MZ-N1

SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM – SERVO/USB Section –

OVER WRITE HEAD DRIVE

IC601 (1/2)

OPTICAL PICK-UP BLOCK

(LCX-5R)

IY

 

 

 

 

IX

+

 

 

 

 

 

 

 

 

 

 

JX

+

 

 

 

JX

JY

JX

 

 

+

 

 

 

JY

 

 

 

 

 

 

 

IX

IY

IX

A

+

 

 

 

 

 

 

 

 

 

 

 

B

+

A

B C

D

 

 

 

 

 

 

 

 

 

+

 

 

 

C

 

 

 

 

 

 

 

 

+

 

 

 

D

 

 

 

 

 

 

 

 

+

 

 

 

MON

 

 

 

 

 

 

 

 

+

HR601

OVER

WRITE

HEAD

 

 

 

35

HB

OVER WRITE

 

 

 

 

 

 

 

HEAD DRIVE

 

 

 

HA

Q604, 605

 

 

33

 

 

 

 

 

M603

 

41

OUTA

 

 

OUTB

RF AMP, FOCUS/TRACKING ERROR AMP

OVER WRITE

M

38

 

HEAD

 

 

IC501

UP/DOWN

 

 

 

 

 

 

 

4VREF

25 VREF

8

IY

 

 

RF OUT

33

163

RFI

9

IX

 

 

PEAK

 

 

 

 

 

10

JX

 

PEAK

29

169

PEAK

11

JY

RF AMP,

/BOTM

BOTM

28

170

BOTM

A

FOCUS/

 

 

 

 

 

12

TRACKING

 

ABCD

 

 

 

B

 

41

171

ABCD

14

ERROR

 

FE

5

C

AMP

 

42

172

FE

 

 

6

D

 

 

TE

1

181

TE

A-C

 

 

 

13

TPP/WPP

 

ADIP IN

44

 

 

D-C

 

ADFG

21

202

ADFG

7

 

 

 

 

 

 

 

 

18

PD-NI

APC

 

PD-I

19

206 APCREF

 

 

 

 

 

 

 

OFTRK 26

 

 

 

 

VC

31

174

VC

 

 

 

 

 

 

108

VREF MON

EFM

PRE DRIVER

H-BRIDGE

PRE DRIVER

SYSTEM CONTROL (1/2)

SW

RECON

OE

RI

FI

1

2

3

5

6

142 141 140

145 143

MODE3

MODE2

MODE1

HD CON2

HD CON1

 

EFM

7

 

 

 

CLK

4

 

 

VRECIN2

37

VRECIN1

42

CHARGE

C1H

28

C1L

 

PUMP 1

27

 

 

 

CHARGE

C2H

31

C2L

 

PUMP 2

30

 

 

 

SYSTEM CONTROLLER,

DIGITAL SIGNAL PROCESSOR,

16M BIT D-RAM

IC801 (1/3)

 

 

CLK

D

(Page 32)

 

 

 

VRECO

 

 

 

 

B+

SIGNAL PATH

 

 

 

 

 

 

 

: PLAYBACK

 

 

 

 

: REC (ANALOG IN)

 

 

 

: REC (DIGITAL IN)

 

 

 

: USB CHECK OUT

 

 

230

 

 

 

 

EFMO

 

DIN1

A

(Page 31)

DIN1 190

 

 

ADDT 195

 

ADDT

B

(Page 31)

 

 

 

AOUTL

AOUTL,

 

 

AOUTL 155

AOUTR

C

(Page 31)

 

 

AOUTR 156

AOUTR

 

 

 

 

 

 

 

234 MNT3

 

 

 

 

UDP 134

 

 

5

D+

LD

LD-A

AUTOMATIC

20 PD-O

 

 

 

 

 

 

 

POWER

XRST

25

75 XRF RST

 

 

 

 

CONTROL

 

 

 

 

 

 

Q501

 

SERIAL

 

 

 

 

 

 

 

 

 

 

 

FOCUS/TRACKING

 

 

 

 

INTERFACE

 

 

 

 

 

 

 

 

 

 

COIL DRIVE,

 

 

 

 

 

 

 

 

 

 

 

 

SBUS

23

27 SSB DATA

 

SPINDLE/SLED

 

 

 

 

SCK

 

MOTOR DRIVE

 

 

 

 

24

28 SSB CLK

 

 

 

 

 

 

IC551

 

 

 

 

S-MON

 

 

 

 

S-MONITER

43

180 SE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRK+

30 FO2

TRACKING

FI2

28

 

 

 

 

TRK–

32 RO2

COIL DRIVE

RI2

27

UPUEN 135

 

UDM 133

4 D–

UOSCI 137

CN601 (1/2)

USB

X801

48MHz

CRADLE

UOSCO 138

CONNECTOR

 

208 TFDR

 

207 TRDR

 

S0

S1

2-AXIS

DEVICETRK+

(FOCUS)

(TRACKING)

TRK–

FCS+

FCS–

 

 

 

80 PD S0

 

 

 

 

 

 

 

 

 

 

 

81 PD S1

FCS+

13

FO1

 

 

FOCUS

FI1

15

 

 

 

 

FCS–

11

RO1

 

COIL DRIVE

RI1

16

TRK+

 

 

 

 

 

 

 

 

PWM2 44

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

UO2

 

 

 

UI2 43

TRK–

 

 

 

 

25

CPUI2

 

 

SLED

VI2 42

 

 

 

U

 

37

VO2

 

 

MOTOR

 

 

 

 

24

CPVI2

 

 

DRIVE

 

 

 

M602

 

 

 

 

 

WI2

 

FCS+

W

V

 

39

WO2

 

 

 

41

 

(SLED)

 

 

 

CPWI2

 

 

 

 

FCS–

 

 

 

 

23

 

 

 

 

 

 

 

 

 

26

COM2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLD MON U

 

45

CPUO2

 

 

PWM1 55

 

 

 

SLD MON V

 

46

CPVO2

SLED VOLTAGE

 

 

 

 

 

SLD MON W

 

CPWO2

 

MONITER

 

 

 

 

 

 

 

47

 

 

 

 

 

 

 

 

 

 

 

8

UO1

 

 

 

UI1 56

 

 

 

 

 

18

CPUI1

 

 

SPINDLE

VI1

 

 

 

 

 

 

6

VO1

 

 

1

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

19

CPVI1

 

 

DRIVE

 

 

 

 

 

 

 

WO1

 

 

 

WI1

 

 

 

 

U

 

4

 

 

 

2

 

M601

W

V

 

20

CPWI1

 

 

 

 

 

 

(SPINDLE)

 

 

 

17

COM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPINDLE

 

 

 

 

 

 

 

 

VOLTAGE MONITOR

OE 48

 

 

 

 

 

 

CPWO1

 

 

BIAS

 

 

 

 

 

 

 

CPVO1

CPUO1

 

 

 

 

 

 

 

 

52

53

54

 

 

 

 

 

 

 

 

CLV MON W

 

CLV MON V

CLV MON U

 

 

209

FFDR

 

 

210

FRDR

 

 

220

SFDR

 

 

84

SLD MON

 

 

219

SLDR

SLCU 225

SLD MON U

 

 

SLD MON V

 

 

SLCV 226

221

SLDV

SLD MON W

SLCW 227

 

 

 

222

SLDW

 

 

213

SPFD

 

 

76

SPDL MON

 

 

212

SPRD

 

 

 

 

SPCU 216

CLV MON U

 

 

 

214

SPDV

 

 

 

 

SPCV 217

CLV MON V

 

 

 

215

SPDW

 

 

 

 

SPCW 218

CLV MON W

 

 

 

74

XRST MTR DRV

 

 

30 30

Page 30
Image 30
Sony service manual MZ-N1 Section Diagrams, Block Diagram SERVO/USB Section

MZ-N1 specifications

The Sony MZ-N1, a revered model in the world of portable mini-disc players, holds a special place in the hearts of audiophiles and casual listeners alike. Launched as part of Sony's celebrated mini-disc lineup, it exemplifies the innovative spirit of its time with a sleek, compact design and a suite of features that appealed to music lovers.

At the heart of the MZ-N1 is its support for both standard and high-speed recording, allowing users to transfer their favorite tracks from CDs or other sources quickly and efficiently. The unit employs a unique mechanism known as the ATRAC codec, which optimizes audio compression while maintaining sound quality. This technology enables users to fit numerous tracks onto a single mini-disc, transforming how music was stored and played back.

One of its standout features is the inclusion of SonicStage software, which serves as a companion for managing music libraries. Users can edit playlists, transfer tracks, and organize their music collection seamlessly. The player supports various formats, including MP3, making it versatile in its playback capabilities. Additionally, the MZ-N1 is equipped with a backlit display, facilitating easy navigation even in low-light conditions.

Another notable characteristic of the MZ-N1 is its impressive battery life, offering hours of continuous playback on a single charge. This longevity made it an attractive option for users on the go, ensuring that their music would last through long commutes or road trips without interruption.

Furthermore, the MZ-N1 features a headphone amplifier that enhances sound quality, providing a richer audio experience. The player boasts a range of sound customizations, allowing users to adjust equalizer settings to suit their preferred listening style.

In terms of design, the MZ-N1 is compact, lightweight, and sturdy, making it highly portable. The simple, intuitive interface ensures that users can navigate through functions with ease, enhancing the overall listening experience.

Overall, the Sony MZ-N1 stands as a remarkable blend of technology and user-friendly design, showcasing the innovation of the early 2000s portable audio solutions. Its combination of sound quality, flexibility, and battery efficiency has solidified its status as a classic in the realm of mini-disc players. While modern digital music players have largely eclipsed this technology, the legacy of the MZ-N1 endures in the memories of those who experienced its audio marvels.