Pin

Mark

I/O

Function

No.

 

Division

 

18

SPUIN

I

SPIN detection comparator

 

 

 

(U-phase) input terminal

19

SPVIN

I

SPIN detection comparator

 

 

 

(V-phase) input terminal

20

SPWIN

I

SPIN detection comparator

 

 

 

(W-phase) input terminal

21

SPCOM

I

SPIN motor coil neutral

 

 

 

point input terminal

22

RIB

I

Soft switching gain control

 

 

 

resistor terminal

23

CST

I

Startup oscillation

 

 

 

capacitor terminal

24

CSL1

I

Slope capacitor connection

 

 

 

terminal 1

25

CSL2

I

Slope capacitor connection

 

 

 

terminal 2

26

FG

O

FG output terminal

27

BRK+

I

Brake comparator (+) input

 

 

 

terminal

28

BRK-

I

Brake comparator (-) input

 

 

 

terminal

29

ASGND

—

Small signal block GND

 

 

 

(Bip.)

30

SGND

—

Small signal block GND

 

 

 

(MOS)

31

S1

I

Stepping decorder 1 input

 

 

 

terminal

32

S2

I

Stepping decorder 2 input

 

 

 

terminal

33

S3

I

Stepping decorder 3 input

 

 

 

terminal

34

BEMFU

O

Step detect comparator (U)

 

 

 

output terminal

35

BEMFV

O

Step detect comparator (V)

 

 

 

output terminal

36

BEMFW

O

Step detect comparator (W)

 

 

 

output terminal

37

SLCOM

I

Step motor coil center

 

 

 

input terminal

38

SLPG2

—

Stepping power unit’s GND

 

 

 

2

39

SLWOUT

O

Stepping motor (W) output

 

 

 

terminal

54

Page 53 Page 55
Page 54
Image 54
Panasonic SJ-MJ88 Spuin, Spvin, Spwin, Spcom, Rib, Cst, CSL1, CSL2, Brk+, Asgnd, Sgnd, Mos, Bemfu, Bemfv, Bemfw, Slcom
Page 53 Page 55

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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