Sony MDS-S50 specifications Section Exploded Views, Chassis Section

Page 59

NOTE:

-XX, -X mean standardized parts, so they may have some differences from the original one.

Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.

The mechanical parts with no reference number in the exploded views are not supplied.

Hardware (# mark) list and accessories and packing materials are given in the last of this parts list.

SECTION 7

EXPLODED VIEWS

Color indication of Appearance Parts Example :

KNOB, BALANCE (WHITE)• • • (RED)

Parts color Cabinet's color

Abbreviation

CND : Canadian model

SP

: Singapore model

HK

: Hong Kong model

AUS

: Australian model

MDS-JE470

The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

Les composants identifiés par une marque

0sont critiques pour la sécurité.

Ne les remplacer que par une pièce portant le numéro spécifié.

7-1. CHASSIS SECTION

15

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

16

 

MECHANISM SECTION

 

 

 

 

(MDM-7A)

 

#1

14

 

 

 

8

 

 

 

 

8

9

 

 

 

 

15

7

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

7

 

 

8

 

 

 

12

 

 

 

6 6

 

 

 

 

8

7

7

 

13

11

 

 

5

 

 

#1#1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#1

 

4

TR900

 

 

 

#1

 

 

18

SP

#1

 

 

 

 

 

#1

 

 

 

 

 

 

 

 

 

 

 

 

 

not

 

 

 

 

 

 

 

supplied

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

not

 

 

 

 

 

 

 

supplied

 

 

 

2

 

 

2

 

 

 

 

 

 

 

 

 

 

not

 

 

 

not

 

#1

 

supplied

 

supplied

 

 

#1

#1

 

 

 

Front panel section

1

 

1

 

 

 

 

 

17

SP

17

UK, HK

Ref. No.

Part No.

#1

Remarks

Description

1

X-4953-448-1

FOOT ASSY

 

2

4-232-237-01

FOOT (DIA. 30)

 

3

4-233-025-01

PANEL, BACK (AEP,UK)

 

3

4-233-025-11

PANEL, BACK (US)

 

3

4-233-025-21

PANEL, BACK (CND)

 

3

4-233-025-31

PANEL, BACK (SP)

 

3

4-233-025-41

PANEL, BACK (HK)

 

34-233-025-51 PANEL, BACK (AUS)

49-910-999-31 RIVET (DIA. 3), NYLON

51-681-734-12 PT BOARD

64-221-887-11 SCREW, +PTTWH (M3) (S) TITE

74-228-689-01 INSULATOR

84-228-643-11 SCREW (+BVTTWH M3), STEP

91-792-811-11 WIRE (FLAT TYPE) (23 CORE)

101-757-928-11 WIRE (FLAT TYPE) (27 CORE)

* 11

3-703-244-00

BUSHING (2104), CORD

012

1-696-846-21

CORD, POWER (AUS)

Ref. No.

Part No.

Description

Remarks

012

1-777-071-61

CORD, POWER (AEP,UK,HK,SP)

 

012

1-783-531-31

CORD, POWER (US,CND)

 

13

A-2007-906-A

MAIN BOARD, COMPLETE (US,CND)

 

13A-2007-910-A MAIN BOARD, COMPLETE (AEP,UK,HK,AUS)

13A-2007-914-A MAIN BOARD, COMPLETE (SP)

* 14

1-569-972-21

SOCKET, SHORT 2P

15

4-210-291-01

SCREW (CASE 3 TP2)...(BLACK)

154-210-291-11 SCREW (CASE 3 TP2)...(SILVER)

164-232-149-31 CASE (408226)...(BLACK)

16

4-232-580-31

CASE (408226)...(SILVER)

017

1-569-008-21

ADAPTOR, CONVERSION (SP)

017

1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK,HK)

18

1-681-738-12

VOL-SEL BOARD (SP)

0TR900

1-435-543-11

TRANSFORMER, POWER (US,CND)

0TR900

1-435-544-11

TRANSFORMER, POWER (AEP,UK,HK,AUS)

0TR900

1-435-545-11

TRANSFORMER, POWER (SP)

59

Image 59
Contents 873-891-11 SpecificationsThree- or five Digit code Cause/Remedy Message MDS-JE470SELF-DIAGNOSIS Function 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-260EMain Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Bit Binary Retry Cause Display ModeHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details 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 FunctionCheck before replacement MDS-JE470 Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow Precautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B/260E 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 CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment 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 BoardIC190 Block Diagrams BD SectionIC171 IC1 2/2 Main SectionIC360 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 Pin No Pin Name Description IC PIN Function DescriptionIC101 CXA2523AR RF Amplifier BD Board 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.