MDS-JE470

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –

• See page 51 for IC Block Diagrams.

 

 

 

 

 

 

 

 

 

IC440

 

 

 

 

 

 

 

 

 

 

 

 

 

M54641L

 

 

 

 

 

 

 

 

 

 

 

 

 

LOADING DRIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R441

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22k

 

 

 

 

 

 

 

 

 

 

1

 

 

 

R442

 

 

 

 

 

 

 

 

 

 

 

 

Q440

15k

Q440,445

 

 

 

 

 

 

 

 

 

C442

 

 

 

REFERENCE

 

 

 

 

 

 

 

 

 

0.01

 

UN4211-TA

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

 

3

C441

 

R443

SWITCH

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22k

 

 

 

 

 

 

 

 

 

 

4

16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q445

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2SA1175-HFE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D431

 

 

 

5

 

 

 

 

 

D433

R432

R431

 

 

1SS133T-72

 

 

 

 

 

 

 

1SS133T-72

680

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C432

R433

 

C431

 

 

 

 

 

 

 

 

 

 

 

330

 

 

 

 

D432

 

 

 

 

 

 

 

22

 

 

33

 

 

 

 

 

 

 

 

 

 

25V

 

 

25V

 

 

 

1SS133T-72

 

 

 

 

 

 

 

R434

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22k

 

 

 

 

 

 

 

 

 

 

 

 

D409

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11EQS04

 

 

IC401

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BA033T

 

 

 

 

 

 

 

 

 

 

 

 

D408

 

 

 

 

 

 

 

 

 

 

7

 

 

 

11EQS04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3V

 

 

 

 

 

 

 

 

 

IC406

 

 

 

 

 

 

 

 

 

 

 

 

 

M62016L

 

 

 

 

REGULATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D406

 

 

 

 

 

 

 

CN400

 

 

 

 

 

1SS133T-72

 

 

 

 

 

D401

 

11

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11EQS04

D402

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11EQS04

 

 

 

 

 

 

 

R406

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

C401

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D403

 

 

 

9

R407

 

 

CN406

 

 

 

10000

 

 

D404

 

 

 

 

C404

 

 

16V

 

11EQS04

 

 

 

10k

 

 

 

 

 

11EQS04

 

 

 

 

 

2P

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

C402

 

 

 

 

 

 

 

 

 

 

 

 

10V

 

0.1

 

 

 

 

 

 

 

 

C406

 

 

BT406

 

 

 

 

 

 

 

 

 

 

 

0.33

 

C405

ML1220

 

 

 

 

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

 

 

 

 

50V

 

 

 

 

 

 

 

 

D411

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11ES2-NTA2B

 

5

 

 

 

 

 

 

 

 

 

 

 

 

PT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOARD

 

 

 

 

 

 

 

 

 

 

 

D412

 

 

CN921

MAIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11ES2-NTA2B

 

 

(Page49)

BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1/2)

 

 

 

IC411

 

 

 

 

 

 

D461

 

 

 

 

 

 

 

 

 

 

 

 

11ES2-NTA2B

 

 

 

(Page43)

 

 

 

M5F7805L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C412

 

 

 

 

 

 

1

 

 

 

 

 

 

 

0.1

 

C411

C461

 

 

 

 

 

 

 

 

+5V

 

 

 

10000

470

D462

 

 

 

 

 

 

 

 

 

 

16V

16V

11ES2-NTA2B

 

 

 

 

 

C416

 

 

 

 

 

 

 

 

 

REGULATOR

 

 

 

 

 

 

 

 

 

 

 

 

1000

 

 

 

 

 

FB465

 

FB460

 

 

 

 

 

6.3V

 

 

 

 

 

0H

 

 

 

 

 

 

 

 

 

 

 

 

C466

0H

D466

 

 

 

 

 

 

 

 

 

 

 

 

470

 

11ES2-NTA2B

 

 

 

 

 

 

 

 

 

 

 

 

16V

 

 

 

 

 

 

R423

100k

 

 

 

 

 

 

 

D467

 

 

 

 

 

 

 

 

 

FB410 JW

 

11ES2-NTA2B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R425

R424

 

C425

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

 

 

 

 

220

 

 

47

 

 

 

 

 

 

 

 

 

 

 

 

50V

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

R420

 

 

C423

 

 

 

 

 

 

 

 

 

 

JUMPER

 

 

100

 

D421

 

 

 

 

 

 

 

 

 

 

 

 

63V

 

 

 

 

D422

 

 

 

 

 

 

 

 

11ES2-NTA2

 

 

 

 

R422

C424

 

 

 

 

 

 

 

 

 

RD4.7EB2

 

120k

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

IC421

 

 

 

 

 

 

 

 

 

13

 

 

 

 

M5293L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-32V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGULATOR

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JW451

 

 

 

 

 

 

 

 

 

 

 

 

 

JUMPER

 

 

 

 

 

 

 

R911

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2k

Q911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2SD2144S-TP-UVW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

17

 

 

 

 

 

 

 

 

 

 

 

R912

DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

47k

 

 

 

 

 

JW452

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JUMPER

 

 

 

 

 

 

 

 

 

 

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R805

R801

 

 

 

 

 

 

 

 

 

 

 

 

R808

10k

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IIC CLK

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R807

 

 

 

 

 

 

 

 

 

 

 

 

 

IIC DATA

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IIC POWER

 

 

IIC BUSY

 

R806

 

 

100

 

L804

R802

C814

4.7H

C804

100

0.10.1

L803

C800

JUMPER

0.1

J800

PC-LINK

(CHASSIS)

44 44

Page 44
Image 44
Sony MDS-S50 specifications Schematic Diagram Main /2, See page 51 for IC Block Diagrams

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.