Sony MDS-S50 specifications Retry Cause Display Mode, Bit Binary

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MDS-JE470

RETRY CAUSE DISPLAY MODE

In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the “track mode” for obtaining track information will be set.

This is useful for locating the faulty part of the unit.

The following will be displayed :

During recording and stop : Retry cause, number of retries, and number of retry errors.

During playback : Information such as type of disc played, part played, copyright.

These are displayed in hexadecimal.

Procedure:

1.Insert the recordable disc.

2.Press MENU/NO button to display “Edit Menu” on the fluorescent display.

3.Turn lAMS L button to display “All Erase?” on the fluorescent display.

4.Press YES button to display “All Erase??” on the fluorescent display.

5.Press YES button, “Complete!” is displayed on the fluorescent display and it turns off immediately.

6.Procedure 1: Press the x button continuously for about 10 seconds.

Procedure 2: Press the LEVEL/DISPLAY/CHAR button while pressing the x button and MENU/NO button.

7.When the mode is set, “RTs 00c 00e 000” is displayed.

8.Press the z REC button to start recording. Then press the X button and start recording.

9.To check the “track mode”, press the H button to start play.

10.To exit the test mode, press the @/1 button, and turn OFF the power. When “TOC” disappears, disconnect the power plug from the outlet. If the test mode cannot be exited, refer to “Forced Reset” on page 9.

Fig. 1 Reading the Test Mode Display (During recording and stop)

RTs@@c##c***

Fluorescent display tube display

@@: Cause of retry ## : Number of retries

*** : Number of retry errors

Reading the Retry Cause Display

Fig. 2 Reading the Test Mode Display (During playback)

@@###**$$ Fluorescent display tube display

@@ : Parts No. (name of area named on TOC)

###: Cluster } Address (Physical address on disc) ** : Sector

$$ : Track mode (Track information such as copyright infor- mation of each part)

 

Higher Bits

Lower Bits

Hexa-

 

 

 

 

 

 

 

 

 

 

 

Cause of Retry

Occurring conditions

Hexadecimal

8

4

2

1

8

4

2

1

decimal

 

 

 

 

 

 

 

 

 

 

 

Bit

b7

b6

b5

b4

b3

b2

b1

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Binary

0

0

0

0

0

0

0

1

01

shock

When track jump (shock) is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

0

1

0

02

ader5

When ADER was counted more than five times continu-

 

ously

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

0

1

0

0

04

Discontinuous address

When ADIP address is not continuous

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

0

1

0

0

0

08

DIN unlock

When DIN unlock is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

0

1

0

0

0

0

10

FCS incorrect

When not in focus

 

 

 

 

 

 

 

 

 

 

 

 

 

0

0

1

0

0

0

0

0

20

IVR rec error

When ABCD signal level exceeds the specified range

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

0

0

0

0

0

0

40

CLV unlock

When CLV is unlocked

 

 

 

 

 

 

 

 

 

 

 

 

 

1

0

0

0

0

0

0

0

80

Access fault

When access operation is not performed normally

10

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Contents Specifications 873-891-11SELF-DIAGNOSIS Function MDS-JE470Three- or five Digit code Cause/Remedy Message Items of Error History Mode Items and Contents Diagrams Table of ContentsDisassembly Exploded ViewsFlexible Circuit Board Repairing MDS-JE470 Section Service NotesSafety CHECK-OUT LeakageJIG for Checking BD Board Waveform IOPRecord Precedure KSN-260E Optical PICK-UP Block Type DiscriminationForced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Retry Cause Display Mode Bit BinaryHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary MDS-JE470 Section General Button DescriptionsMDS-JE470 Section Disassembly Disassembly FlowFront Panel Section Main Board PT BOARD, VOL-SEL Board SP modelMechanism Deck Section MDM-7A Over Light Head HR901, BD BoardHolder Assy Loading Motor Assy M103Sled Motor Assy M102, Slider Optical PICK-UPSpindle Moter Assy M101 Setting the Test Mode MDS-JE470 Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode DisplayOperating the Continuous Playback Mode MENU/NOError rate display Test Mode DisplaysMode display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function When Memory NG is DisplayedMeanings of Other Displays InformationParts Replacement and Adjustment MDS-JE470 Section Electrical AdjustmentsCheck before replacement Adjustment flow Precautions for USE of Optical PICK- UP KMS-260B/260E Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Using the Continuously Recorded Disc Checks Prior to RepairsTraverse Check Auto CheckOther Checks Traverse WaveformFocus Bias Check Play Check MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Traverse Adjustment Iop NV SaveFocus Bias Adjustment CD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points MDS-JE470 Section Diagrams Circuit Boards LocationBD Board For schematic diagramsFor printed wiring boards Main BoardIC171 Block Diagrams BD SectionIC190 IC360 2/2 Main SectionIC1 2/2 SemiconductorOVER SemiconductorBoard Board Main Display Board Schematic Diagram Main /2 See page 51 for IC Block DiagramsIC1 KEY-SW Board Schematic Diagram Display Section Indicator TubePT Board 230VSchematic Diagram Power Section IC Block Diagrams IC101 CXA2523AR BD BoardIC500 AK4524 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN Function DescriptionPin No Pin Name Description Pin No Pin Name Desription SqsyMvci Abbreviation EFM Eight to Fourteen Modulation IC1 M30803MG-107FP System Control Main Board ADA. Latch STB Section Exploded Views Chassis SectionFL750 Mechanism MDM-7A M101 Electrical Parts List CoilsMetal Chip Display MDS-JE470 KEY-SW MainMDS-JE470 Main CN2TC7WHU04FUTE12R MDS-JE470 Main VOL-SEL Screw +KTP 2X6 TYPE2 NON-SLITMDS-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.