Sony MDS-S50 specifications Items of Error History Mode Items and Contents

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MDS-JE470

1.While pressing the lAMSL knob and x button, connect the power plug to the outlet, and release the lAMSL knob and x button.

When the test mode is set, “[Check]” will be displayed.

2.Rotate the lAMSL knob and when “[Service]” is displayed, press the YES button.

3.Rotate the lAMSL knob and display “Err Display”.

4.Pressing the YES button sets the error history mode and displays “op rec tm”.

5.Select the contents to be displayed or executed using the lAMSL knob.

6.Pressing the lAMSL knob will display or execute the contents selected.

7.Pressing the lAMSL knob another time returns to step 4.

8.Pressing the MENU/NO button displays “Err Display” and exits the error history mode.

9.To exit the test mode, press the REPEAT button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS

Selecting the Test Mode

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

History

op rec tm

Displays the total recording time.

 

When the total recording time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

op play tm

Displays the total playback time.

 

When the total playback time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spdl rp tm

Displays the total rotating time of the spindle motor.

 

When the total rotating time is more than 1 minute, displays the hour and minute

 

When less than 1 minute, displays “Under 1 min”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retry err

Displays the total number of retry errors during recording and playback

 

Displays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback.

 

This is displayed in hexadecimal from 00 to FF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

total err

Displays the total number of errors

 

Displays “total xx”. This is displayed in hexadecimal from 00 to FF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

err history

Displays the past ten errors.

 

Displays “0x ErrCd@@”.

 

X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error

 

code.

 

Select the error history number using the

lAMSL

knob.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retry adrs

Displays the past five retry addresses.

 

Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error.

 

Select the error history number using the

lAMSL

knob.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

er refresh

Mode for erasing the error and retry address histories

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “er refresh”.

 

2. Press the

 

 

 

 

button when the display changes to “er refresh?”.

 

 

 

YES

 

When “complete!” is displayed, it means erasure has completed.

 

Be sure to check the following after executing this mode.

 

*Data has been erased.

 

*Perform recording and playback, and check that the mechanism is normal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tm change

Mode for erasing the total time of recording and playback

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “tm refresh”.

 

2. Press the

 

 

 

 

 

 

button when the display changes to “tm refresh?”.

 

 

YES

 

When “complete!”

 

is displayed, it means erasure has completed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

op change

Mode for erasing the total time of op rec tm, op play tm.

 

These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced,

 

perform this procedure and erase the history.

 

Procedure

 

1. Press the

lAMSL

knob when displayed as “op change”.

 

2. Press the

YES

button when the display changes to “op change?”.

 

When “Complete!” is displayed, it means erasure has completed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents 873-891-11 SpecificationsMDS-JE470 SELF-DIAGNOSIS FunctionThree- or five Digit code Cause/Remedy Message Items of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsLeakage MDS-JE470 Section Service NotesSafety CHECK-OUT Flexible Circuit Board RepairingIOP JIG for Checking BD Board WaveformRecord Precedure Optical PICK-UP Block Type Discrimination KSN-260EChecks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Bit Binary Retry Cause Display ModeBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Button Descriptions MDS-JE470 Section GeneralDisassembly Flow MDS-JE470 Section DisassemblyFront Panel Section PT BOARD, VOL-SEL Board SP model Main BoardOver Light Head HR901, BD Board Mechanism Deck Section MDM-7ALoading Motor Assy M103 Holder AssyOptical PICK-UP Sled Motor Assy M102, SliderSpindle Moter Assy M101 Exiting the Test Mode MDS-JE470 Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Selecting the Test ModeMENU/NO Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionMDS-JE470 Section Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow Precautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-260B/260EPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscTraverse Waveform Auto CheckOther Checks Traverse CheckSelf-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Circuit Boards Location MDS-JE470 Section DiagramsMain Board For schematic diagramsFor printed wiring boards BD BoardBlock Diagrams BD Section IC171IC190 Main Section IC360 2/2IC1 2/2 Semiconductor SemiconductorOVERBoard Board Main Display Board See page 51 for IC Block Diagrams Schematic Diagram Main /2IC1 KEY-SW Board Indicator Tube Schematic Diagram Display Section230V PT BoardSchematic Diagram Power Section IC101 CXA2523AR BD Board IC Block DiagramsIC500 AK4524 Main Board IC PIN Function Description IC101 CXA2523AR RF Amplifier BD BoardPin No Pin Name Description Sqsy Pin No Pin Name DesriptionMvci Abbreviation EFM Eight to Fourteen Modulation IC1 M30803MG-107FP System Control Main Board ADA. Latch STB Chassis Section Section Exploded ViewsFL750 Mechanism MDM-7A M101 Coils Electrical Parts ListMetal Chip MDS-JE470 KEY-SW Main DisplayCN2 MDS-JE470 MainTC7WHU04FUTE12R Screw +KTP 2X6 TYPE2 NON-SLIT MDS-JE470 Main VOL-SELMDS-JE470 MDS-JE470 Revision History

MDS-S50 specifications

The Sony MDS-S50 is a pinnacle of MiniDisc technology, offering audiophiles a compact and reliable way to enjoy high-quality audio. Launched in the early 2000s, it epitomizes the innovation that Sony was known for during this period, combining functionality with sleek design.

One of the primary features of the MDS-S50 is its ability to record in SP (Standard Play) mode, which delivers high-resolution audio at 64 kbps, and LP (Long Play) mode for extended recording times. This flexibility makes it suitable for various listening preferences, whether for critical listening or casual playback during everyday activities. The device harnesses the precision of digital audio encoding, ensuring minimal loss of sound quality.

The MDS-S50 stands out with its direct digital recording capabilities. By connecting to external audio sources via optical or coaxial digital inputs, users can preserve the integrity of the original sound. This feature is particularly appealing for those who want to capture live recordings or transfer vinyl records and CDs to the MiniDisc format without degradation.

The inclusion of a user-friendly interface, with an intuitive remote control and well-organized menu systems, enhances the experience for users. The display panel gives clear information on track titles, remaining recording time, and other essential details, allowing for seamless navigation through complex playlists or recording options.

Another notable technology in the MDS-S50 is the ATRAC (Adaptive Transform Acoustic Coding) compression algorithm, developed by Sony. This proprietary encoding format optimizes sound quality while significantly reducing file sizes. The result is a perfect balance between audio fidelity and efficient storage, which was a major advantage during the era of burgeoning digital music.

Furthermore, the MDS-S50 boasts a durable build quality, designed to withstand transport and everyday use. Its compact size, combined with lightweight materials, allows users to take it on the go while not compromising on audio quality.

Ultimately, the Sony MDS-S50 remains a beloved device among music enthusiasts. With its combination of high-quality recording capabilities, advanced digital encoding technology, and user-friendly features, it represents a unique chapter in the evolution of portable audio. Whether used as a standalone player or part of a larger audio setup, it delivers a level of performance that still resonates with those who appreciate the art of music.
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