• IC307 A/D, D/A converter (CXD8607N)

Pin No.

Pin Name

I/O

 

Function

 

 

 

 

 

1

INRP

I

Rch analog (+) input

 

 

 

 

 

 

2

INRM

I

Rch analog (–) input

 

 

 

 

 

3

REFI

I

A/D reference voltage input (+3.2V)

 

 

 

 

4

AVDD

+5V power supply (A/D, analog)

 

 

 

 

 

5

AVss

Ground (A/D, analog)

 

 

 

 

 

 

6

APD

I

A/D analog block power down

“L”: Power down

 

 

 

 

 

7

NU

Not used

 

 

 

 

 

8

NU

 

 

 

 

 

 

 

 

9

TEST1

I

Test pin (Fixed at “L”)

 

 

 

 

 

 

10

LRCK1

I

A/D LRCK input

 

 

 

 

 

 

11

BCK1

I

A/D BCK input

 

 

 

 

 

 

12

ADDT

O

A/D data output

 

 

 

 

 

 

13

V35A

+3.3V power supply

 

 

 

 

 

 

14

VSS1 (LF)

Ground (A/D, digital)

 

 

 

 

 

 

15

MCKI

I

A/D master clock input (256 fs)

 

 

 

 

 

 

16

DPD

I

A/D digital block power down

“L”: Power down/reset

 

 

 

 

 

17

VSS2 (LF)

Ground (D/A, digital)

 

 

 

 

 

 

18

INIT

I

D/A initialize “L”: Initialize

 

 

 

 

 

 

19

MODE

I

Mode flag input

 

 

 

 

 

 

20

SHIFT

I

Shift clock input

 

 

 

 

 

 

21

LATCH

I

Latch clock input

 

 

 

 

 

 

22

256CK

O

256 fs clock output

 

 

 

 

 

 

23

V35D

+3.3V power supply

 

 

 

 

 

 

24

VSS2

Ground (D/A, digital)

 

 

 

 

 

 

25

512CK

O

512 fs clock output

 

 

 

 

 

 

26

BCK2

I

D/A BCK input

 

 

 

 

 

 

27

DADT

I

D/A data input

 

 

 

 

 

 

28

LRCK2

I

D/A LRCK input

 

 

 

 

 

 

29

VDD2

+5V power supply (D/A, digital)

 

 

 

 

 

 

30

R1

O

Rch PLM output 1

 

 

 

 

 

31

AVDDR

+5V power supply (D/A, Rch, analog)

 

 

 

 

 

32

R2

O

Rch PLM output 2

 

 

 

 

 

 

33

AVSSR

Ground (D/A, Rch, analog)

 

 

 

 

 

 

34

XVDD

+5V power supply (X’tal)

 

 

 

 

 

35

XOUT

O

X’tal oscillation output (22 MHz)

 

 

 

 

36

XIN

I

X’tal oscillation input (512 fs ) (22 MHz)

 

 

 

 

 

37

XVSS

Ground (X’tal)

 

 

 

 

 

 

38

AVSSL

Ground (D/A, Lch, analog)

 

 

 

 

 

 

39

L2

O

Lch PLM output 2

 

 

 

 

 

40

AVDDL

+5V power supply (D/A, Lch, analog)

 

 

 

 

 

— 58 —

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Sony MDS-JD320 service manual IC307 A/D, D/A converter CXD8607N Pin No Pin Name Function

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.