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Sony MDS-SD1 Block Diagrams - Bd Section, Signal Path, PB Digital out, REC Digital in

Models: MDS-SD1

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MDS-SD1

MDS-SD1

6-2. BLOCK DIAGRAMS

– BD SECTION –

DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER

IC121

OVER WRITE HEAD DRIVE

SCTX

IC181

DIG-RST

HR901

9

15

14

OVER WRITE

DIN0

HEAD

8

•

TX

XINIT

19

DIN0

HEAD

12

•

10

EFMO

DIN1

• SIGNAL PATH

DRIVE

11

1

100

20

DIN1

•

3

Q181,182

13

2

: PB

ADDT 25

ADDT

: REC

6

4

5

: PB (Digital out)

EFM,

SHOCK

ATRAC

DIGITAL

: REC (Digital in)

59

PCO

ACIRC,

RESISTANT

ENCODER/

AUDIO

FILTER

FILI

ENCODER/

MEMORY

60

DECODER

I/F

RF AMP

FILO

PLL

DECODER

CONTROLLER

61

48 47 46 40

IC101

62

CLTV

DADT 26

OPTICAL PICK-UP BLOCK

MORFO

MORFI RFO

AGCI

DADT

(KMS-260A/J1N)

RF AGC & EQ

RF

38

57

RFI

DOUT

21

DOUT

I

XBCK

28

BCK

1

LRCK

SAMPLING

27

LRCK

J

RF AMP

BPF

P-P

AUX

AUX1

CLOCK

2

33

67

DETECTOR

RATE

CONVERTER

GENERATOR

OSCI

BOTM

16

7

3

512FS

F

PEAK

BOTM

36

64

&

PEAK

37

63

PEAK

BUFFER IC123

I

C

B

J

BOTTOM

D

A

A

ABCD

ABCD

ABCD

ANALOG

SQSY

E

4

35

65

MUX

SUBCODE

11

SQSY

5

B

AMP

DQSY

C

IV AMP

PROCESSOR

12

DQSY

6

D

FOCUS

7

FE

FE

MNT3

E

ERROR

34

66

4

MNT3

8

VC

MNT2

F

IV AMP

AMP

ADAGC

VC

68

MONITOR

3

MNT2

9

31

MNT1

VC

TE

CONTROL

2

MNT1

AT

75

A/D

MNT0

BPF

29

SE

1

MNT0

E-F

AMP

74

CONVERTER

ADFM

BALANCE

SENS

ADIN

9

SENS

VC

VCC

30

SRDT

ADIP

SERVO

CPU

SCLK

8

SRDT

VC

ADFG 32

ADFG

APC

6

SCLK

MAIN

VC

3

CVB

78

DEMODULATOR/

DSP

I/F

SWDT

TEMPR

DECODER

XLAT

5

SWDT

SECTION

15

TE

7

XLAT CH

TRACKING

(Page 35)

26

D101

ERROR

SE

28

3

DRAM

14

TEMPI

TEMP

AMP

SPINDLE

PWM

AUTO

IC124

AMP

CSLED

27

VC

SERVO

GENERATOR

SEQUENCER

LASER ON

20

XWE

47

3

XWE

PD

XRAS

PD

SW

10

SERIAL

SWDT

16

82

DTRF

46

4

XRAS

Q101

SCLK

CKRF

XCAS

44

17

XCAS

VICONV

PARALLEL

17

81

XOE

XLAT

XLRF

43

16

XOE

DECODER

18

80

1

DQ1

APCREF

3TADJ WBLADJ

EQADJ

APCREF

•

FOCNT

FOCNT

2

APC

20

79

SPRD

SPFD

FG IN

RECP

FFDR

FRDR TFDR TRDR

SFDR

SRDR

•

XRST

18

•

DQ4

D0

D3

A00

A09

19

11

12

22 23 25

93

94

95

10

13

83 88 89 86 85 92 91

49 • 48 • 50 • 51

34

31 • 36

40 • 45

6

A0

9

ILCC

APC

•

LD

11

Q162,163

15

•

A9

5

LDON

HF

HF MODULE

WRPWR

SW

MODULE

IC103,Q102-104

MOD

TRACKING

SLED/SPINDLE MOTOR DRIVE

SDA

5

SDA

COIL

FOCUS/TRACKING COIL DRIVE

EEP ROM

IC152

IC171

SCL

6

SCL

FOCUS

TRK–

10

14

TFDR

COIL

LIMIT-IN

TRK+

DRIVER

TRDR

12

15

REFLECT

FSC+

21

18

FRDR

DETECT SW

PROTECT

FSC–

DRIVER

FFDR

S101, S102,

CHACK IN

23

19

S601-604

PACK OUT

M102

M

SLED+

27

29

SFDR

PLAY-P

REC P

SLED–

DRIVER

SRDR

SLED MOTOR

25

30

M101

M

SPDL+

6

3

SPFD

SPDL–

DRIVER

SPRD

M103

LOAD-IN

SPINDLE MOTOR

8

4

M

LOADING MOTOR

LOAD-OUT

PSB

16

XRST

IDG-RST

09

– 33 –

– 34 –

Image 33

Sony MDS-SD1 service manual Block Diagrams - Bd Section, Signal Path, PB Digital out, REC Digital in

Contents

MDS-SD1 SPECIFICATIONSMINIDISC DECK AEP Model UK Model E ModelSELF-DIAGNOSISFUNCTION ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Table of Error CodesSelecting the Test Mode Flexible Circuit Board Repairing Notes on chip component replacementMODEL IDENTIFICATION - Specification Label ADVARSEL3. DISASSEMBLY TABLE OF CONTENTS6. DIAGRAMS 7. EXPLODED VIEWSJIG FOR CHECKING BD BOARD WAVEFORM SECTION SERVICING NOTEDisplay Precedure Record PrecedureCHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS FORCED RESET ProcedureMAIN BOARD Component Side FLUORESCENT INDICATOR TUBE AND MECHANISM DECK CLEANING OF OBJECTIVE LENS OF OPTICAL PICKUPProcedure ATTACHING THE GLASS ASSEMBLYSERVICING POSITION RETRY CAUSE DISPLAY MODE PrecedureReading the Display Hexadecimal nBinary Conversion Table Reading the DisplaySECTION GENERAL SECTION DISASSEMBLY 3-1.GLASS ASSY3-2.FRONT PANEL 3-4.BASE UNIT AND BD BOARD 3-3.SLIDER CAM3-5.SW BOARD AND LOADING MOTOR M103 4-2.SETTING THE TEST MODE 4-1.PRECAUTIONS FOR USE OF TEST MODESECTION TEST MODE 4-3.EXITING THE TEST MODE4-5.SELECTING THE TEST MODE 4-6.FUNCTIONS OF OTHER BUTTONS 4-5-1.Operating the Continuous Playback Mode4-5-3. Non-VolatileMemory Mode EEP MODE 4-7.TEST MODE DISPLAYS 2. Error rate display1. Mode display 3. Address display5-1.PARTS REPLACEMENT AND ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTS5-5.CREATING CONTINUOUSLY RECORDED DISC 5-4.PRECAUTIONS FOR ADJUSTMENTS5-6-2.Laser Power Check Checking Procedure5-6.CHECKS PRIOR TO REPAIRS 5-6-1.Temperature Compensation Offset CheckCD Error Rate Check 5-6-5.C PLAY Checking MO Error Rate Check5-6-4.Focus Bias Check 5-6-6. Self-Recording/playbackCheck5-10.LASER POWER ADJUSTMENT 5-7.INITIAL SETTING OF ADJUSTMENT VALUESetting Procedure Recording ProcedureAdjusting Procedure 5-11.TRAVERSE ADJUSTMENTSpecified Value ConnectionAdjusting Procedure 5-12.FOCUS BIAS ADJUSTMENT5-15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 5-13.ERROR RATE CHECK5-13-1.CD Error Rate Check 5-13-2.MO Error Rate Check5-15.ADJUSTING POINTS AND CONNECTING POINTS BD BOARD SIDE ABD BOARD SIDE B 6-1.CIRCUIT BOARDS LOCATION SECTION DIAGRAMSSIGNAL PATH 6-2.BLOCK DIAGRAMS - BD SECTIONMDS-SD1 PB Digital outMAIN SECTION PagePBDigital out RECDigital inBD 1/2 SECTION WAVEFORMS - BD 1/2 SECTIONDISPLAY SECTION MDS-SD1See page 32 for Circuit Boards Location 6-3.PRINTED WIRING BOARD - BD SECTIONSemiconductor Location MDS-SD1See page 61 for IC Block Diagrams 6-4.SCHEMATIC DIAGRAM - BD 1/2 SECTIONSee page 38 for Waveforms See page 64 for IC Pin FunctionsSee page 39 for Printed Wiring Board 6-5.SCHEMATIC DIAGRAM - BD 2/2 SECTIONMDS-SD1 PageSee page 49 for Printed Wiring Board 6-6.SCHEMATIC DIAGRAM - MAIN 1/2 SECTIONPage Page Page Page PageSee page 62 for IC Block Diagrams 6-7.SCHEMATIC DIAGRAM - MAIN 2/2 SECTIONMDS-SD1 PageMDS-SD1 6-8.PRINTED WIRING BOARD - MAIN SECTIONPage PageSee page 38 for Waveforms 6-9.SCHEMATIC DIAGRAM - PANEL SECTIONMDS-SD1 PageMDS-SD1 6-10.PRINTED WIRING BOARD - PANEL SECTIONPage See page 32 for Circuit Boards LocationSee page 63 for IC Block Diagrams 6-11.SCHEMATIC DIAGRAM - CONNECTOR SECTIONMDS-SD1 PageMDS-SD1 6-12.PRINTED WIRING BOARD - CONNECTOR SECTIONPage See page 32 for Circuit Boards Location6-14.PRINTED WIRING BOARD - BD SWITCH SECTION 6-13.SCHEMATIC DIAGRAM - BD SWITCH SECTION6-15.SCHEMATIC DIAGRAM - ENCODER SECTION 6-16.PRINTED WIRING BOARD - ENCODER SECTIONBD Section 6-17.IC BLOCK DIAGRAMSIC101 CXA2523ARBH6511FS-E2 IC152MAIN Section IC201IC822 CONNECTOR SectionM62016FP-E1 IC851IC101 CXA2523AR RF Amplifier BD Board 6-18.IC PIN FUNCTIONSPage Page 7-1.CASE AND BACK PANEL SECTION SECTION EXPLODED VIEWS7-2.FRONT PANEL SECTION 7-3.MECHANISM DECK SECTION MDM-5A 254 7-4.BASE UNIT SECTION MBU-5A252 251SECTION ELECTRICAL PARTS LIST CONNECTOR CONNECTOR ENCODER MAIN MAIN MAIN PANEL SW PANELPage Sony Corporation MDS-SD1Home A&V Products Company Shibaura