Sony MZ-S1 DRAMVSS0, DVSS0, DVDD0, SSB Data, Ssb Clk, Vrec PWM, Vl Pwm, Vc Pwm, Nc Vd Pwm, IFVDD0

Page 49

MZ-S1

•IC801 CXD2677-202GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

1

NC

O

Load address strobe signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

2

NC

I

Test input terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

 

 

3 to 7

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

 

8, 9

NC

I/O

Two-way data bus terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

 

10, 11

DRAMVDD0, 1

—

Power supply terminal (for D-RAM) (+2.4V)

 

 

 

12, 13

DRAMVSS0, 1

—

Ground terminal (for D-RAM)

 

 

 

 

 

14, 15

NC

I/O

Two-way data bus terminal for D-RAM

Not used

 

 

16 to 19

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

20

NC

O

Column address strobe signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

21

NC

I

Test input terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

 

 

22, 23

NC

O

Address signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

 

 

 

24

DVSS0

—

Ground terminal (for the DSP block)

 

 

 

 

25

DVDD0

—

Power supply terminal (for the DSP block) (+1.5V)

 

 

26

OFTRK

I

Off track signal input from the DSP monitor (3)

 

 

 

 

 

 

 

 

 

27

SSB DATA

I/O

SSB data input/output with the RF amplifier

 

 

 

 

 

 

 

 

 

 

 

28

SSB CLK

O

SSB clock output to the RF amplifier

 

 

 

 

 

 

 

 

29

VREC PWM

O

PWM signal output for the Over write head drive power supply voltage control to the power

control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

VL PWM

O

PWM signal output for the laser power supply voltage control to the power control

31

VC PWM

O

PWM signal output for the system power supply voltage control to the power control

32

NC (VD PWM)

O

VD power supply voltage control signal output terminal

Not used

 

 

 

 

 

 

 

 

 

33

NC

—

Not used

 

 

 

 

 

 

 

 

 

34

IFVDD0

—

Power supply terminal (for the microcomputer I/F block) (+2.3V)

 

 

 

 

 

 

35

IFVSS0

—

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

 

 

 

36

OPT DET

I

DIN plug detection signal input terminal

“H”: DIN plug

 

37

XJACK DET

I

LINE IN plug detection signal input terminal

“L”: LINE or OPT plug

38

XMIC DET

I

Microphone plug detection signal input terminal “L”: microphone plug Not used

39

OPEN CLOSE

I

Open/close detection switch of the upper panel input terminal

SW

“L”: when upper panel close

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

SET CODE0

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

 

 

 

 

41

SET CODE1

I

Input terminal for the set (fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

42

SET CODE2

I

Input terminal for the set (open in this set)

 

 

 

 

43

SET CODE3

I

Input terminal for the set (fixed at “L” in this set)

 

 

44

XPATCH

I

Patch function detection signal input terminal

“L”: patch function Not used

45

SI0

I

Serial data input from the nonvolatile memory

 

 

 

 

 

 

46

SO0

O

Serial data output to the nonvolatile memory, A/D converter and liquid crystal display element

module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

SCK0

O

Serial clock signal output to the nonvolatile memory, A/D converter and liquid crystal display

element module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

XGUM ON

I

Rechargeable battery detection switch input terminal

“L”: there is rechargeable battery

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

49

BEEP

O

Beep sound control signal output to the headphone amplifier

50, 51

TEST1, TEST0

I

Input terminal for the main test (normally fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

52

KDO

O

Data output terminal Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

53

KRB

I

Ready/busy signal input terminal

Not used

 

 

 

 

 

 

 

 

 

 

 

54

KCLK

O

Clock signal output terminal Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

49

Page 48 Page 50
Image 49
Page 48 Page 50
Contents MZ-S1 SpecificationsInputs MZ-S1Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingOptical PICK-UP Flexible Board MZ-S1 Section Servicing NotesSystem requirements Looking at the controls MZ-S1 Section GeneralDisassembly Flow MZ-S1 Section DisassemblyCase Lower Section Buckle Upper ASSY, Battery Case LID Mechanism Deck MT-MZN707-177 Case Upper SectionMain Board SET Chassis AssyGear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyOrnament R, Switch Unit V1.100 MZ-S1 Section Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Manual000 0FEJCC 000 C68SCC000 063BCC 000 025ACCDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset The Error Display Code Description of Indication History000 P**R Sound Skip Check Result Display Mode004 004 FFMZ-S1 Section Electrical Adjustments Reset021 ###SCC ResOK?741 AD 336 ###S771 AD 772 AD778 AD 777 AD779 AD 865 ###S872 ###S 871 ###S873 ###S 874 ###S765 AD 764 AD766 AD 767 ADLaser Laser Power Check011 ###S 012 ###SMain Board Component Side IC501Assy11 AssyOfst OfstOK000 *** NG CD and MO Overall Adjustment ItemsCD OK MO OK043 ###S00 Resume Clear Setting Method043 Res ResClrServicing Notes PreparationPre-Check Rewriting the Patch DataMZ-S1 Block Diagram SERVO/USB Section MZ-S1 Section DiagramsBlock Diagram Audio Section Switch & LCD Mudule Block Diagram DISPLAY/KEY CONTROL/POWER Supply SectionLead Layouts Main Board Semiconductor LocationIC801 Components identified by mark 0or dotted F2MW 38 B5 Schematic Diagram Main Board 3/4 See page 42 for WaveformsTckd 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057ADBT IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataKDI KCSTrst VG CTLVbus DET LCD RSTWK DET REC KEYVsiosc OscoDavdd VreflDVDD3 DVSS3IFVDD3 IFVSS3Flashvdd EVAFlashvss Chassis section Case lower section Section Exploded ViewsMT-MZN707-177 Main board section Chassis Section101 106 105 104 102 103 107 Main Board Section170 Case Lower171 213 204 205 206 207 212 208 203 202 209 210 201 211 302 308 306 303307 304 305 309 310 301311 354 358 357 356 355352 351 359 361 360 363MZ-S1 Main Section Electrical Parts ListCAP-CHIP XPC18A22AFCR2 Switch OPEN/CLOSE Detect Line Filter Memo Revision History

MZ-S1 specifications

The Sony MZ-S1 is a portable MiniDisc recorder that reflects Sony's commitment to innovation in the realm of digital audio technology. Launched in the early 2000s, this model stood out for its sophisticated design and advanced features, catering to audiophiles and casual listeners alike. The MZ-S1 was particularly popular for its ability to record audio in a compact format, making it an attractive option for those who desired high-quality sound in a portable package.

One of the defining characteristics of the MZ-S1 is its use of MiniDisc technology, which allowed users to record and store audio with impressive sound quality. It leveraged Sony’s ATRAC (Adaptive Transform Acoustic Coding) compression, ensuring that recordings maintained clarity while efficiently utilizing disk space. The MZ-S1 supported various recording modes, including SP (Standard Play) and LP (Long Play), providing flexibility in terms of sound quality and recording duration. This capability made the MZ-S1 an ideal choice for musicians looking to record rehearsals, as well as for consumers wanting to create custom playlists.

The MZ-S1 features a sleek, compact design that embodies the portability and aesthetics of early 2000s electronics. Its user-friendly interface is complemented by an LCD display that provides essential information such as track numbers, remaining recording time, and battery life. Additionally, the MZ-S1 was equipped with various connectivity options, including a line-in for direct recording from external sources and a headphone jack with volume control for private listening.

Powering the device was a rechargeable battery, which allowed for extended use without the need for constant replacements. The MZ-S1 also featured a durable construction, appealing to users who needed a reliable audio recorder for travel or outdoor use. This model proved particularly popular among students, journalists, and music enthusiasts, as its compact size and high-quality output made it an indispensable tool for capturing audio on the go.

Moreover, the MZ-S1 allowed users to edit tracks directly on the device, facilitating seamless transitions between recordings. With its blend of innovative features, robust technology, and portable design, the Sony MZ-S1 remains a noteworthy piece of audio equipment, encapsulating an era of digital audio evolution that paved the way for modern music consumption.
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