CR Block Diagram

Block diagram for IC121 (CXD2535CR).

IC206 ATRAC Encoder;Decoder Block Diagram

Block diagram for IC206 (ATRAC Encoder/Decoder).

IC501 Noise Shaper;Digital Filter Block Diagram

Block diagram for IC501 (Noise Shaper/Digital Filter).

IC Pin Functions

IC101 RF Amplifier Pin Functions

Lists pin functions for IC101 (RF Amplifier).

IC202 System Controller Pin Functions

Details pin functions for IC202 (System Controller).

Exploded Views

Main Section Exploded View

Exploded view of the main section of the unit.

Chassis Section Exploded View

Exploded view of the chassis section.

Front Panel Section 1 Exploded View

Exploded view of the front panel section 1.

Electrical Parts List

Parts List Notes and Ordering Information

Notes regarding parts list differences and ordering.

Resistor Types and Specifications

Lists resistor types and specifications.

Integrated Circuit List

List of integrated circuits with part numbers.

BD Parts List

Coil List

List of coils with specifications.

Motor List

List of motors with part numbers.

Hardware List

Screws and Washers List

Lists hardware components like screws and washers.

PW Parts List

Fuse List

List of fuses with specifications.

IC Link Components List

Lists IC link components.

PW Parts List

Transistor List

List of transistors with specifications.

Sony MDS-JA50ES Specifications

General IconGeneral
TypeMiniDisc Deck
Recording SystemATRAC (Adaptive TRansform Acoustic Coding)
Sampling Frequency44.1 kHz
Dynamic Range98 dB
Analog InputsRCA
Remote ControlYes
Frequency Response20 Hz - 20 kHz
Digital InputsCoaxial, Optical
Digital OutputsCoaxial, Optical
Analog OutputsRCA
Wow and FlutterUnmeasurable

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