Sony MDS-JD320 Daout, Chuck, Pack OUT, Timer SW, Source SW Avss, Power Down, Remocon, Test

Page 44

• IC316 System Control (RU8X11AMF-0109/RU8X11AMF-0115)

Pin No.

 

 

Pin Name

I/O

Function

 

 

 

 

 

 

1

 

 

DAOUT 0

O

Test pin. C1 is output when test mode (Not used)

 

 

 

 

 

 

2

 

 

DAOUT 1

O

Test pin. ADER is output when test mode (Not used)

 

 

 

 

 

 

3 to 5

 

KEY 0 to KEY 2

I

Key input pin (D/A input)

 

 

 

 

 

 

 

 

6

 

 

CHUCK IN

I

Detection input from the chucking-in switch

“L”: Chucking

 

 

 

 

 

 

7

 

 

PACK IN

I

Detection input from the disc detection switch

 

 

 

 

 

 

8

 

 

PACK OUT

I

Detection input from the loading out switch. Loaded out position: “L”, Others: “H”

 

 

 

 

 

 

 

9

 

 

TIMER SW

I

Key input pin (D/A input)

 

 

 

 

 

 

 

 

10

 

 

SOURCE SW

I

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

(AVSS)

—

Ground (Analog)

 

 

 

 

 

 

 

12

 

 

XINT

I

Interrupt status input from the CXD2650R or CXD2652AR

 

 

 

 

 

 

 

13

 

 

POWER DOWN

I

POWER DOWN signal input “L”: Down

 

 

 

 

 

 

 

 

14

 

 

REMOCON

I

Remote control signal interrupt input

 

 

 

 

 

 

 

 

15

 

 

SQSY

I

ATP address sync or subcode Q sync (SCOR) input from the CXD2650R or

 

 

CXD2652AR “L” is input every 13.3 msec

Almost all, “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

 

DQSY

I

Digital-In U-bit CD format subcode Q sync (SCOR) input from the CXD2650R or

 

 

CXD2652AR “L” is input every 13.3 msec

Almost all, “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

—

—

Not used

 

 

 

 

 

 

 

 

18

 

 

—

—

Not used

 

 

 

 

 

 

 

 

19

 

 

—

—

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

SYSTEM-RST

I

System reset signal input

 

 

 

For several hundreds msec after the power supply rises, “L” is input, then it changes to“H”

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

(TEST)

I

Test pin (Fixed at “L”)

 

 

 

 

 

 

 

 

22

 

 

+3.3V

—

+3.3V power supply

 

 

 

 

 

 

 

 

23

 

 

VBAT

—

Power supply pin to RTC (clock) and RAM

 

 

 

 

 

 

 

 

24

 

 

XOUT-T

O

Clock output (32.768 kHz) (For clock)

 

 

 

 

 

 

 

 

25

 

 

XIN-T

I

Clock input (32.768 kHz) (For clock)

 

 

 

 

 

 

 

 

26

 

 

GND

—

Ground

 

 

 

 

 

 

 

 

27

 

 

XOUT

O

Main clock output (12 MHz)

 

 

 

 

 

 

 

 

28

 

 

XIN

I

Main clock input (12 MHz)

 

 

 

 

 

 

 

 

29

 

 

GND

—

Ground

 

 

 

 

 

 

 

 

30

 

 

(S1)

—

Not used

 

 

 

 

 

 

 

 

31

 

 

—

—

 

 

 

 

 

 

 

 

 

 

 

32

 

 

SENS

I

Internal status (SENSE) input from the CXD2650R or CXD2652AR

 

 

 

 

 

 

33

 

 

SHOCK

I

Track jump signal input from the CXD2650R or CXD2652AR

 

 

 

 

 

 

 

34

 

 

 

 

I

BEEP sound output switching signal input (Not used)

 

REC/OTHER

 

 

 

 

 

 

 

35

 

 

—

I

Not used

 

 

 

 

 

 

 

36

 

 

STB

O

Strobe signal output to the power supply circuit Power supply ON: “H”, stand by: “L”

 

 

 

 

 

 

37

 

 

REC P

I

Detection signal input from the recording position detection switch

 

 

 

 

 

 

38

 

 

PLAY P

I

Detection signal input from the playback position detection switch

 

 

 

 

 

 

 

39

 

 

LOAD V

O

Loading motor voltage control output

 

 

 

 

 

 

 

 

40

 

 

—

O

Not used

 

 

 

 

 

 

 

 

 

— 60 —

Page 43 Page 45
Image 44
Page 43 Page 45
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 ControlsBracket T, L and R Section DisassemblyCase and Front Panel Assembly 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 MIDMeanings of Other Displays Test Mode DisplaysFunctions of Other Buttons Section Electrical Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Precautions for AdjustmentsSpecified Value Temperature Compensation Offset AdjutmentLaser Power Adjustment 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 RECWaveform For schematic diagramsFor printed wiring boards Semiconductor Printed Wiring Board BD SectionLocation 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 Eject SW Board Printed Wiring Board Display SectionDisplay Board Schematic Diagram Display Section Printed Wiring Board Switch Section Schematic Diagram Switch Section BD section IC101 CXA2523R IC Block DiagramsIC121 CXD2650R 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 208257 258 260 271 252253 254 259 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.
Top Page Image Contents