Sony MDS-JD320 IC171 XL24C01AF, IC192 L88MS33T, Main section IC301 LA9615, IC307 CXD8607N

Page 36

 

IC171 XL24C01AF

 

 

 

 

A0

1

 

 

 

1024 BIT EEPROM ARRAY

 

8

VCC

 

 

 

 

 

 

 

 

7BIT

 

 

 

 

8BIT

 

 

A1

2

ADDRESS

7BIT

 

SLAVE WORD

DATA

7

TEST

DECODER

ADDRESS RESISTOR

RESISTOR

 

 

 

 

 

 

A2

3

 

 

START

STOP

 

6

SCL

CONTROL CIRCUIT

 

 

 

 

 

 

 

 

HIGH VOLTAGE

 

 

ACK

 

 

 

GND

4

 

 

VOLTAGE

 

5

SDA

 

 

GENERATION CIRCUIT

DET

 

 

 

IC192 L88MS33T

 

 

 

 

 

 

START UP

REFERENCE

ERROR

 

 

CIRCUIT

VOLTAGE

 

 

AMP

 

 

 

 

 

 

 

ON/OFF

 

PROTECTOR

CURRENT

 

CONTROL

 

LIMITER

 

 

 

1

2

3

4

5

VIN

STB

GND

CN

VOUT

• Main section

 

IC301 LA9615

 

 

 

 

LINE02

1

 

 

 

36

LINE1

PMUTE

2

 

 

VEE

35

VEE

 

 

 

34

MIC1

LINE01

3

 

 

 

 

+

 

33

SW01

 

 

 

 

MUTE

4

 

 

 

 

 

 

 

 

 

LINE/MIC

5

 

 

32

SWI1

VDD

6

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

31

–A/D1

+D/A1

7

+

2.35k

30

INV1

+D/A1

8

+

 

 

 

 

 

 

 

 

 

 

 

 

+D/AO1

9

 

 

 

29

+A/D1

LP1N1

10

 

 

 

+

+

 

28

A/DREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LPOUT1

11

13.2k

 

 

27

VREF

 

 

 

GND1

12

 

 

2.35k

26

+A/D2

LPOUT2

13

 

+

 

 

 

 

 

 

 

 

13.2k

 

25

INV2

 

 

 

 

24

–A/D2

LPIN2

14

+

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

D/AO2

15

 

 

23

SWI2

 

 

 

 

 

–D/A2

16

 

22

SWO2

+

 

+D/A2

17

+

 

 

 

 

 

21

MIC2

 

 

 

 

 

 

 

 

VCC

18

VCC

 

 

20

GND2

 

 

 

 

 

19

LINE2

 

IC307 CXD8607N

 

 

 

 

 

INRP

1

+

 

 

 

+

56

INLP

INRM

2

MODULATOR

MODULATOR

55

INLM

 

 

 

REFI

3

 

 

 

 

 

54

REFO

AVDD

4

 

 

 

 

 

53

LVSS

AVSS

5

 

DECIMATION

DECIMATION

 

52

LVDD

APD

6

 

 

51

AVSS(LF)

 

FILTER

 

FILTER

VOLTAGE

NU

7

 

 

 

 

50

NU

 

 

 

 

REFERENCE

NU

8

 

LOW CUT

 

LOW CUT

 

49

NU

TEST1

9

 

 

 

48

VSS1(LF)

 

FILTER

 

FILTER

 

LRCK1

10

 

 

 

 

 

47

TEST3

BCK1

11

 

 

 

 

 

46

TEST2

ADDT

12

 

 

I/O

 

 

45

VSS1

V35A

13

 

 

 

 

44

VDD1

 

 

 

 

 

VSS1 (LF)

14

 

 

 

 

 

43

VDD1

MCKI

15

 

 

OVER

 

 

42

VDD2

DPD

16

 

 

MOIZE

 

41

L1

 

ATT

SAMP

PLM

 

 

 

SHAPER

 

 

VSS2(LF)

17

 

 

FILTER

 

40

AVDDL

 

 

 

 

INIT

18

 

 

 

 

 

39

L2

MODE

19

 

CPU

 

 

 

38

AVSSL

SHIFT

20

 

 

 

 

37

XVSS

 

INTERFACE

 

 

 

LATCH

21

 

 

 

 

36

XIN

 

I/O

 

 

 

256CK

22

 

 

 

 

35

XOUT

 

 

 

 

 

V35D

23

 

 

 

 

 

34

XVDD

VSS2

24

 

 

 

 

 

33

AVSSR

512CK

25

 

 

 

 

 

32

R2

BCK2

26

 

 

OVER

NOIZE

 

31

AVDDR

DADT

27

 

ATT

SAMP

PLM

30

R1

 

SHAPER

 

 

FILTER

 

LRCK2

28

 

 

 

 

29

VDD2

 

 

 

 

 

— 52 —

 

 

 

 

 

 

 

Image 36
Contents Specifications MDM-3GCFlexible Circuit Board Repairing VarnigTable of Contents DisassemblyDiagrams Exploded ViewsSELF-DIAGNOSIS Function Self-Diagnosis FunctionForced Reset Section Servicing NoteJIG for Checking BD Board Waveform Main Board Component SideRetry Cause Display Mode Fluorescent Display Tube SignsHexadecimal nBinary Conversion Table Section General Location of Parts and ControlsSection Disassembly Case and Front Panel AssemblyBracket T, L and R BD Board SUB ChassisShutter Assembly Over Write HeadSlider Complete Assembly Section Test Mode Operating the Continuous Playback Mode Operating the Continuous Recording ModeNon-Volatile Memory Mode MIDTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Precautions for AdjustmentsTemperature Compensation Offset Adjutment Laser Power AdjustmentSpecified Value Traverse Adjustment Traverse WaveformFocus Bias Adjustment Error Rate CheckAdjusting Points and Conneting Points MDS-JE320MDS-JE320 Section Diagrams Block DiagramsOptical PICK-UP Block MainMain Section RECFor 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 Printed Wiring Board Main Section Main BoardSchematic 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 IC121 CXD2652AR IC152 BH6511FSIC171 XL24C01AF IC192 L88MS33TMain section IC301 LA9615 IC307 CXD8607NIC308 M5218AL IC309 LA5620 IC310 M5293L IC311 LB1641IC PIN Functions IC101 RF Amplifier CXA2523R Pin No Pin Name FunctionMNT0 FOK MNT1 ShckMNT2 Xbusy MNT3 SlocPin No Pin Name Function Tfdr FfdrFrdr FS4IC307 A/D, D/A converter CXD8607N Pin No Pin Name Function TEST2 TEST3Lvdd LvssTimer SW Power DownDaout ChuckMNT2 MNT3LED0 BUS OUTDIG-RST BeepDA-RST Dsel A, Dsel BSection Exploded Views Main SectionFront Panel Section 6059Panel ASSY, Front US,CND Button MainMechanism Deck MDM-3GC 201 202203 204 205 206 207 209 208252 253 254 259257 258 260 271 Section Electrical Parts List TC74ACT540FS Inductor ChipShort InductorControl SW Display Eject SW Main NJM78L06A NJM79L12ASN74HCU04AN 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.