Sony 4-216-349-0 US model 4-216-349-1 Canadian model 4-216-349-2 AEP, Singapore model MDS-JE330

Page 29

6-2. BLOCK DIAGRAMS

– BD SECTION –

OVER WRITE HEAD DRIVE

IC181

HR901

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

IC121

MDS-JE330

SCTX

XINIT

 

OVER WRITE

 

9

 

 

 

HEAD

8

 

 

R-ch is omitted.

12

 

 

HEAD

 

 

10

 

 

• Signal path

DRIVE

11

 

1

3

Q181,182

 

 

 

13

2

: PB

 

 

 

 

 

 

 

 

: REC

 

6

4

 

 

: PB (Digital out)

 

5

 

 

 

 

 

 

 

 

 

 

 

100

EFMO

EFM,

15

14

 

 

TX

XINIT

DIN0

19

 

 

DIN1

20

 

 

ADDT 25

SHOCK

 

 

DIN0

DIN1

ADDT

: REC (Digital in)

 

 

 

 

 

 

 

 

 

 

 

 

 

FILTER

 

 

 

 

 

 

 

 

 

 

 

RF AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC101

 

 

 

 

 

 

 

 

 

 

 

48 47 46 40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPTICAL PICK-UP BLOCK

 

 

 

MORFO

MORFI RFO

AGCI

 

 

 

 

 

 

 

 

(KMS-260A/J1N)

 

 

 

 

RF AGC & EQ

 

 

RF

38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J

RF AMP

 

BPF

P-P

 

 

AUX

 

 

 

DETECTOR

 

 

 

2

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

PEAK

 

BOTM

36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&

 

PEAK

37

 

I

C

B

J

 

 

 

 

 

 

 

 

 

BOTTOM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

A

 

 

 

 

A

 

 

 

 

 

ABCD

 

ABCD

 

 

 

 

E

 

 

 

4

 

 

 

 

 

 

35

 

 

 

 

 

 

5

B

 

 

 

 

 

AMP

 

 

 

 

 

 

 

 

 

 

C

IV AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

FOCUS

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

FE 34

 

 

 

 

 

 

 

E

 

 

 

 

 

ERROR

 

 

 

 

 

 

 

 

8

 

 

 

 

 

AMP

 

 

 

VC

 

 

 

 

 

 

F

IV AMP

 

 

 

 

 

ADAGC

 

 

 

 

 

 

 

9

 

 

 

 

 

 

31

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

AT

BPF

29

 

 

 

 

 

 

 

 

 

 

 

E-F

 

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADFM

 

 

 

 

 

 

 

 

 

 

 

 

BALANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADIN

 

 

 

 

 

 

 

VC

 

 

 

 

VCC

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

3

VC

CVB

 

 

 

 

 

 

ADFG 32

 

 

 

 

 

 

 

15 TEMPR

 

 

 

 

 

TRACKING

TE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

 

 

 

 

 

 

D101

 

 

 

 

 

 

 

ERROR

 

SE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

TEMPI

TEMP

 

 

 

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

AMP

 

 

 

 

 

 

CSLED

27

VC

 

 

 

 

 

LASER ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PD

 

 

 

 

 

 

 

 

 

 

PD

 

 

 

 

SW

10

 

 

 

 

 

SERIAL

 

SWDT

16

 

 

 

 

 

 

Q101

 

 

 

 

 

 

 

 

SCLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VICONV

PARALLEL

17

 

 

 

 

 

 

 

 

 

 

 

 

 

XLAT

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

APC

APCREF

 

EQADJ

3TADJ WBLADJ

 

 

FOCNT

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

12

 

22 23 25

 

 

 

 

 

LD

 

 

ILCC

 

 

APC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q162,163

 

 

 

 

 

 

 

 

 

 

 

HF

 

 

 

 

 

HF MODULE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

 

 

 

 

 

 

 

 

 

 

MODULE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC103,Q102-104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRACKING

 

 

 

 

 

SLED/SPINDLE MOTOR DRIVE

 

 

 

 

 

 

 

 

COIL

 

 

 

 

 

FOCUS/TRACKING COIL DRIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC152

 

 

 

 

 

 

 

 

 

 

FOCUS

 

 

 

TRK–

10

 

 

 

 

14

TFDR

 

 

 

 

 

 

COIL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRK+

DRIVER

 

 

TRDR

 

 

 

 

 

 

 

 

 

 

12

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FSC+

21

 

 

 

 

18

FRDR

 

 

 

 

 

 

 

 

 

 

FSC–

DRIVER

 

 

FFDR

 

 

 

 

 

 

 

 

 

 

23

 

 

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M102

M

SLED+

27

 

 

 

 

29

SFDR

 

 

 

 

 

 

 

SLED–

DRIVER

 

 

SRDR

 

 

 

 

 

 

SLED MOTOR

 

25

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M101

M

SPDL+

6

 

 

 

 

3

SPFD

 

 

 

 

 

 

 

SPDL–

DRIVER

 

 

SPRD

 

 

 

 

 

 

SPINDLE MOTOR

 

8

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PSB

16

XRST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ATRAC

59

PCO

ACIRC,

ENCODER/

RESISTANT

ENCODER/

DIGITAL

AUDIO

 

60

FILI

DECODER

MEMORY

DECODER

I/F

CONTROLLER

 

 

61

FILO

62

CLTV

DADT 26

57

RFI

 

DOUT 21

 

XBCK

28

 

LRCK

SAMPLING

 

 

 

67 AUX1

RATE

CLOCK

27

GENERATOR

 

CONVERTER

OSCI

 

 

 

64

BOTM

16

63

PEAK

65

ABCD

PLL

ANALOG

MUX

SUBCODE

SQSY

11

DQSY

PROCESSOR

12

 

66

FE

MNT3

4

 

68

VC

MONITOR

MNT2

3

MNT1

 

 

 

75

TE

CONTROL

2

A/D

MNT0

74

SE

CONVERTER

1

 

 

SENS

 

9

 

SRDT

 

8

78 ADFG

ADIP

DEMODULATOR/

DECODER

SPINDLE

SERVO

APC

SERVO

 

CPU

SCLK

6

DSP

 

I/F

SWDT

 

 

5

 

 

 

 

XLAT

 

 

 

 

7

 

 

 

 

 

 

PWM

3

AUTO

 

 

GENERATOR

 

SEQUENCER

 

 

 

 

20

 

XWE

47

 

 

 

 

82

DTRF

XRAS 46

81

CKRF

XCAS

44

XOE

 

80

XLRF

43

79 FOCNT

SPRD

SPFD

FG IN

XRST

RECP

93

94

95

10

13

APCREF FFDR FRDR TFDR TRDR SFDR SRDR

D0

D3

A00

A09

 

83 88 89 86 85 92 91

49 • 48 • 50 • 51

34

31 • 36 40 • 45

7

3

BUFFER IC123

DRAM

IC124

3 XWE

4 XRAS

17 XCAS 16 XOE

1 DQ1

2 • 18

19 DQ4

6 A0

9

11

15

 

A9

5

EEP ROM

SDA

5

 

 

IC171

SCL

6

 

DETECT SW

S101, S102,

S601-604

M103 M

LOADING MOTOR

DADT

DOUT

BCK

LRCK

512FS

SQSY

DQSY

MNT3

MNT2

MNT1

MNT0

SENS

 

SRDT

 

SCLK

MAIN

SWDT

SECTION

XLAT CH

 

(Page 31)

LDON

WRPWR

MOD

SDA

SCL

LIMIT-IN

REFLECT

PROTECT

CHACK IN SW

PACK OUT SW

PLAY-P SW

REC P SW

LOAD-IN

LOAD-OUT

DIG-RST

– 29 –

– 30 –

Image 29
Contents MDS-JE330 SpecificationsSELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Varnig Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams Exploded ViewsJIG for Checking BD Board Waveform Section Servicing NoteIOP TEORecord Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsCriteria for Determination Measure if unsatisfactory REC/PLAYBit Binary Retry Cause Display ModeHexadecimal Binary Bit When BinaryHigher Bits Lower Bits Hexa Details Front Panel Section GeneralLocation of Parts and Controls Slider CAM Section DisassemblyCase and Front Panel SW Board and Loading Motor M103 Base Unit MBU-5A and BD BoardPrecautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeGroup Selecting the Test ModeNon-Volatile Memory Mode EEP Mode Operating the Continuous Playback ModeMID OUTFunctions of Other Buttons Test Mode DisplaysMeanings of Other Displays Parts Replacement and Adjustment Section Electrical AdjustmentsPrecautions for USE of Optical PICK- UP KMS-260A Precautions for Checking Laser Diode EmissinonPrecautions for Adjustments Creating Continuously Recorded DiscLaser Power Check Temperature Compensation Offset CheckChecks Prior to Repairs Specified ValueCD Error Rate Check Play Checking MO Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Circuit Boards Location Section DiagramsMDS-JE330 Block Diagrams BD SectionLD-LOVO Main SectionFor printed wiring boards For schematic diagramsWaveforms Display SectionSemiconductor Location Printed Wiring Board BD SectionSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Printed Wiring Board Panel Section Schematic Diagram Panel Section BD Section IC101 Schematic Diagram BD Switch Section IC Block DiagramsPrinted Wiring Board BD Switch Section IC152 BH6511FS-E2 IC121 CXD2654RIC406 M62016L Main section IC301 UDA1341TS/N2IC381 M5218AL IC441 LB1641 Pin No Pin Name Function IC PIN FunctionsIC101 RF Amplifier CXA2523AR BD board MNT1 Shck MNT0 FOKMNT2 Xbusy MNT3 SlocAsyo MvciAsyi AvddFfdr TfdrFrdr FS4IC501 System Control M30620MC-400FP Main board PB-P OPT DEL OPT SEL Mode SELREC/PB SDACase and Back Panel Section Section Exploded Views6162 Front Panel Section225 226 206 205 Mechanism Section MDM-5A251 252 Base Unit Section MBU-5AResistors Section Electrical Parts ListDisplay Display KEY SW Main PIN, Connector 7P Inductor Vibrator MDS-JE330 Main SW VOL SEL