Pin

Mark

I/O

Function

No.

 

Division

 

51

BATT

Battery check LED drive

 

CHK

 

output terminal (Not used,

 

LED

 

open)

52

JITTER

Process inspection output

 

OK

 

terminal (Not used, open)

53

REG2

I

Model switching input

 

 

 

terminal (L:MJ88, H:MJ80)

54

REG3

I

Recharge switching input

 

 

 

terminal

55,

Not used, open

56

 

 

 

57

EEP CS

O

EEP ROM chip select

 

 

 

output terminal

58

EEP CK

O

EEP ROM clock output

 

 

 

terminal

59

EEP

O

EEP RAM DATA output

 

DATA O

 

terminal

60

EEP

I

EEP ROM DATA input

 

DATA I

 

terminal

61~64

Not used, open

65

MUTE A

O

Analog mute A output

 

 

 

terminal

66

MUTE B

O

Analog mute B output

 

 

 

terminal

67

NRF

O

RF AMP standby output

 

STBY

 

terminal

68

DRAM

I

DRAM check input terminal

 

CHK

 

 

69,

Not used, open

70

 

 

 

71

MONI

O

RF monitor control output

 

OFF

 

terminal (H:OFF, L:ON)

72

BPF

O

RF band pass filter control

 

 

 

output terminal (L:WIDE)

73

RF

O

RF power supply control

 

CONT

 

output terminal

74

MUTE

Mute mode switching input

 

MODE

 

terminal (Connected to

 

 

 

GND)

75

POWER

O

Power supply control

 

CNT

 

output terminal

76

ELON

I

EL display control input

 

 

 

terminal (L:ON)

51

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Image 51
Panasonic SJ-MJ88 Chk, Led, Jitter, REG2, REG3, Eep Cs, Eep Ck, Data O, Mute a, Mute B, Nrf, Stby, Cont, Mode, Power, Cnt

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.