Sony 4-216-840-0 service manual Block Diagram MD Servo Section, ∙ Signal Path, Play Analog OUT

Page 36

MDS-M100

6-2. BLOCK DIAGRAM – MD SERVO Section –

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIGITAL SIGNAL PROCESSOR,

 

 

 

 

 

 

 

 

 

 

 

 

 

EFM/ACIRC ENCODER/DECODER,

 

IC121 (1/2)

 

15

 

 

 

 

 

 

 

 

SHOCK PROOF MEMORY CONTROLLER,

 

 

TX

 

 

 

 

 

 

 

 

ATRAC ENCODER/DECODER

 

 

 

 

 

 

 

 

 

 

OVER WRITE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC121 (1/2)

100

EFMO

 

 

 

 

 

 

 

 

 

HEAD DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HR901

 

 

 

 

IC181, Q181, 182

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FILI

 

 

 

 

OVER WRITE HEAD

 

 

 

 

SCTX

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

FILTER

PCO

 

 

 

 

I

 

I

MORFO

MORFI

 

 

 

59

COMPA-

EFM/ACIRC ENCODER/DECODER

SHOCKPROOF MEMORYCONTROLLER

ATRAC ENCODER/DECODER

 

 

 

 

54

ASYI

 

 

 

 

 

 

 

 

 

62

CLTV

PLL

 

 

 

 

 

 

 

 

 

 

 

 

61

FILO

 

 

 

 

 

 

 

 

 

 

 

RF AMP,

 

 

 

 

 

 

 

 

 

 

 

 

 

FOCUS/TRACKING ERROR AMP

 

 

 

 

 

 

 

 

 

48

47

 

 

IC101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASYO

 

 

 

 

 

 

 

 

 

 

 

 

 

53

 

 

 

 

J

1

J

RF AMP

RFO

AGCI

RF AGC

RF

57

RFI

RATOR

 

 

 

2

46

40

38

 

 

 

 

 

 

 

 

 

& EQ

 

 

 

 

 

 

 

ADDT

25

DATAI

22

SAMPLING

XBCKI

 

RATE

24

 

CONVERTER

LRCKI

23

 

 

DIGITAL

DIN0 19

AUDIO

DIN1

20

INTERFACE

DOUT

21

 

 

 

 

DADT

26

 

 

WAVE SHAPER

IC601 (1/2)

ADDT

DIGITAL IN

OPTICAL

RECEIVER

IC611

DADT, BCK, LRCK

A (Page 39)

B (Page 39)

 

EQ

B.P.F.

AUX

 

33

 

WBL

F

3T

TEMP

PEAK

 

B

PEAK &

37

 

BOTTOM

BOTM

 

 

36

28 27 29

XBCK

LRCK

FS256

CLOCK

OSCI

16

DIVIDER

512FS

C

(Page 39)

OSCO

IC123

 

GENERATOR

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

B

 

 

 

 

WBL

 

 

 

 

ADFG

 

SUBCODE

 

 

 

 

 

 

 

 

 

 

 

I

 

J

 

 

 

AT

 

ADFM

ADIN

ADFG

 

ADIP

PROCESSOR

D

 

A

 

 

 

B.P.F.

29

30

78

DEMODULATOR/

 

 

 

 

A

A

 

AMP

32

 

 

 

 

 

 

 

 

 

 

 

DECODER

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

5

I-V

 

 

 

 

ABCD

 

 

 

 

 

E

 

C

 

ABCD

 

 

 

 

 

 

 

 

6

AMP

 

 

 

 

 

 

 

 

 

DETECTOR

D

 

AMP

 

 

35

 

 

 

CPU

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

FOCUS

 

FE

 

 

 

 

 

 

 

 

 

 

 

 

F0CNT

SPINDLE

 

 

 

C

 

 

 

 

 

79

INTERFACE

 

 

 

 

 

 

 

ERROR AMP

 

34

 

 

 

D

 

 

 

 

 

 

 

 

SERVO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

E

 

 

TE

 

SPFD

SPRD

 

XRST DQSY

SQSY

XINT

SENS SRDT

SWDT SCLK XLAT

 

 

 

 

 

F

9

F

AMP

ERROR AMP

SE

28

 

 

8

 

I-V

TRACKING

 

26

 

 

 

 

 

 

 

 

LASER DIODE

94

93

10

12

11

14

9

8

5

6

7

 

COMMAND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ILCC

 

AUTOMATIC

 

APC

 

 

 

 

WBL 3T EQ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LD/PD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

AMP

 

 

 

 

 

 

 

 

SERIAL/

 

 

PD

 

LD

 

Q162, 163

 

 

 

 

 

 

 

 

 

 

 

PARALLEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V-I

 

CONVERTER,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

DECODER

 

 

 

 

 

 

 

PD

LASER ON

 

10

PD

 

 

APCREF

 

F0CNT

 

SWDT SCLK XLAT

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

20

16 17 18

18

5

23 71 32

31 33 75

OPTICAL PICK-UP

 

 

(KMS-260A/J1NP)

 

 

DQSY

SQSY

XINT

SENS

SRDT

SWDT SCLK XLATCH

FOCUS/TRACKING COIL DRIVE,

 

 

 

 

 

 

 

 

 

 

SPINDLE/SLED MOTOR DRIVE

 

70

LDON

 

 

 

 

 

IC152

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PSB 16

 

73

DIG-RST

 

 

 

 

 

 

 

67

WR-PWR

 

LDIN

 

LDOUT

 

 

 

76

MOD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

 

55

 

M101

M

6

OUT4F

IN4R

3

SPFD

 

 

 

 

 

SPRD

 

 

 

 

 

(SPINDLE)

8

OUT4R

IN4F

4

13

67 65 66 75 74 63 64

 

 

 

 

 

 

 

 

 

 

RECP

AUX1 ABCD FE TE SE PEAK BOTM

 

 

 

 

 

 

 

 

 

83 APCREF

AUTOMATIC

 

5

6

 

 

 

 

 

 

 

 

IN1

IN2

 

 

 

 

 

 

 

POWER

 

LOADING

 

 

 

 

 

 

 

 

SFDR

CONTROL

ANALOG MUX

 

VZ 4

M102

 

27 OUT2F

IN2F

29

MOTOR DRIVE

 

 

 

 

M

92

 

 

IC441

 

 

(SLED)

25 OUT2R

IN2R

30

SRDR

 

 

OUT1

OUT2

 

91

 

 

 

INTERNAL BUS

MONITOR

CONTROL

MNT0

MNT1

MNT2

MNT3

1

2

3

4

FOK

SHOCK

XBUSY

SLOCK

78 72 74 66

MNT0 (FOK)

MNT1 (SHOCK)

MNT2 (XBUSY)

MNT3 (SLOCK)

REFERENCE

VOLTAGE SWITCH

Q441, 442

D0 – D3

49, 48, 50, 51

1, 2, 18, 19

DQ1 – DQ4

A00– A09

–3631,40, 45

15,–119, 5

D-RAM

A9–A0

 

 

 

IC124

 

34 –

6 –

 

XOE

43

16

XOE

XWE

47

3

XWE

XRAS

46

4

XRAS

XCAS

44

17 XCAS

 

SCTX 80

SIGNAL PATH

SYSTEM CONTROLLER

: PLAY (ANALOG OUT)

IC501 (1/2)

: REC (ANALOG IN)

: REC (DIGITAL IN)

UNREG

 

 

+12V

 

S101

LIMIT-IN

77

(LIMIT IN)

 

 

REC-P

59

S601

(REC POSITION)

 

 

PACK-OUT

53

S602

2-AXIS DEVICE

(TRACKING)

(FOCUS)

FCS+

FCS–

TRK+

TRK–

21

OUT1F

IN1F

19

88

FFDR

23

OUT1R

IN1R

18

89

FRDR

12

OUT3F

IN3F

14

86

TFDR

10

OUT3R

IN3R

15

85

TRDR

PWM GENERATOR

DIGITAL

 

A/D CONVERTER

 

 

SERVO

 

 

SIGNAL

 

FROM CPU

PROCESS

 

 

 

INTERFACE

 

XLRF

80

XLAT

AUTO

CKRF

81

SCLK

SEQUENCER

DTRF

SWDT

82

 

 

 

 

DIGITAL SERVO

SIGNAL PROCESSOR

IC121 (2/2)

2 10

M

M103

(LOADING)

HF MODULE

SWITCH

IC103, Q102 – 104

56 LD-LOW

 

(PACK OUT)

 

 

PB-P

60

S604

(PLAY POSITION)

 

 

REFLECT 69

PROTECT 68

S102

(REFLECT/PROTECT DETECT)

HIGH REFELECT RATE/

WRITE PROTECT

LOW REFELECT RATE/

UN-PROTECT

HF MODULE MOD 05

– 37 –

– 38 –

Image 36
Contents Specifications MDS-JE520MDM-5A SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Table of Contents DiagramsSection Servicing Notes Flexible Circuit Board Repairing VarningJIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactoryRetry Cause Display Mode PrecedureHexadecimal nBinary Conversion Table Section General Section Disassembly CoverFront Panel Section Main Board Mechanism Deck Section MDM-5ASlider CAM Base Unit MBU-5A, BD BoardSW BOARD, Loading Motor M103 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode Display Contents Mark GroupOperating the Continuous Playback Mode Non-Volatile Memory Mode EEP ModeMID OUTTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK-UP KMS-260APrecautions for Adjustments Laser power meterTemperature Compensation Offset Check Laser Power CheckCheck Prior to Repairs Traverse CheckPlay Checking MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjustmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment ING CONTINUOUSLY-RECORDED DiscError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment Location Section Diagrams IC PIN Function DescriptionMNT2 Xbusy XlatSrdt SensXras XWEAsyo AsyiFS4 SrdrSfdr SprdAder ByteCnvss RSTSTB ChackLdin LD-LOWBlock Diagram MD Servo Section ∙ Signal PathPlay Analog OUT REC Analog REC DigitalBlock Diagram Main Section REC AnalogCircuit Boards Location CNDSemiconductor Location MDS-M100 Schematic Diagram BD Board 2/2 See 65 for Waveforms. See page 51 for IC Block DiagramSchematic Diagram SW Board Printed Wiring Board SW BoardIC121 CXD2654R Main Board IC301 ΜDA1341TS/N2IC406 M62016L IC421 M5293L IC152 BH6511FS-E2MDS-M100 Semiconductor Location Schematic Diagram Main Board 1/2 See page 65 for Waveform MDS-M100 Ref. No Location D741 D742 IC761 Q741 Q742 Q767 MDS-M100 Section Exploded ViewsCover Section Chassis Section AEP, SPMechanism Section MDM-5A 201 206 204 205209 4-988-466-11 Spring ELECTROSTATIC, Leaf 221 A-4680-409-A Holder Complete AssyBase Unit Section MBU-5A Section Electrical Parts List AC Select BDShort Switch IC/TRANSISTORCXA2523AR Transistor FMW1Connector MainCeramic Inductor CarbonExcept US, CND Main Panel Panel SW Trans Sony Corporation