Sony MDS-JD320 MNT2, MNT3, LED0, Bus Out, Beep SW, Sda, Scl, Aubk, Sa/Sw, CLKSET0, CLKSET1 GND

Page 45

Pin No.

Pin Name

I/O

Function

 

 

 

 

 

41

 

MNT2

I

Monitor 2 input from the CXD2650R or CXD2652AR

 

 

 

 

 

42

 

MNT3

I

Monitor 3 input from the CXD2650R or CXD2652AR

 

 

 

 

 

43

 

LED0

O

Drive output to the POWER ON/STANDBY display LED

 

 

 

 

 

44

 

—

—

Not used

 

 

 

 

 

45

 

—

—

Not used

 

 

 

 

 

46

 

BUS OUT

O

Not used

 

 

 

 

 

47

 

GND

—

Ground

 

 

 

 

 

48

 

+3.3V

—

+3.3V power supply

 

 

 

 

 

49

 

BEEP SW

I

Input from the BEEP sound output ON/OFF switch

 

 

 

 

 

50, 51

 

JOG 1, JOG 0

I

JOG dial pulse input from the rotary encoder

 

 

 

 

 

52

 

SDA

I/O

Data signal input/output pin with the backup memory

 

 

 

 

 

53

 

SCL

O

Clock signal output to the backup memory

 

 

 

 

 

54

 

—

—

 

 

 

 

 

 

55

 

—

—

 

 

 

 

 

 

56

 

—

—

Not used

 

 

 

 

 

57

 

—

—

 

 

 

 

 

 

58

 

—

—

 

 

 

 

 

 

59

 

AUBK

I

Not used

 

 

 

 

 

60

 

SA/SW

O

Audio bus/remote control switching signal output (Not used)

 

 

 

 

 

61

 

—

—

Not used

 

 

 

 

62

 

—

—

 

 

 

 

 

 

 

63

 

CLKSET0

I

Clock destination select pin (Fixed at “L”)

 

 

 

 

64

 

CLKSET1

I

 

 

 

 

 

 

 

65

 

GND

—

Ground

 

 

 

 

 

66

 

+3.3V

—

+3.3V power supply

 

 

 

 

 

67

 

SCLK

O

Clock signal output to the serial bus

 

 

 

 

 

68

 

SWDT

O

Writing data signal output to the serial bus

 

 

 

 

 

69

 

SRDT

I

Reading data signal input from the serial bus

 

 

 

 

 

70

 

—

—

Not used

 

 

 

 

 

71

 

FLCLK

O

Serial clock signal output to the display driver

 

 

 

 

 

72

 

FLDATA

O

Serial data signal output to the display driver

 

 

 

 

 

73

 

FLCS

O

Chip select signal output to the display driver

 

 

 

 

 

74

 

—

—

Not used

 

 

 

 

 

75

 

LDON

O

Laser ON/OFF control output “H”: Laser ON

 

 

 

 

 

76

 

PIT/GROOVE

I

Pit/groove detection input “H” is input for the playback only disc or TOC area (Not used)

 

 

 

 

 

77

 

FOK

I

FOK signal input from the CXD2650R or CXD2652AR

 

“H” is input when focus is on

 

 

 

 

 

 

 

 

 

78

 

MODEL

I

Fixed at “L”

 

 

 

 

 

79

 

LOCK

O

Not used

 

 

 

 

 

80

 

WRPWR

O

Laser power switching signal output to the optical pick-up and CXD2650R or CXD2652AR

 

 

 

 

 

— 61 —

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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.
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