Pin No.

Pin Name

I/O

Function

 

 

 

 

48

D1

I/O

 

 

 

 

 

49

D0

I/O

Data input/output for DRAM

 

 

 

 

50, 51

D2, D3

I/O

 

 

 

 

 

52

MVCI

I (S)

Clock input from an external VCO (Fixed at “L”)

 

 

 

 

53

ASYO

O

Playback EFM duplex signal output

 

 

 

 

54

ASYI

I (A)

Playback EFM comparator slice level input

 

 

 

 

55

AVDD

—

+3V power supply (Analog)

 

 

 

 

56

BIAS

I (A)

Playback EFM comparator bias current input

 

 

 

 

57

RFI

I (A)

Playback EFM RF signal input

 

 

 

 

58

AVSS

—

Ground (Analog)

 

 

 

 

59

PCO

O (3)

Phase comparison output for the recording/playback EFM master PLL

 

 

 

 

60

FILI

I (A)

Filter input for the recording/playback EFM master PLL

 

 

 

 

61

FILO

O (A)

Filter output for the recording/playback EFM master PLL

 

 

 

 

62

CLTV

I (A)

Internal VCO control voltage input for the recording/playback EFM master PLL

 

 

 

 

63

PEAK

I (A)

Light amount signal peak hold input from the CXA2523R

 

 

 

 

64

BOTM

I (A)

Light amount signal bottom hold input from the CXA2523R

 

 

 

 

65

ABCD

I (A)

Light amount signal input from the CXA2523R

 

 

 

 

66

FE

I (A)

Focus error signal input from the CXA2523R

 

 

 

 

67

AUX1

I (A)

Auxiliary A/D input

 

 

 

 

68

VC

I (A)

Middle point voltage (+1.5V) input from the CXA2523R

 

 

 

 

69

ADIO

O (A)

Monitor output of the A/D converter input signal (Not used)

 

 

 

 

70

AVDD

—

+3V power supply (Analog)

 

 

 

 

71

ADRT

I (A)

A/D converter operational range upper limit voltage input (Fixed at “H”)

 

 

 

 

72

ADRB

I (A)

A/D converter operational range lower limit voltage input (Fixed at “L”)

 

 

 

 

73

AVSS

—

Ground (Analog)

 

 

 

 

74

SE

I (A)

Sled error signal input from the CXA2523R

 

 

 

 

75

TE

I (A)

Tracking error signal input from the CXA2523R

 

 

 

 

76

DCHG

I (A)

Connected to +3V power supply

 

 

 

 

77

APC

I (A)

Error signal input for the laser digital APC (Fixed at “L”)

 

 

 

 

78

ADFG

I (S)

ADIP duplex FM signal input from the CXA2523R (22.05 ± 1 kHz)

 

 

 

 

79

F0CNT

O

Filter f0 control output to the CXA2523R

 

 

 

 

80

XLRF

O

Control latch output to the CXA2523R

 

 

 

 

81

CKRF

O

Control clock output to the CXA2523R

 

 

 

 

82

DTRF

O

Control data output to the CXA2523R

 

 

 

 

83

APCREF

O

Reference PWM output for the laser APC

 

 

 

 

84

TEST0

O

PWM output for the laser digital APC (Not used)

 

 

 

 

85

TRDR

O

Tracking servo drive PWM output (–)

 

 

 

 

• Abbreviation

EFM: Eight to Fourteen Modulation

PLL : Phase Locked Loop

VCO: Voltage Controlled Oscillator

49

Page 48 Page 50
Page 49
Image 49
Sony MDS-PC2 Mvci, Asyo, Asyi, Avdd, Bias, Rfi, Avss, Pco, Fili, Filo, Cltv, AUX1, Adio, Adrt, Adrb, Dchg, Xlrf, Ckrf
Page 48 Page 50

MDS-PC2 specifications

The Sony MDS-PC2 is a compact yet powerful digital MiniDisc recorder that was designed to bring studio-quality recording capabilities to the consumer level. Launched in the late 1990s, this device was particularly notable for its versatility and advanced audio technologies, making it a favorite among audiophiles and home studio enthusiasts alike.

One of the standout features of the MDS-PC2 is its ability to record and playback audio with exceptional clarity. It utilizes the MiniDisc format, which employs a magneto-optical technology that allows for higher-quality recordings compared to traditional cassette formats. The MDS-PC2 supports various audio bit rates, including standard Stereo at 292 kbps and long play modes, which double the recording time at the cost of some audio fidelity. This flexibility allows users to tailor their recording settings to their specific needs.

The MDS-PC2 features an intuitive interface, including an easy-to-read LCD display that shows vital information about the track, such as its name, length, and remaining recording time. The device is equipped with multiple input options, including optical and analog connections, facilitating seamless integration into any audio setup. The built-in digital signal processor (DSP) enhances the recording quality by minimizing background noise and distortion, providing a clean and crisp listening experience.

Another notable characteristic is the MDS-PC2's editing capabilities. Users can easily create custom playlists, erase tracks, and rearrange audio sequences with a few simple commands. The unit also supports fade-in and fade-out functionalities, allowing for smooth transitions between tracks. The flexibility in editing makes it a potent tool for podcasters, musicians, and anyone looking to produce high-quality audio content.

Portability is another key aspect of the Sony MDS-PC2. Its lightweight design and durable build make it easy to transport, catering to users who are frequently on the move. Battery operation options provide additional convenience for those who wish to use the recorder away from a power source.

In summary, the Sony MDS-PC2 combines innovative technology with user-friendly features, making it an excellent choice for anyone seeking an efficient and high-quality MiniDisc recorder. Its capability to produce superior audio recordings, coupled with its adaptability and portability, has solidified its place as an essential tool for audio recording and playback in various settings.
Top Page Image Contents