• IC501 System Control (M30620MC-406FP) (MAIN board)

Pin No.

Pin Name

I/O

Function

 

 

 

 

1, 2

NC

O

Not used (Fixed at “L”)

 

 

 

 

3

C1ER

O

C1 error rate voltage output (Fixed at “L”) (Not used)

4

ADER

O

AD error rate voltage output (Fixed at “L”) (Not used)

 

 

 

 

5

SQSY

I

ADIP sync or subcode Q sync input from CXD2654R

 

 

 

 

6

RMC

I

Remote controls

 

 

 

 

7

A1 IN

I

A1 Control input (Fixed at “L”)

 

 

 

 

8

BYTE

I

Data bus changed input (Fixed at “L”)

 

 

 

 

9

CNVSS

—

Ground

 

 

 

 

10

XIN-T

O

Not used (Fixed at “L”)

 

 

 

 

11

XOUT-T

O

Not used (Fixed at “L”)

 

 

 

 

12

S.RST

I

System rest input

 

 

 

 

13

XOUT

O

Main clock output (7.0MHz)

14

GND

—

Ground

 

 

 

 

15

XIN

I

Main clock input (7.0MHz)

16

+3.3V

—

+3.3V power supply

17

NMI

I

(Fixed at “H”)

 

 

 

 

18

DQSY

I

Digital in sync input

 

 

 

 

19

P.DOWN

I

Power down detection input “L”: Power down

 

 

 

 

20

KEYBOARD CLK

O

Not used

 

 

 

 

21

KEYBOARD DATA

O

Not used

 

 

 

 

22

BEEP OUT

—

Not used

 

 

 

 

23

XINIT

I

Interrupt status input from CXD2654R

 

 

 

 

24 to 27

NC

O

Not used

 

 

 

 

28

L3 CLOCK

O

Serial clock signal output to IC301

 

 

 

 

29

NC

O

Not used

30

LC DATA

O

Serial data signal input to IC301

 

 

 

 

31

SWDT

O

Writing data signal output to the serial bus

32

SRDT

I

Reading data signal input from the serial bus

33

SCLK

O

Clock signal output to the serial bus

34

FLCS

O

Chip select signal output to the display driver

35

FLDATA

O

Serial data signal output to the display driver

36

NC

O

Not used (Fixed at “L”)

37

FLCLK

O

Serial clock signal output to the display driver

38 to 41

NC

O

Not used

 

 

 

 

42, 43

JOG1, JOG0

I

Not used

44

NC

O

Not used

 

 

 

 

45

A1 OUT

O

A1 output

46

NC

O

Not used

47

L3 MODE

O

Serial mode signal output to IC301

 

 

 

 

48

DA.RST

O

Not used Reset: “L”

49

MUTE

O

DA line out muting output Mute: “L”

 

 

 

 

50

STB

O

Strobe signal output to the power supply circuit Power supply ON: “H”, stand by: “L”

 

 

 

 

51

CHACK IN

I

Detection input from the chucking-in switch “L”: Chucking

 

 

 

 

52

NC

I

Not used (Fixed at “L”)

 

 

 

 

53

PACK-OUT

I

Detection input from the loading out switch. Loaded out position: “L”, Others: “H”

 

 

 

 

54

LDIN

I

Loading motor control input

 

 

 

 

55

LDOUT

O

Loading motor control output

 

 

 

 

56

LD-LOW

O

Loading motor voltage control output Low voltage: “H”

 

 

 

 

57, 58

NC

O

Not used (Fixed at “L”)

 

 

 

 

59

REC-P

I

Detection signal input from the recording position detection switch

 

 

 

 

51

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Image 51
Sony MDS-PC2 service manual IC501 System Control M30620MC-406FP Main board
Page 50 Page 52

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.
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