Pin

Mark

I/O

Function

No.

 

Division

 

22

SSDR

I

Read data input terminal

 

 

 

for CPU interface

23

SSCLK

O

Clock output terminal for

 

 

 

CPU interface

24

BUZZER

O

Confirmation tone output

 

 

 

terminal

25

RST

I

Reset signal input terminal

26

CFSYNC

I

Synchronize signal input

 

 

 

terminal for CPU interface

27

SELAD

O

Address select output

 

 

 

terminal for CPU interface

28

—

—

Not used, open

29

MDISY

I

Reader synchronize signal

 

 

 

input terminal

30

LD PWM

O

Laser power controlling

 

 

 

PWM output terminal

31

DCIN

I

Charger wakeup detection

 

WAKEUP

 

signal input terminal

32

NRQ

I

Microprocessor service

 

 

 

request input terminal

33

MDASCSY

I

MDA service selector

 

 

 

signal input terminal

34

OPEN

I

Lid open detection input

 

SW

 

terminal (H:Open)

35

SCTSY

I

ADIP synchronize signal

 

 

 

input terminal

36~42

—

—

Not used, open

43

CHARGE1

O

Recharging control output

 

 

 

terminal

44~46

—

—

Not used, open

47

HOLD

I

HOLD SW input terminal (L:

 

 

 

HOLD)

48

PLAY

I

PLAY PAUSE KEY input/

 

KEY

 

wake up input terminal

49

REM

I

REM KEY input/micro

 

KEY

 

computer wake up input

 

WAKEUP

 

terminal

50

DOCTOR

I

Process inspection mode

 

 

 

input terminal (L:Process

 

 

 

inspection) (pulled up to V

 

 

 

DD via resistor)

50

Page 49 Page 51
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Image 50
Panasonic SJ-MJ88 manual Ssclk, Buzzer, Rst, Cfsync, Mdisy, Ld Pwm, Dcin, Wakeup, Open, Sctsy, CHARGE1, Play, Doctor
Page 49 Page 51

SJ-MJ88 specifications

The Panasonic SJ-MJ88 is a portable mini disc player renowned for its compact design and impressive audio quality. Launched in the late 1990s, this device epitomized the transition in portable music technology from cassette tapes and CD players to the digital format of MiniDiscs. The SJ-MJ88 supports various audio formats, making it a versatile choice for music enthusiasts.

One of the standout features of the SJ-MJ88 is its ability to provide near-CD quality sound through the MiniDisc format. This was made possible by its ATRAC (Adaptive Transform Acoustic Coding) compression technology, which retains a significant amount of audio fidelity even though the files are compressed. Users appreciated the ability to record and create customized playlists, allowing for an engaging listening experience.

The SJ-MJ88 is compact and lightweight, designed for portability. It features a sleek, ergonomic body that fits easily into bags and pockets, making it an excellent companion for on-the-go music lovers. Despite its small size, the device was equipped with a robust rechargeable battery that offered long hours of playback time, a crucial factor when traveling.

Another compelling characteristic of the SJ-MJ88 is its user-friendly interface. The device is designed with intuitive buttons and a clear display, allowing users to navigate through tracks effortlessly. The inclusion of features like digital pitch control and a programmable memory further enhanced user interaction, providing customization options for the listening experience.

Additionally, the SJ-MJ88 included a solid set of digital editing tools, enabling users to edit their music on the track level, making it easy to rearrange songs or create unique mixes. This flexibility set it apart from its contemporaries and made it appealing to DJs and music producers.

Overall, the Panasonic SJ-MJ88 remains a memorable device within the history of personal audio technology, combining portability, quality sound, and user-friendly features into a compact mini disc player. Its legacy continues to be appreciated by loyal fans and collectors looking for a bridge between analog and digital music experiences, illustrating the innovation that Panasonic brought to the audio market during its time.
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