Sony MDS-JD320 service manual Main Section, Rec

Page 21

MDS-JE320

— MAIN Section —

 

 

 

 

 

 

DIGITAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPTICAL IN

 

 

 

A/D, D/A CONVERTER

 

 

 

 

 

 

IC314

 

 

 

 

 

 

 

 

IC307

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIN

 

 

 

12

13

3

IC353

 

 

 

 

 

 

INLM

 

 

 

 

 

 

 

 

 

 

 

 

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INLP

 

 

 

 

 

 

 

 

 

 

ADDT

 

 

A/D

56

 

 

 

 

 

 

 

 

 

12

I/O

 

INRP

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

1

 

 

 

 

 

 

 

 

 

 

 

 

 

INRM

 

 

 

 

 

 

 

 

 

 

 

 

MCK1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 11

15

 

 

 

 

 

 

 

 

 

 

 

 

BCK

 

 

 

X301

 

 

 

 

 

 

 

 

 

 

 

LRCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22MHz

 

 

 

 

 

 

 

 

 

 

 

512FS

 

 

 

 

 

ADDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DADT

 

 

 

 

 

 

 

 

 

 

25 28 26

22 35

36

 

 

SCTX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

256CK XOUT

XIN

L1

 

XINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

41

 

BCK

 

 

 

 

 

 

 

 

DADT

 

 

D/A

39

BCK

 

 

12 89

 

 

 

27

 

I/O

R1

LRCK

 

 

 

 

 

 

 

 

 

CONVERTER

R2

30

LRCK

 

 

XINIT

SCTX

DA-RST

83

18

INIT

 

 

 

32

512FS

 

 

 

 

 

512FS

 

 

CPU INTERFACE

 

 

 

 

 

 

 

 

 

 

 

SQSY

 

 

15

SQSY

 

 

 

 

 

 

 

 

 

 

 

DQSY

 

 

16

DQSY

 

 

 

 

 

 

19 20 21

 

 

 

 

 

SLOCK

 

 

 

 

 

 

SWDT

 

 

 

 

 

MNT3

 

42

MNT3

 

 

 

 

SCLK

 

 

 

 

 

 

 

XBUSY

 

 

 

 

 

 

 

 

 

 

MNT2

 

41

MNT2

 

 

 

 

SRDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MNT1

 

 

33

SHOCK

 

AMUTE

93

 

 

 

 

 

 

 

MNT0

 

 

77

FOK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2423

R-ch

 

17

 

15

 

16

R-ch

MUTE

 

4

RV701

REC LEVEL

26

25

22

21

 

 

 

R-ch

 

FRONT-END

 

 

 

IC301

 

 

 

 

 

R-ch

LPF

14

1

 

 

 

 

MUTE

 

 

 

Q101

 

 

 

R-ch

 

 

MUTE

 

 

 

SW

 

 

 

Q306

 

L

IN

R

J301

LINE

(ANALOG)

R

OUT

L

 

 

 

XOUT-T

24

 

SENS

32

SENS

 

 

X303

XIN-T

25

32.768KHz

SRDT

69

SRDT

 

SCLK

67

SCLK

 

 

 

SWDT

68

SWDT

XOUT

27

X302

XLAT

90

XLATCH

 

 

 

SCLK

 

 

 

12MHz

 

 

XIN

28

 

 

SWDT

 

 

 

 

 

 

 

BD

XLAT

 

KEY0

3

 

 

 

MATRIX

SECTION

 

 

KEY1

4

 

 

 

SW

 

 

 

KEY2

5

 

 

 

 

LIMIT

96

LIMITIN

 

 

 

REFLECT

98

REFLECT

JOG1

50

 

PROTECT

97

PROTECT

JOG0

51

 

R-ch is omitted.

Signal path.

:PB

:REC

: REC (Digital in)

CHUCK IN

 

 

6

CHUCK IN

 

 

 

 

 

 

 

 

 

DIGITAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PACK-OUT

 

 

8

PACK OUT

SORCE

10

 

 

 

 

 

 

 

 

 

INPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PB-P

 

 

 

 

 

38

PLAY P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG

S702

+3V

 

5

+3V REG

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REC-P

 

 

 

 

 

37

REC P

 

 

 

 

 

 

 

 

 

 

 

 

(BD)

 

IC192

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC316

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PH +5V

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDON

 

 

 

 

75

LD ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYS +3.3V

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WRPWR

 

 

 

 

80

WRPWR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANA +5V

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOD

 

 

 

86

MOD

 

 

 

LED SW

D701

 

 

 

 

 

 

 

LED0

43

 

 

 

 

 

 

 

 

 

Q701,702

POWER

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

DRIVE

5

94

 

REMOCOM

14

3

RM

SIRCS

 

 

LOAD-IN

LD IN

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

IC702

 

 

 

 

 

 

 

 

 

 

 

 

DISPLAY DRIVER

 

AC

 

 

 

 

 

 

 

 

 

 

 

IC701

 

 

LOAD-OUT

10

DRIVE

6

94

LD OUT

 

 

 

 

 

S1

4

 

 

 

 

 

 

 

FLCLK

71

 

62

SCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

FLDATA

72

 

63

SDATA

S36

39

FL701

 

LOADING MOTOR

 

 

 

 

FLCS

73

 

61

CS

 

 

FLUORESCENT

 

DRIVE

 

 

 

 

 

 

 

 

 

G1

40

INDICATOR

 

IC311

 

LOADING

 

 

POWER DOWN

13

 

60 RST

TUBE

 

 

 

SW

39

LD LOW

 

G15 54

 

 

 

 

 

 

 

 

 

 

 

 

 

Q301,302

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDA

 

 

 

52

SDA

 

 

 

 

 

 

 

 

SCL

 

 

 

53

SCL

VBAT

23

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM-RST

20

 

 

 

 

 

 

XRST

 

 

 

81

DIG-RST

STB

36

 

 

 

 

 

 

16 @ @

 

 

 

 

SWITCHING REG

 

 

 

 

 

IC309

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V REG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3V REG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V REG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BACK UP

 

 

 

 

 

 

 

 

 

 

 

S. RESET

 

 

 

 

 

 

 

 

 

 

P. DOWN

 

 

 

 

 

 

12

 

9

 

 

 

 

 

 

 

2

 

 

 

 

 

8

 

POWER

ON/OFF SW

Q307, 308

+6V

1

+6V REG

3

IC303

 

 

 

3

 

 

 

 

 

+B

 

 

 

-B

 

7

 

-6V REG

 

-6V

3

2

IC304

 

 

 

-32V

3

-32V REG

1

IC310

 

 

 

RECT D309, 310

RECT D303, 304

RECT D301, 302

RECT D305, 306

AC

FL701

AC

TR301

POWER

TRANSFORMER

AC IN

— 23 —

— 24 —

Image 21
Contents MDM-3GC SpecificationsVarnig Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams Exploded ViewsSelf-Diagnosis Function SELF-DIAGNOSIS FunctionSection Servicing Note Forced ResetJIG for Checking BD Board Waveform Main Board Component SideFluorescent Display Tube Signs Retry Cause Display ModeHexadecimal nBinary Conversion Table Location of Parts and Controls Section GeneralSection Disassembly Case and Front Panel AssemblyBracket T, L and R SUB Chassis BD BoardOver Write Head Shutter AssemblySlider Complete Assembly Section Test Mode Operating the Continuous Recording Mode Operating the Continuous Playback ModeNon-Volatile Memory Mode MIDTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Precautions for Checking Laser Diode Emissinon Section Electrical AdjustmentsPrecautions for USE of Optical PICK- UP KMS-260A Precautions for AdjustmentsTemperature Compensation Offset Adjutment Laser Power AdjustmentSpecified Value Traverse Waveform Traverse AdjustmentError Rate Check Focus Bias AdjustmentAdjusting Points and Conneting Points MDS-JE320Block Diagrams MDS-JE320 Section DiagramsOptical PICK-UP Block MainREC Main SectionFor schematic diagrams For printed wiring boardsWaveform Printed Wiring Board BD Section LocationSemiconductor Schematic Diagram BD /2 See page 26 for Waveforms See page 49 for IC Block Diagrams Main Board Printed Wiring Board Main SectionSchematic Diagram Main /3 MDS-JE320 Schematic Diagram Main /3 Printed Wiring Board Display Section Display BoardEject SW Board Schematic Diagram Display Section Printed Wiring Board Switch Section Schematic Diagram Switch Section IC Block Diagrams IC121 CXD2650RBD section IC101 CXA2523R IC152 BH6511FS IC121 CXD2652ARIC192 L88MS33T IC171 XL24C01AFMain section IC301 LA9615 IC307 CXD8607NIC311 LB1641 IC308 M5218AL IC309 LA5620 IC310 M5293LIC101 RF Amplifier CXA2523R Pin No Pin Name Function IC PIN FunctionsMNT1 Shck MNT0 FOKMNT2 Xbusy MNT3 SlocPin No Pin Name Function Ffdr TfdrFrdr FS4IC307 A/D, D/A converter CXD8607N Pin No Pin Name Function TEST3 TEST2Lvdd LvssPower Down Timer SWDaout ChuckMNT3 MNT2LED0 BUS OUTBeep DIG-RSTDA-RST Dsel A, Dsel BMain Section Section Exploded Views6059 Front Panel SectionPanel ASSY, Front US,CND Button Main201 202 Mechanism Deck MDM-3GC203 204 205 206 207 209 208252 253 254 259257 258 260 271 Section Electrical Parts List Inductor Chip TC74ACT540FSShort InductorControl SW Display Eject SW Main NJM79L12A NJM78L06ASN74HCU04AN Line FilterMDS-JE320 Main

MDS-JD320 specifications

The Sony MDS-JD320 is a MiniDisc recorder that exemplifies the cutting-edge technology of the late 1990s and early 2000s. Designed for both amateur and professional audiophiles, it delivers superior sound quality and an array of features that enhance user experience and functionality. Key to its appeal is its remarkable sound reproduction capabilities, which are achieved through Sony's proprietary technologies, including the ATRAC (Adaptive Transform Acoustic Coding) compression format. This format allows for efficient audio storage without sacrificing sound fidelity, ensuring that each recording is as rich and dynamic as the original source.

One of the standout features of the MDS-JD320 is its ability to create, edit, and playback CDs and MiniDiscs with remarkable ease. Thanks to its digital optical input and output, users can connect the device to various audio sources, such as CD players or mixing boards, to make high-quality recordings. The device supports various recording modes, including long play, which enables users to extend their recording time without significant compromise on audio quality.

The MDS-JD320 also boasts a user-friendly interface, which includes an LCD display that conveniently shows essential information such as track numbers, remaining time, and recording mode. Furthermore, an intuitive remote control offers added convenience, allowing users to navigate through their music collections without having to physically interact with the device.

In terms of connectivity, the MDS-JD320 features not only digital inputs and outputs but also analog connections, making it versatile for various setups. Additionally, the device includes extensive editing features, such as track splitting, combining, and renaming, empowering users to customize their recordings easily.

Moreover, the MDS-JD320's compact design fits seamlessly into any audio setup, making it an attractive choice for both home recording enthusiasts and professionals. Its durable build quality ensures longevity, while its performance continues to impress even in today's digital audio landscape.

With its powerful combination of advanced technologies, ease of use, and high-quality audio performance, the Sony MDS-JD320 remains a sought-after component for collectors and audiophiles alike, representing an enduring legacy in the field of portable digital media solutions.