MZ-NF810/NF810CK

SECTION 6

DIAGRAMS

6-1. Block Diagram

 

SYSTEM CONTROLLER

RF AMP

DIGITAL SIGNAL PRCESSOR

IC501

IC801(1/2)

OPTICAL PICK-UP

 

 

DVCC

29

REGO1

AOUT L

4

BLOCK

 

 

AVCC

53

 

AOUT R

5

VREF

 

 

AVCC2

11

 

7

VREF10

 

 

 

ly

 

 

 

 

 

56

ly

RFO

9

10 RFI

BEEP

104

lx

1

lx

RFI

40

 

XHP STBY

106

jy

 

 

 

 

 

 

 

 

 

HP AMP

 

 

 

IC361

 

 

 

 

VREF IN

13

VREF

22

L IN

Q361

+B

1

VB

 

 

21

R IN

VCC

20

REGO1

 

 

L OUT

2

 

15

BEEP

OUTA

24

 

18

STB

R OUT

4

 

R GND

J303

SYSTEM CONTROLLER

 

 

 

 

 

 

DIGITAL SIGNAL PRCESSOR

 

 

POWER AMP

 

 

IC801(2/2)

REGO1

 

IC901

 

 

 

 

 

 

 

 

IFVDD0 264

 

43

REGO1

DATA

58

SDO0

IFVDD1 266

VCO1

L903

 

SCK

60

SCK0

IFVDD2 268

 

 

CLK

63

4FS

 

11

VCO1

IFVDD3 270

 

 

 

 

 

 

IFVDD4 272

Q901

48

VREF

XWAKE4

2

HALF LOCK

 

 

19

DTC1

XWAKE3

3

RMC KEY

jx

 

55

jy

48

15

MUTE 199

 

54

PEAK

PEAK

 

A

 

jx

 

16

BOTM

 

 

50

BOTM 47

 

B

 

A

41

17

RADIO ON 173

 

51

ABCD

ABCD

 

C

 

B

42

18

RMC KEY 169

 

52

FE

FE

174

D

 

C

43

23

RMC DTCK

 

49

TE

TE

 

 

 

D

23

28

ADFG

 

 

 

16

ADFG

 

 

 

A-C

13

29

APC REF

 

 

 

15

PD-I

 

MON

 

D-C

8

19

VC

 

 

12

VC

 

GND

 

PDNI

 

22

SE

 

 

 

SMON 18

 

 

 

 

SBUS

33

156

XOPT CTL

105

 

 

 

SSB DATA

49

 

 

 

SCK

32

157

D IN

 

 

 

SSB CLK

 

LDA

APC

14

RESET

35

130

XRF RST

 

 

Q501

PDO

 

 

XJACK DET

91

 

 

CLK

26

FS256

 

 

 

 

 

17 MUTE OUTB 23

F1

VCO1

F3O1

RMC KEY

REGO1 REG

Q301

RADIO ON

KEY-R

DTCK

VB

RVDD

(HP OUT)

J302

LINE IN

DAVDD 278

 

29

DTC2 XWAKE2

4

REC KEY

AVD1 280

 

 

 

XWAKE1

5

 

AVD2 282

VCO2

37

 

VCOUT

 

 

TSLVDD 285

 

44

REGI1

 

 

MVDD 293

 

40

REGI3

 

 

USB OSC VDD 294

 

10

VC1

 

 

FVDD0 299

 

9

VSTB

 

 

DRAMVDD1 286

 

12

VO1

 

 

DRAMVDD2 288

 

D903

 

 

 

DRAMVDD3 303

 

13

L1

 

 

DRAMVDD4 304

 

14

L1

 

 

TSMVDD 284

 

L904

 

 

 

 

7

LVB

 

 

AVDD 274

 

 

 

UNREG

26

VB

 

 

 

 

 

LDK

(OPTICAL)

 

VCC

VCO2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT DET

90

 

PDS0

 

 

 

 

 

 

 

 

 

 

 

 

 

114 PDS0

 

 

 

PDS1

 

 

 

 

 

 

 

 

 

 

 

 

 

115 PDS1

 

 

 

 

 

 

 

 

 

SI0

100

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR/COIL DRIVE

 

 

 

SO0

101

 

 

 

 

IC701

 

 

 

SCK0

102

 

TRK+

 

 

 

 

 

 

 

 

 

30

FO2

FI2

28

31

TFDR

 

 

TRACKING

 

 

ADDT

51

 

 

 

 

RI2

27

30

TRDR

COIL

TRK-

 

 

 

XBCK

53

 

 

32

RO2

 

 

 

 

 

 

 

FI1

15

32

FFDR

FS256

54

 

 

 

 

 

 

FCS+

 

13

FO1

RI1

16

33

FRDR

XRCK

52

FOCUS

 

 

 

 

 

 

XCS ADC

94

 

 

 

 

PWM2 44

35

SFDR

COIL

FCS-

 

 

 

XPD ADC

95

 

 

11

RO1

 

 

121 SLD MON

 

 

 

 

 

 

 

MINI DISC

 

 

 

UI2

43

48

SRDR

 

 

 

 

 

VI2

42

43

SLD V

XMIC DET

92

MECHANISM BLOCK

 

 

 

WI2

41

44

SLD W

 

 

 

SLED N

26

COM2

CPUO2

45

45

SLC U

 

 

 

SLED U

 

 

 

35

UO2

CPVO2

46

46

SLC V

 

 

 

 

 

 

 

M602

SLED V

25

CPUI2

CPWO2

47

47

SLC W

 

 

37

VO2

 

 

 

 

 

 

(SLED)

 

 

 

 

 

 

 

 

PWM1 55

37

SPFD

XCS NV

144

 

 

 

24

CPVI2

 

SLED W

 

 

137 SPDL MON

 

 

 

39

WO2

 

 

 

 

 

 

 

UI1

56

36

SPRD

 

 

 

 

 

23

CPWI2

 

 

 

 

 

VI1

1

38

SPD V

 

 

 

CLV N

 

 

 

 

 

 

 

17

COM1

WI1

2

39

SPD W

 

 

 

CLV U

 

 

 

 

 

8

UO1

 

 

 

 

 

 

 

 

 

CPUO1

54

40

SPC U

 

 

M601

 

 

18

CPUI1

LCD STB

142

CLV V

 

CPVO1

53

41

SPC V

 

 

VO1

 

 

(SPINDLE)

 

6

XCS LCD

141

 

 

CPWO1 52

42

SPC W

 

 

 

19

CPVI1

 

 

 

CLV W

 

 

 

 

 

 

 

 

 

4

WO1

DE 48

143 XRST MTR DRV LCD RST

97

 

 

 

 

 

 

20

CPWI1

VC

50

REGO1

 

 

 

 

HD DRV+

 

 

 

 

 

M603

 

 

VG

51

VGH

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

 

 

 

 

 

(OVER WRITE

 

 

 

VMF1

14

UNREG

 

WK DET 166

HEAD UP/DOWN)

HD DRV-

 

 

 

 

 

 

 

 

VMF2

29

 

 

PAUSE KEY

88

 

 

 

 

 

VMR1 10

 

 

SET KEY1

162

 

 

 

 

 

VMR2 33

 

 

SET KEY2

163

 

 

 

 

 

VMU1

9

 

 

REC KEY

171

• Signal Path

 

 

 

 

VMU2 34

 

 

XHOLD SW

132

 

 

 

 

 

VMVW1

5

 

 

 

 

: PLAYBACK

 

 

 

VMVW2 38

 

 

 

 

: DIGITAL IN

 

 

 

 

 

 

 

USB IF VDD

292

:ANALOG IN

: RECORD

: USB

1

OSCI

 

X801

 

 

22.5792MHz

HIDC MON

165

2

OSCO

136

 

XDC IN

A/D CONV & MIC AMP

IC301

11

CDTI

L IN

28

 

 

12

CCLK

R IN

1

 

 

7

SDTO

PRE L

18

 

 

8

BCLK

PRE R

19

 

 

9

MCLK

 

 

 

 

 

 

10

LRCK

DVDD

6

REGO1

 

13

CSN

AVDD

3

 

 

14

PDN

MVDD 23

VCO1

 

FS256

 

 

 

 

 

 

EEPROM

 

 

 

 

IC851

 

 

 

2

SO

 

 

 

 

5

SI

 

 

 

 

126

SCK

 

 

 

 

1

XCS

 

 

 

 

 

 

 

 

REGO1

DVDD

 

 

 

 

SIO

 

 

 

 

 

 

 

 

 

 

SDO

 

 

 

 

 

SCK

 

 

 

 

 

STB

 

 

 

 

 

XCS

 

 

 

 

 

RST

 

 

 

 

 

TO

 

REGO1

RESET

SWITCH

 

&

 

UNREG

Q871

 

 

 

LCD MODULE

 

 

 

 

 

 

 

 

 

 

XWK1

 

 

 

 

 

PHASE

 

 

 

 

 

SET KEY1

 

 

 

 

 

SET KEY2

 

 

 

 

 

REC

 

 

 

 

 

XHOLD

 

 

 

WK DET

 

 

 

 

 

SDO0

 

 

 

 

 

SCK0

 

 

J301

MIC

(PRUG IN POWER)

 

 

 

L901

 

 

 

 

 

 

 

24

LG

 

 

 

 

 

 

L902

 

 

 

 

 

 

 

34

L2

 

 

 

 

 

 

35

L2

 

 

 

DVDD0 254

D901

D902

 

 

 

 

DVDD1 256

 

38

VCIN

 

 

 

DVDD2 258

 

36

VO2

 

 

 

DVDD3 260

 

42

VC2

 

 

 

DVDD4 262

 

23

VG

 

 

 

 

VG

 

 

 

 

DVDD5 301

 

 

 

 

 

 

DVDD6 302

 

39

REGO3

 

 

 

XRST 212

 

27

XRST2

 

 

 

SLEEP

123

 

64

SLEEP

D990

IC990

 

XCS PWR IC

138

 

59

STRB

VOL

2

FFCLR 124

 

1

FFCLR

3

DET

 

 

BATT CHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC951

 

VB

SWITCH

WK UP SW

14

WK DET

VI2

6

REGO1

 

DRY BATTERY

 

Q990

Q991

 

 

 

 

 

VG

12

VG

 

 

SIZE "AA"

 

 

 

 

 

 

 

 

(IEC DESIGNATION LR6)

 

 

 

 

 

 

 

 

 

 

 

 

 

UNREG

 

 

 

VI

24

 

 

 

1.5V

 

 

 

 

 

 

 

 

 

 

WK DET

 

 

 

 

 

 

 

 

 

 

CHGI CTL1

125

 

 

16

I CTL1

VBAT

8

 

 

 

RECHARGEABLE

CHG PWM 145

 

 

20

CHG CTL

 

 

 

 

 

BATTERY

CHG AD SEL

134

 

 

5

AD SEL

IN1-

23

 

 

LF951

NH-10WM

 

 

 

 

1.2V

CHGI SEL

135

 

 

4

ISEL

RF1

18

 

 

LINE

TH951

 

 

 

 

 

CHG MON 160

 

 

3

A/D

 

 

D952

SW

FILTER

 

XRST CHG IC

113

 

 

2

VI2 DET

VO

7

 

 

 

 

 

 

 

 

 

 

Q954

 

 

XEXT PWR 131

 

 

13

PWR WAKE

 

 

 

 

J951

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNREG

 

Q952

DC IN 3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC671

 

 

 

 

 

Q671

Q671

1

VOL

3

J952

 

 

 

(1/2)

(2/2)

DET

 

 

 

 

 

BATTERY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VBUS

CHARGING

 

 

 

 

 

 

 

STAND

 

 

 

 

 

 

 

 

UDM 176

 

 

 

 

 

 

DATA-

TO

 

 

 

 

 

 

DATA+

USB

UDP 175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNREG

Q651

 

 

 

 

 

 

 

 

(1/2)

 

 

 

 

 

 

 

Q652

Q651

REGO1

 

 

 

 

 

 

(2/2)

 

 

 

 

 

 

 

 

 

 

 

 

D653

 

L651

 

 

 

 

 

 

IC651

 

 

 

 

 

 

 

 

DC-DC CONV

 

 

 

 

 

 

 

1

VOUT EXT

5

Q653

 

 

 

 

 

2

VDD

 

 

 

 

 

 

 

 

CE

3

 

 

 

 

 

 

Q654

 

 

 

 

 

 

 

 

 

D654

 

 

 

 

 

 

 

179 UOSCI

X802

48MHz

REC DRIVER

IC601

180 UOSCO

EFMO

71

 

FS4

34

HALF LOCK 168 HALF LOCK SW S801

(HALF LOCK)

VREC PWM 146

S803

(OPEN/CLOSE)93 OPEN CLOSE SW

S804

89

PROTECT

 

(PROTECT)

 

 

 

 

S805

103

XGUM ON

HD CON1 205

RECHARGEABLE

 

 

 

BATTERY IN

 

 

HD CON2 206

DETECT

 

 

 

 

 

 

MODE1 202

 

 

 

MODE2 203

 

 

 

MODE3 204

 

7

EFM

VIO

8

REGO1

 

4

CLK

VC

9

VCO1

4FS

 

 

VC2

26

 

20

RF1

 

 

 

 

VG

36

VG

 

 

 

 

19

INM1

VREC O1

10

 

 

11

L1 1

VREC O2

15

 

 

VREC IN1

42

 

 

14

L1 2

 

 

VREC IN2

37

 

 

 

 

 

SW

22

DW BT

 

 

 

Q603

21

DW TP

HA 33

SWITCH

 

 

 

 

 

VB

 

 

HB

35

Q604,605

 

 

 

 

6

FI

 

 

 

 

5

RI

OUT B

38

 

 

 

 

 

 

3

OE

OUT A

41

 

 

2

REC ON

 

 

 

 

1

SW

 

 

 

A

OVER WRITE HEAD

B

37 37

Page 37
Image 37
Sony MZ-NF810 service manual Section Diagrams, Block Diagram

MZ-NF810 specifications

The Sony MZ-NF810 is a notable entry in the portable digital music player market, primarily aimed at users who seek high-quality audio playback and advanced recording capabilities. This MiniDisc player is celebrated for its compact design, making it an ideal companion for on-the-go listeners who value both audio quality and portability.

One of the standout features of the MZ-NF810 is its support for ATRAC compression technology. ATRAC, short for Adaptive Transform Acoustic Coding, provides a means to compress audio files while still maintaining impressive sound fidelity. This technology was specifically designed to optimize audio for the MiniDisc format, allowing users to enjoy longer playtimes without sacrificing sound quality. The MZ-NF810 can store up to 40 hours of music on a single battery charge, a significant advantage for audiophiles and casual listeners alike.

The device also boasts a high-resolution LCD display, providing crucial information about the currently playing track, including title, artist, and remaining battery life. Navigation is smooth and user-friendly, allowing users to access their music collections with ease. In addition, the MZ-NF810 supports USB connectivity, enabling users to transfer music and files directly from their computers. This feature eliminates the need for additional software, streamlining the process of loading music onto the device.

An important aspect of the MZ-NF810 is its recording capabilities. The player allows users to record live audio directly onto MiniDiscs, providing the freedom to capture concerts, lectures, or personal notes. The addition of various recording modes, including long-play options, enhances its utility for users who need diverse functionality.

Sound quality is further augmented with features such as Dynamic Bass Boost and a five-band equalizer, allowing users to tailor their listening experience to their preferences. The MZ-NF810 also supports various audio formats, adding to its versatility as a personal audio device.

Lastly, the MZ-NF810's sleek and lightweight design makes it not only aesthetically pleasing but also comfortable to carry, making it a practical choice for those who lead active lifestyles. In summary, the Sony MZ-NF810 MiniDisc player stands out for its audio quality, recording features, and user-friendly design, catering to music enthusiasts who demand both performance and portability in their listening experience.