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Sony MZ-R37 specifications 25, 26, Block Diagram — Servo Section, Signal path, R-ch :same as L-ch

Models: MZ-R37

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Page 24

MZ-R37

MZ-R37

6-2. BLOCK DIAGRAM — SERVO SECTION —

REC DRIVE

DIGITAL SERVO ENC/DEC

IC901 (1/2)

MODE1

8

&

ATRAC MEMORY CONTROLER

DRAM

MODE2

9

IC601

OVER

OVER WRITE

HA

IC602

63

EFM

EFM

EFMO

WRITE

HEAD DRIVE

HB

64

100

XWE

45

3

XWE

62

LOGIC

HEAD

Q741,742

XRAS 44

4

XRAS

XCAS 42

17 XCAS

EFM/

XOE 41

16 XOE

ACIRC

1

ENCODER/

D0-D3

OPTICAL

RF AMP

•

DECODER

46

PICK-UP

IC501

2

DQ1-DQ4

•

1

RF

49

18

I

RF

AGC/

RF

38

55

RFI

•

2

19

J

AMP

EQ

SHOCK

29

VC

AUX

AUX

5

A0

33

66

AUX1

PROOF

SW

A00

32

VC

3

VC

PEAK

MEMORY

PEAK/

37

62

PEAK

•

9

BOTM

CONTROL

34

•

BOTTOM

36

63

BOTM

A09

11

ABCD

ABCD

38

A9

A

4

35

64

ABCD

•

15

B

5

AMP

43

C

6

I-V

FOCUS

FE

DADT 24

D

7

34

65

FE

SDTI

CONV.

ERROR

AI

AMP

ADFG

ADDT 23

SDTO

32

78

ADFG

AMP

ALRCK 25

LRCK

AUDIO

TRACKING

TE

ABCK 26

BCK

A

E

8

I-V

26

74

TE

SECTION

ERROR

SE

FS256

27

F

9

CONV.

28

73

SE

MCLK

AMP

DIGITAL

(Page 27)

SWDT

DTRF

DIN 21

16

82

AUDIO

DIN

PD

10

SCLK

17

81

CDRF

IN

XRST

XLAT

18

80

XLRF

APC

APCREF

12

83

APCREF

FO CONT

20

79

FO CONT

XSTBY

11

19

Q581

Q581

16

OSCI

(1/2)

(2/2)

SYSTEM

AUTO POWER

17 OSCO

C

CONTROL

VCC

CONTROL

2.8V

X601

FS4

90

FS4

22.5MHz

Q571

SECTION

LDON

(Page 30)

FOCUS/TRACKING COIL

SLED/SPINDLE MOTOR DRIVE

TRACKING

IC701

COIL

+

29

20

86

TFDR

–

DRIVE

SYSTEM CONTROL

27

21

85

TRDR

IC801 (1/3)

FOCUS COIL

+

8

16

88

FFDR

MNT 0

1

76

T COUNT

MODE 1

34

–

DRIVE

10

17

89

FRDR

MNT 1

2

99

XSHOCK

MODE 2

33

MNT 3

4

63

FOK PORT

PSB 34

SWDT

5

78

SDO 1

SCLK

6

79

SCK 1

SLED

SD+

12

DRIVE

18

92

SFDR

XLAT

7

82

XLAT

CLV STB 100

MOTOR

SD–

14

19

91

SRDR

SRDT

8

77

SDI 1

RF SW

8

SPOFF

SENS

9

97

SENSE

RSI

72

AOUT

4

DRIVE

35

XRST

10

2

XRST

SPOFF

71

RSI

AOUTB

6

3

SQSY

11

80

SQSY

XPHOTOSW

29

PROTECT

DQSY

12

75

DQSY

INLS

47

XINTREC SW

SPINDLE MOTOR DRIVE

25

DRIVE

22

94

SPFD

TX

15

4

TX

XINTRECSW

58

INLS

WRPWR

13

3

WRPWR

PROTECT

20

IC761

FGIN

95

61

FGIN

LDON

98

COM

6

VM

12

CLV STB

93

SPRD

Signal path

SPINDLE

W

19

17

DRIVE STBY

XRFSW

MOTOR

V

20

14

: PLAY(DIGITAL)

U

1

FG 11

: REC(DIGITAL)

HIGH

POWER

2.8V

2.8V

3

VCC DET 4

2.8V

SWITCH

R-ch : same as L-ch.

IC581

Q761

MD MECHANISM

04

XPHOTO SW

– 25 –

– 26 –

Image 24

Sony MZ-R37 specifications 25, 26, Block Diagram — Servo Section, Signal path, R-ch :same as L-ch

Contents

SPECIFICATIONS MZ-R37US Model Canadian Model AEP Model UK Model E Model Australian Model Tourist ModelPrecautions for Laser Diode Emission Check Precautions for Using Optical Pick-up KMS-280AOptical Pick-upflexible board TABLE OF CONTENTS SELF-DIAGNOSTICDIAGRAMS DISASSEMBLYSECTION 1 GENERAL – 4 –SECTION SELF-DIAGNOSTIC 2-2.TEST MODE SETTING2-3.OPERATION IN TEST MODE SETTING 2-5. SELF-DIAGNOSTICMODE– 6 – • Description of Error Indication CodesProblem • Description of History CodesSECTION DISASSEMBLY – 7 –3-1.PANEL, BOTTOM 3-2.PANEL SV ASSY, FRONT3-4.CONNECTOR – 8 –3-3.LCD MODULE 1 CN801– 9 – 3-5.MAIN BOARD3-6.PANEL SV ASSY, UPPER 2 1.7x4.5, tapping– 10 – 3-7.CABINET SV ASSY3-8.OP BLOCK ASSY 1 MD, stepNotes for Installation of the OP Block Assy – 11 –3-9.HOLDER ASSY • Location of the Flexible Board marked line4-2.TEST MODE SETTING XX XX SERVOSECTION 4 TEST MODE – 12 –32 OF SERVO 32 OF S-GAINOA 000a4F OA 000b4FXX XX AUDIO XX XX MECHAXX XX POWER 4-5.OVERALL ADJUSTMENT MODE ASSY MODEXXASSY-M 51CD-RUN– 16 – 4-6.HYBRID MODE, KEY CHECK MODESECTION ELECTRICAL ADJUSTMENTS PRECAUTIONS FOR ADJUSTMENTLASER POWER CHECK MO TRAVERSE ADJUSTMENT– 18 – LOW REFLECTION CD TRAVERSE ADJUSTMENTCD TRAVERSE ADJUSTMENT Connection– 19 – CD RF LEVEL CHECKRF waveform SECTION DIAGRAMS – 20 –6-1.IC PIN DESCRIPTIONS – 21 – – 22 – • IC801 CXP740010 SYSTEM CONTROL– 23 – 6-2.BLOCK DIAGRAM — SERVO SECTION — Signal pathMZ-R37 – 25 –6-4.BLOCK DIAGRAM — SYSTEM CONTROL SECTION — – 27 –– 28 – – 29 –6-5.PRINTED WIRING BOARD – 31 –– 32 – – 33 –– 35 – – 36 –– 37 – • Waveforms– 38 – – 39 –– 40 – • Waveform– 41 – – 42 –MZ-R37 – 44 – – 45 –– 46 – – 47 – IC761 BA6966FV-E2IC803 AK6420AM-E IC901 MPC18A35FTA SECTION EXPLODED VIEWS – 49 –7-1.PANEL SECTION 2 3 14 13 12 11 9 10 8– 50 – 7-2.CABINET SV ASSY SECTION52 62 69 66– 51 – 7-3.MECHANISM DECK SECTION MT-MZR37-161 101 104108 111 109 124 113ELECTRICAL PARTS LIST SECTIONMAIN – 52 –– 53 – MAIN– 54 – MAIN– 55 – MAINMZ-R37 MAIN – 56 –Sony Corporation 9-926-952-12SERVICE MANUAL • ACCESSORIES & PACKING MATERIALSSUPPLEMENT-1 Ver 1.2 1999.PRINTED WIRING BOARD SCHEMATIC DIAGRAMSUPPLEMENT-2 Ver 1.3 1999.SIDE A 1 A B CD E F G H Page 2. PRINTED WIRING BOARD — US MODEL — SIDE A1 A B C D E F G HPage • Difference of Schematic Diagram US Model MZ-R37– 12 – – 13 –4. SCHEMATIC DIAGRAM — MAIN SECTION 2/3 — MZ-R37– 15 – – 17 –5. SCHEMATIC DIAGRAM — MAIN SECTION 3/3 — MZ-R37– 19 – – 20 –6. ELECTRICAL PARTS LIST MAIN– 21 – MAIN – 22 –Ref. No MAIN – 23 –Ref. No MAIN – 24 –Part No MAIN – 25 –Part No • ELECTRICAL PARTS LIST/MISCELLANEOUS 7. Corrections • EXPLODED VIEWSINCORRECT CORRECT