Sony MDS-S50 specifications Display Board

Page 43

MDS-JE470

6-6. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – • See page 37 for Waveforms. • See page 56 for IC Pin Functions. • See page 51 for IC Block Diagrams.

BD

BOARD(2/2)

CN102

(Page42)

CN3 15P

DISPLAY

BOARD

CN701

(Page47)

J300

 

4P

R

 

 

 

ANALOG OUT

 

 

 

 

L

CN227P

LD-IN

LD-OUT

D-GND

PROTECT SW

REFRECT SW

SCL

SDA

EEP-WP

SHCK

XBUSY

SWDT

OUT-SW

SCLK

XLATCH

SRDT

PLAY-SW

SENS

DIG-RST

SQSY

REC-SW

DQSY

WRPWR

XINT

LIMIT-IN

LDON

IOP

MOD

PDOWN SYS+3.3V AC AC -32V DISP.GND RMC FLCS FLCK FLDT KEY0 JOG0 KEY1 JOG1 KEY2

R178 330

C177 470p

C277 470p

R278 330

C680JUMPER

PROTECT

REFRECT

SCL

SDA

EEP-WP

SHOCK

XBUSY

SWDT

OUT-SW

SCLK

XLATCH

SRDT

PLAY-SW

SENS

DIG-RST

SQSY

REC-SW

DQSY

WRPWR

XINT

LIMIT-IN

LDON

MOD

L451

JUMPER

L450 JUMPER

RMC

FLCS

FLCK

FLDT

KEY 0

JOG 0

KEY 1

JOG 1

KEY 2

 

LOW-PASS

Q181

C176

FILTER

R176

UN4216-TA

22

MUTING

25V

680

R181

 

 

*

 

 

 

R177

 

 

100k

 

R281

R277

 

*100k

 

 

C276

 

 

 

22

R276

 

 

25V

680

Q281

*R181,281

 

 

UN4216-TA

 

 

 

MUTING

JUMPER

US,CND,SP

 

 

10k

AEP,AUS,HK,UK

 

C316 100 16V

C4262250V

 

 

 

C171

 

 

 

0.0047

IC370(2/2)

 

 

R172

NJM4558D

 

 

5

 

1.5k

7

 

 

C172

6

 

0.001

8

 

 

 

 

C361

 

 

 

100

 

 

 

16V

 

 

 

 

C366

 

 

 

100

 

 

 

16V

 

C272

 

 

 

 

2

 

0.001

1

3

 

 

4

 

R272

 

 

1.5k

 

 

 

IC370(1/2)

 

 

 

NJM4558D

 

C271

 

 

 

0.0047

 

 

 

IC310(2/ 2)

2

 

4

NJM4558D

3

 

 

1

 

 

 

Q380

UN4111-TA

MUTING

CONTROL

SWITCH

D381 1SS133T-72

 

C166

 

R166

 

 

 

0.0001

 

22k

MIX

 

 

 

 

 

 

 

IC360(2/

2)

 

AMP

 

 

NJM4558D

R164

C161

R162

R171

 

6

10k

220p

10k

1.5k

7

 

 

 

 

 

8

5

R163

 

R161

 

 

 

 

 

 

10k

 

10k

 

 

 

R165

C165

 

 

 

 

22k

0.0001

 

 

IC360(1/ 2)

 

R265

C265

 

 

 

22k

 

 

NJM4558D

 

0.0001

 

R271

3

 

 

 

 

 

 

1.5k

1

 

 

 

 

 

4

2

 

 

 

 

 

 

 

 

 

R266

 

 

 

 

 

22k

 

 

 

 

 

C266

 

 

 

 

 

0.0001

 

 

 

 

LINE

C213

R215

 

 

 

22

 

 

AMP

25V

47

 

 

 

 

 

 

FLCS

JOG 0

JOG 1

KEY 2

KEY 1

KEY 0

R381 150k

10k

10k

R87

R88

C88

 

0.01

 

R380 100k

R263 10k

R264 10k

10k

10k

10k

10k

10k

 

 

R92

R93

R94

R95

R97

 

 

 

 

 

 

R1090

US,CND,SP

 

 

 

 

10k

 

 

 

 

 

 

 

C87

0.01

 

 

 

 

 

C89

0.001

 

 

 

 

 

 

R90 100k

 

 

 

 

R1091 10k AEP,AUS,HK,UK

R100 100k

 

 

R515

 

 

SWDT

100

 

 

SCLK

R516

C515

 

100

100p

 

 

R517

C516

 

LATCH

100

100p

 

 

 

C517

 

 

 

100p

 

ADA.RESET

 

 

 

 

C519

 

 

 

0.001

 

 

 

C520

 

IC500

 

220

 

 

10V

 

AK4524

 

R261

 

 

 

10k

 

 

C523

 

AD/DA

100

C261

10V

CONVERTER

 

220p

 

R262

 

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R61

TCE RFRE

ADS

KCO HS

SNE S

NOD L

DOM IN -ITIML

 

RWP RW

WS-C ER

TSR -IGD

WS-Y APL

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

R51

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

100p

 

 

 

10k

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C58

 

 

 

R55

 

R53

 

 

STB

CN

CN

CN

CN

CN

CN*

CN*

CN*

CN

3L* EDO M

2L* EDO M

1L* EDO M

0L* EDO M

INDA OL

TUO DAO L

OLD AOL

DNG

CN

CCV

TCE FRER

ADS

KCO HS

SNE S

NOD L

DOM

INIT IML

RWP RW

WS-C ER

TSR WS- -IGD YAL P

XLATCH

*BEEP SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT-SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* REC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XBUSY

FLCS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EEP-WP

*D.VOL 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

*D.VOL 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCL

JOG 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECT

JOG 1

 

 

 

 

 

 

 

 

 

 

 

 

 

M30803MG-107FP

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L:DIN1/H:CLIP

DESTINATION

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM

 

 

 

 

 

 

 

 

 

 

 

 

 

EPM

MODEL SEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADA.LATCH

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

TIMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADA.RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEY 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTE

KEY 2

 

 

 

 

 

 

 

 

 

 

 

 

 

*R17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XBCKI

KEY 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLIP-RX

 

 

 

 

 

 

 

 

 

 

 

 

 

JUMPER

 

US,CND,SP

 

 

 

 

 

 

 

 

 

 

 

AVSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLIP-TX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

AEP,AUS,HK,UK

 

 

 

 

 

 

 

 

 

 

KEY 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KB.CLK-CTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCLK

AVCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SRDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

SWDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ATA D.BK

YSU BIIC

 

 

 

 

EWO PIIC

 

 

 

TDFL

KCL F

IN-1A

SCIR S

CN*

CN*

CN*

ETY B

SSV NC

T-IN X

T-TU OX

TSR .S

TUO X

DNG

INX

CCV

IMN

YSQ D

NWO D.P

YSQ S

KLC .BK

TUO 1A

TINX

PEE B*

IKCR L

KLC IIC

ATAD IIC

 

 

 

 

 

 

R4

 

 

 

 

 

 

 

 

 

 

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JUMPER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TDL F

KCL F

 

CMR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YSU BIIC

 

 

 

R

KLIICC

ATAIICD

 

 

 

 

 

 

 

 

 

 

 

10MHz

 

 

 

 

 

 

YSQD

 

YSQS

 

 

 

TINX

 

EWO PIIC

 

 

 

 

 

 

 

 

 

 

 

X15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R23

 

R28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R21

 

R22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

R3

 

 

 

 

C12

 

 

 

 

 

 

C19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JUMPER

 

 

 

 

 

 

 

C16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

0.001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CDTI

SDTI

 

R514

47 DADT

 

 

 

 

 

 

CCLK

SDTO

 

R513

47 ADDT

 

 

 

 

 

 

CS

 

BICK

 

R512

47

BCK

 

 

 

 

 

 

 

CIF

 

LRCK

 

R511

47LRCK

 

 

 

 

 

 

 

PD

 

XTALE

 

 

 

 

 

M/ S

XTI

 

 

 

 

C522

 

 

 

 

 

 

 

0.1

CLKO

XTO

 

 

 

 

 

VT

 

TEST

 

C505

 

L506

C524

 

 

VA

 

0.1

 

JUMPER

VD

 

 

 

 

 

0.1

 

 

C504

 

 

 

 

 

 

 

 

 

 

 

AGND

 

100

 

 

 

DGND

 

10V

 

 

 

AOUTL-

VREF

 

 

 

D211

 

 

D111

1SS133T-72

 

 

 

AINL

 

1SS133T-72

 

 

AOUTL+

 

C503

 

 

 

 

 

 

 

 

 

 

AOUTR-

AINR

 

0.0022

 

 

 

 

C502

 

 

 

 

 

VCOM

 

0.0022

 

 

 

AOUTR+

C500

C501

 

 

C530

 

 

 

0.1

 

 

 

 

 

220

 

 

0.1

 

 

 

10V

 

 

 

L523

JUMPER

 

 

 

 

L522

JUMPER

 

 

 

 

 

 

 

 

 

 

 

C536

 

 

 

 

 

 

 

0.1

L524

JUMPER

 

 

 

 

 

R50 JUMPER

R41 100k

R33 JUMPER

R31 JUMPER

C531 0.1

R49

 

10k

 

10k

R44

10k

R46

 

XLATCH

OUT-SW

 

XBUSY

EEP-WP

 

SCL

PROTECT

R40

 

JUMPER

LATCH

ADA.RESET

 

SCLK

 

SRDT

 

SWDT

C532 0.1

D38272-1SS133T

C100 10 50V

SCLK

SWDT

R855

JUMPER

R556 330

C556 47pF

R851 10k

C557 10pF

R552 330

.0 C554001

1 L555H

 

 

L668

 

 

JUMPER

 

R554

 

 

330

 

 

 

IC550

 

 

TC7WHU04FU

 

 

(TE12R)

 

 

OSC

 

 

L551

 

 

JUMPER

R551

C552

 

0.1

 

1M

 

 

C551

 

 

 

X550

100

 

10V

 

45.1584MHz

 

 

C555 12p

C553

L552

 

4.7p

JUMPER

 

C492

C550

0.1

0.1

 

 

Q490

2SC945TP-QP

 

+3.3V

 

REGULATOR

 

L349

 

JUMPER

 

 

ADDT

 

ADDT

 

 

LRCK

 

 

 

 

LRCK

 

 

DADT

 

 

 

 

DADT

 

 

 

 

 

 

 

BCK

 

REG.GND

 

 

 

BCK

 

 

 

 

 

 

 

 

 

 

MCK.GND

 

 

 

 

 

MCLK

 

L666

 

 

 

D-GND

 

 

 

NC

XBCKI

 

JUMPER

 

 

 

 

 

 

 

 

 

 

 

 

REG.GND

 

L662

 

NC

LRCKI

 

JUMPER

 

 

REG.GND

 

 

 

 

 

 

L660

 

NC

DADTI

 

JUMPER

 

 

REG.+5V

 

 

 

 

 

 

 

 

 

 

D-OUT

 

C657

L658

L657

C658

H.+5V

 

0.1

JUMPER

0UH

0.1

H.GND

DIN0

 

 

 

 

DIN-0

 

 

 

 

 

DIN1

 

L653

 

 

M.GND

 

0H

 

 

DIN-1

 

 

 

 

 

 

C651

L651

C652

M.GND

 

M.+5V

 

0.1

JUMPER

0.1

 

 

 

 

 

M.+5V

DIN0

 

 

 

 

 

 

 

 

IC600

 

R437

 

 

SN74HCU 04AN

1k

R435

R436

 

WAVE

 

 

56k

330k

SHAPER

 

 

DIN1

 

 

 

 

 

 

 

 

 

 

R614

 

 

 

 

 

47k

 

 

C601

 

 

 

 

0.01

 

 

 

R623 470k

R491

 

330

 

C491

C490

0.11000

6.3V

R492 1.2k

 

 

IC611

 

 

C612

GP1F38R

 

 

 

 

 

4.7

 

 

 

50V

 

 

 

C611

OPTICAL

 

L611

0.1

RECEIVER

 

 

 

 

10H

 

1

 

 

 

 

 

 

2

DIGITAL IN

 

 

(OPTICAL)

 

 

 

 

 

3

 

C613

 

 

 

0.01

 

 

 

1 2 3 4 5 6

7MAIN

BOARD

8(2/2)

9

(Page44)

10

 

11

 

12

 

13

 

14

 

 

CN1

 

23P

BD BOARD(2/2) CN103 (Page42)

15 16

 

 

R

 

ANALOG IN

 

 

 

 

L

C211

R211

R212

C212

R213

 

15k

22

220k

 

470p

33k

 

25V

 

 

C111

R111

R112

C112

R113

C311

470p

22

220k

100

 

33k

15k

25V

 

16V

6

 

5

7

8

 

IC310(1/ 2)

NJM4558D

 

D212

 

1SS133T-72

C113

R115

22

47

25V

 

 

D112

 

1SS133T-72

17MAIN

BOARD

18(2/2)

(Page44)

20

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Contents 873-891-11 SpecificationsSELF-DIAGNOSIS Function MDS-JE470Three- 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-260EForced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal 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 FunctionParts 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 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 CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser 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 BoardIC171 Block Diagrams BD SectionIC190 IC360 2/2 Main SectionIC1 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 IC101 CXA2523AR RF Amplifier BD Board IC PIN Function DescriptionPin 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.