Sony MZ-NF610 service manual Section Diagrams, Block Diagram

Page 39

MZ-NF610

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

 

 

 

 

 

 

 

ly

VREF10

 

 

 

 

 

 

 

56

ly

RFO

9

 

10

RFI

BEEP

104

 

lx

 

 

1

lx

RFI

40

 

 

 

XHP STBY

106

 

jy

 

 

 

 

55

jy

 

 

 

 

 

MUTE 199

 

jx

PEAK

48

 

15

PEAK

 

54

jx

 

 

 

 

A

BOTM 47

 

16

BOTM

 

 

 

50

A

 

RADIO ON 173

 

B

ABCD

41

 

17

ABCD

 

51

B

 

RMC KEY 169

 

C

FE

42

 

18

FE

 

52

C

 

RMC DTCK

174

 

D

TE

43

 

23

TE

 

49

D

 

 

 

 

 

ADFG

23

 

28

ADFG

 

 

 

 

16

A-C

 

 

 

 

 

PD-I

13

 

29

APC REF

 

 

 

 

15

D-C

 

 

 

 

MON

VC

8

 

19

VC

 

 

 

12

 

 

 

 

 

GND

PD-NI

 

 

22

SE

 

 

 

 

 

SMON 18

 

 

 

 

 

 

 

SBUS

33

 

156 SSB DATA

XOPT CTL

105

 

 

 

 

 

D IN

49

 

 

 

 

SCK

32

 

157 SSB CLK

 

 

 

 

 

 

 

 

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

 

17

MUTE

OUTB

23

 

 

 

 

 

F1

 

 

 

 

VCO1

 

 

 

 

F3O1

RMC KEY

REGO1 REG

Q301

R GND

J303

RADIO ON

 

KEY-R

(HP OUT)

DTCK

 

VB

 

RVDD

 

SYSTEM CONTROLLER

 

 

POWER AMP

 

 

DIGITAL SIGNAL PRCESSOR

 

 

 

 

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

DAVDD 278

 

19

DTC1

XWAKE3

3

RMC KEY

 

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

 

 

 

 

 

L904

 

 

 

 

 

LDA

 

APC

14

PDO

RESET

35

130 XRF RST

 

 

 

 

Q501

 

 

 

 

XJACK DET

91

 

 

 

 

CLK

26

FS256

 

 

LDK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

VCO2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT DET

90

 

PDS0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

114 PDS0

 

 

 

PDS1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115 PDS1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR/COIL DRIVE

 

 

 

SI0

100

 

 

 

 

 

IC701

 

 

 

SO0

101

 

TRK+

 

 

 

 

 

 

 

 

 

 

 

30

FO2

FI2

28

31

TFDR

SCK0

102

TRACKING

 

 

 

 

 

 

 

 

RI2

27

30

TRDR

 

 

COIL

TRK-

 

 

 

 

ADDT

51

 

 

 

32

RO2

 

 

 

 

 

 

 

 

FI1

15

32

FFDR

XBCK

53

 

 

 

 

 

 

 

FCS+

 

 

13

FO1

RI1

16

33

FRDR

FS256

54

FOCUS

 

 

 

 

 

 

 

XRCK

52

 

 

 

 

 

PWM2 44

35

SFDR

COIL

FCS-

 

 

 

 

XCS ADC

94

 

 

 

11

RO1

 

 

121

SLD MON

 

 

 

 

 

 

XPD ADC

95

 

 

 

 

 

 

UI2

43

48

SRDR

 

 

 

 

 

 

 

 

MINI DISC

 

 

 

 

 

VI2

42

43

SLD V

 

 

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

 

 

 

 

 

 

18

CPUI1

LCD STB

142

M601

CLV V

 

 

CPVO1

53

41

SPC V

 

 

6

VO1

XCS LCD

141

(SPINDLE)

 

 

 

CPWO1 52

42

SPC W

 

 

 

19

CPVI1

 

 

 

CLV W

 

 

 

 

 

 

 

 

 

 

 

4

WO1

DE 48

143 XRST MTR DRV LCD RST 97

 

 

 

 

A/D CONV

IC302

13

CDTI

L IN

3

 

14

CCLK

R IN

4

 

9

STDO

 

 

 

10

BCLK

 

 

 

11

MCLK

VD

8

REGO1

12

LRCK

VA

7

VCO1

15

CSN

 

 

 

16

PDN

 

 

 

FS256

EEPROM

IC852

4 DO 3 DI 12 XSK 1 XCS

REGO1

J302

LINE IN

(OPTICAL)

DVDD

SIO

SDO

SCK

STB

XCS

TO

RST SWITCH

TSMVDD 284

 

7

LVB

AVDD 274

 

 

26

VB

UNREG

 

 

 

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

 

 

 

 

 

 

 

XCS PWR IC

138

59

STRB

 

 

 

 

 

 

 

FFCLR

124

1

FFCLR

 

BATTERY CHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC951

 

 

 

 

 

 

 

 

WK DET

14

WK DET

VI2

6

REGO1

 

 

CHGI CTL1

125

 

 

16

I CTL1

VG

12

VG

LF951

 

 

 

 

 

 

LINE

TH951

CHG PWM 145

 

 

20

CHG CTL

VI

24

 

 

 

 

 

 

 

 

FILTER

 

CHG AD SEL

134

 

 

5

AD SEL

 

 

 

 

 

 

 

 

 

 

 

CHGI SEL

135

 

 

4

ISEL

VBAT

8

 

 

 

CHG MON 160

 

 

3

A/D

 

 

 

 

 

XRST CHG IC

113

 

 

2

VI2 DET

IN1-

23

 

 

 

XEXT PWR 131

 

 

13

PWR WAKE

RF1

18

 

 

 

 

 

 

 

 

 

VO

7

D952

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q954

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNREG

Q953

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

SWITCHING

RECHARGEABLE

BATTERY

NH-7WMAA

1.2V

OR

DRY BATTERY

SIZE "AA"

(IEC DESIGNATION LR6)

1.5V

J951

DC IN 3V

20 CPWI1

50

REGO1

VC

HD DRV+

51

VGH

VG

M603

 

 

REGO1 RESET

UNREG Q871

&

LCD MODULE

Q951

Q672

VBUS

(OVER WRITE

M

VMF1

14

UNREG

WK DET 166

HD DRV-

HEAD UP/DOWN)

 

VMF2

29

 

PAUSE KEY

88

 

 

 

 

 

VMR1 10

 

SET KEY1

162

 

 

VMR2 33

 

SET KEY2

163

XWK1

PHASE

SET KEY1

SET KEY2

UDM 176

DATA-

TO

DATA+

USB

UDP 175

 

 

 

 

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

X803

CHG CTL 96

22.5792MHz

 

2

OSCO

179

HIDC MON 165

UOSCI

X802

 

REC

XHOLD

WK DET

SDO0

SCK0

 

 

 

 

UNREG

Q651

 

 

 

 

 

(1/2)

 

 

 

 

Q652

Q651

 

 

 

 

(2/2)

 

 

 

 

 

 

D653

 

 

L651

 

 

IC651

 

 

 

 

DC-DC CONV

 

 

 

1

VOUT

EXT

5

Q653

 

2

VDD

 

 

 

 

 

 

CE

3

 

 

Q654

D654

 

 

 

 

 

 

 

 

 

REGO1

POWER CONT

Q955

 

 

48MHz

 

 

 

 

180 UOSCO

 

 

 

 

 

EFMO 71

HALF LOCK

S801

168 HALF LOCK SW

FS4 34

 

 

 

 

 

(HALF LOCK)

 

 

 

 

 

 

VREC PWM 146

 

S803

93

OPEN CLOSE SW

 

(OPEN/CLOSE)

 

 

 

 

 

S806

89

PROTECT

 

 

(PROTECT)

 

 

 

 

 

 

 

 

 

HD CON1 205

 

 

 

 

HD CON2 206

 

 

 

 

MODE1 202

 

 

 

 

MODE2 203

 

 

 

 

MODE3 204

REC DRIVER

IC601

 

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

39 39

Image 39
Contents MZ-NF610 MZ-NF610 Battery lifeOn power sources Flexible Circuit Board RepairingSystem requirements Section Servicing NotesMZ-NF610 Looking at controls Section GeneralDisassembly Flow Section DisassemblyUpper Panel Section Case LowerMain Board LCD Module, Button ControlSet Chassis Assy Mechanism Deck MT-MZN710-177Screw M1.4 Pull off lead screw Rack spring OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyGear HA Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeConfiguration of Test Mode Manual ModeTransition Method in Manual Mode Overall Adjustment Mode Self-Diagnosis Result Display ModeSelf-Diagnosis Result Display Mode Setting Method Description of Indication History Reset the Error Display CodeDescription of Error Indication Codes Setting Method of Reset the Error Display CodeSetting Method of Key Check Mode Sound Skip Check Result Display ModeSetting Method of Sound Skip Check Result Display Mode Cause of Sound Skip ErrorSET OK Section Electrical Adjustments Adjustment and Connection Location Main board Digital voltmeter Main board TP1909 REGO1 TP1311 GND Adjustment Method of Chgvlow item number Adjustment Method of Vreclow X2 speed item numberAdjustment Method of Vrechigh Head Motor item number Adjustment Method of Vrecmiddle X4 speed item numberAdjustment Method of Chgvhigh item number Adjustment Method of Chgihigh Charge current item numberAdjustment Method of Chgilow Charge current item number Adjustment/checking and Connection Location Power Supply Adjustment Auto Item Feed Configuration of power supply adjustment auto item feedKey Checking method Laser Power CheckConfiguration of Overall Adjustment Mode ConnectionOverall Adjustment Mode Title Display Adjustment Method of CD and MO Overall Adjustment Mode Overall Adjustment error messageCD and MO Overall Adjustment Items MO overall adjustment items Remuse Clear Resume Clear Setting MethodRewriting the Patch Data Rewriting the Patch Data at Replacement of Main BoardPreparation Pre-checkMZ-NF610 MZ-NF610 MZ-NF610 How to get the application NVWriter for NV values rewriting Rewriting the NV valuesRewriting the NV values MZ-NF610 MZ-NF610 MZ-NF610 Block Diagram Section DiagramsSurface WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderSide B Printed Wiring Board Main Board Side B Uses unleaded solderXPC18A22AEPR2 Schematic Diagram Main Board 2/4 Ioad HP OUT IC361 TA2131FL EL IC Block Diagrams IC302 AK5354VT-E2IC501 SN761058AZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 Pin No Pin Name Description IC Pin Function DescriptionKrck Chgadsel Uosci DVSS0 Msak Section Exploded ViewsCase Section MT-MZN710-177 Not supplied Main board section Chassis Section101 105 106 102 103 107 104 Main Board SectionMechanism Deck MT-MZN710-177 301 302 308 306 303307 304 305 309 310311 352 351 Mechanism Deck MT-MZN710-177 358 357 365356 359 355 354Main Electrical Parts ListTantalum Fuse SMD R312 RES-CHIP 16W R315 218-990-11 Metal Revision History

MZ-NF610 specifications

The Sony MZ-NF610 is a standout portable mini disc player and recorder that epitomizes the innovation synonymous with Sony in the early 2000s. Released as part of the Net MiniDisc series, it offered a convenient way to manage and enjoy music on the go. While the popularity of digital downloads and streaming services has eclipsed physical media formats, the MZ-NF610 remains a nostalgic piece of technology that reflects a unique era in personal audio.

One of the main features of the MZ-NF610 is its large storage capacity, leveraging the MiniDisc format to offer up to 1GB of data storage on each disc. This allows music enthusiasts to store multiple albums or hours of music in a compact form. The device supports LP2 and LP4 recording modes, which not only provide flexibility in recording quality but also enhance the total recording time, making it ideal for long journeys or extensive music libraries.

The MZ-NF610 showcases SONY’s exceptional ATRAC3 encoding technology, which compresses audio files while preserving sound quality. This technology enables users to transfer music from CD directly to MiniDisc with impressive fidelity. Additionally, with its USB connection, the MZ-NF610 provides a seamless way to transfer music files from a computer, further enhancing its usability.

An important characteristic of the MZ-NF610 is its design. This model is compact, lightweight, and equipped with an easy-to-use interface, making it perfect for portability. The ergonomically designed controls simplify navigation through tracks and menus, while the backlit LCD display ensures visibility in various lighting conditions.

Battery life is another notable feature of the MZ-NF610, with the ability to run for long periods on a single charge. The player is powered by a rechargeable lithium-ion battery, which enhances its eco-friendliness and eliminates the need for disposable batteries.

Overall, the Sony MZ-NF610 is a remarkable combination of portability, audio quality, and user convenience. It highlights Sony’s commitment to pushing the boundaries of personal audio technology, making it a cherished collector's item for those who appreciate the charm of MiniDisc players. Even in an age dominated by digital streaming, the MZ-NF610 stands as a testament to the enduring appeal of physical media and the nostalgic experience it provides.