Sony MZ-N707 service manual Section Diagrams, Block Diagram SERVO/USB Section

Page 32

MZ-N707

 

 

 

SECTION 6

 

 

 

 

 

 

 

 

 

 

 

 

DIAGRAMS

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVER WRITE HEAD DRIVE

 

 

 

 

 

 

 

 

 

 

 

IC601 (1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HR601

 

35

HB

 

 

 

 

 

 

OVER WRITE

 

EFM

 

 

EFM

 

OVER

 

 

 

 

 

OPTICAL PICK-UP BLOCK

 

 

 

 

HEAD DRIVE

 

 

 

PRE DRIVER

 

 

7

WRITE

 

 

HA

 

 

Q604, 605

 

 

 

 

 

 

(LCX-5R)

HEAD

33

 

 

 

CLK

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

M603

 

41

OUTA

 

 

H-BRIDGE

VRECIN2

37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTB

 

 

VRECIN1

 

 

 

 

 

 

 

 

RF AMP, FOCUS/TRACKING ERROR AMP

 

OVER WRITE

M

38

 

 

PRE DRIVER

42

 

 

 

 

 

 

 

 

 

HEAD

 

 

 

 

 

 

 

 

C1H

 

 

 

 

 

 

 

 

 

 

IC501

 

 

 

 

 

 

 

 

 

 

 

28

 

 

 

 

 

 

 

 

 

 

 

UP/DOWN

 

 

 

 

 

 

 

 

CHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1L

 

 

 

 

 

 

 

4

VREF

 

 

 

 

 

 

 

 

SYSTEM CONTROL (1/2)

PUMP 1

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IY

 

 

 

 

 

 

 

 

 

25

VREF

SW

RECON

OE

RI

FI

PUMP 2

C2H

31

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

C2L

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHARGE

 

 

 

 

 

 

IX

 

 

 

 

 

 

 

 

 

 

 

1

2

3

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

142 141 140

145 143

 

 

 

 

JX

JY

JX

 

 

 

IY

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

8

 

 

RF OUT

 

 

 

 

 

 

 

 

 

 

 

 

PEAK

33

163 RFI

 

 

 

MODE3

MODE2

MODE1

HDCON2

HDCON1

 

 

 

 

 

 

 

JY

+

 

10

IX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JX

 

 

PEAK

29

169 PEAK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF AMP,

 

BOTM

 

 

 

 

 

 

 

 

 

 

 

IX

IY

IX

 

 

 

 

JY

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

11

/BOTM

28

170 BOTM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

FOCUS/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

TRACKING

 

ABCD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

B

 

41

171 ABCD

 

 

 

 

 

 

 

SYSTEM CONTROLLER,

 

 

 

B

 

14

ERROR

 

 

 

 

 

 

 

 

 

A

B C

D

 

C

AMP

 

FE

42

172 FE

 

 

 

 

 

 

 

 

DIGITAL SIGNAL PROCESSOR,

 

 

5

 

 

 

 

 

 

 

 

 

16M BIT D-RAM

 

 

 

 

 

+

 

6

D

 

 

TE

1

181 TE

 

 

 

 

 

 

 

 

IC801 (1/3)

 

 

 

 

C

 

A-C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

TPP/WPP

 

ADIP IN

44

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

D-C

 

ADFG

21

202 ADFG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PD-I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PD-NI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

18

APC

 

19

206 APCREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MON

 

 

 

 

 

 

31

174 VC

 

OFTRK 26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

108 VREF MON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LD-A

AUTOMATIC

 

PD-O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LD

POWER

20

 

 

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

 

S0

 

 

 

 

80 PD S0

 

 

 

 

 

 

 

 

 

S1

 

 

 

 

81 PD S1

FCS+

13

FO1

 

 

FOCUS

FI1

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FCS–

11

RO1

 

COIL DRIVE

RI1

16

 

2-AXIS

 

 

 

 

 

 

 

 

 

 

PWM2 44

 

DEVICE

TRK+

TRK+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(FOCUS)

(TRACKING)

 

 

 

 

 

 

35

UO2

 

 

 

UI2 43

 

 

 

 

 

 

25

CPUI2

 

 

SLED

 

 

 

TRK–

TRK–

 

 

 

 

 

 

VI2 42

 

 

 

 

 

 

U

 

37

VO2

 

 

MOTOR

 

 

 

 

 

 

 

24

CPVI2

 

 

DRIVE

 

 

 

 

 

 

M602

 

 

 

 

 

WI2

 

 

 

FCS+

FCS+

W

V

 

39

WO2

 

 

 

41

 

 

 

 

(SLED)

 

 

 

CPWI2

 

 

 

 

 

 

FCS–

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

 

 

 

CLK

D

(Page 34)

 

 

VRECO

 

 

 

B+

 

 

 

SIGNAL PATH

 

 

 

: PLAYBACK

 

 

 

: REC (ANALOG IN)

 

 

: REC (DIGITAL IN)

 

 

: USB CHECK OUT

 

 

230

 

 

 

EFMO

DIN1

A

(Page 33)

DIN1 190

 

ADDT 195

ADDT

B

(Page 33)

 

AOUTL

AOUTL,

 

 

AOUTR

C

(Page 33)

AOUTL 155

 

AOUTR

 

 

 

AOUTR 156

 

 

 

234 MNT3

 

 

 

UDP 134

 

 

3 DATA+

UPUEN 135

 

 

 

UDM 133

 

 

2 DATA–

UOSCI 137

CN701 (1/2)

(USB CONNECTOR)

X802

48MHz

 

 

 

UOSCO 138

 

 

 

208TFDR

207TRDR

209FFDR

210FRDR

220SFDR

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

 

 

32 32

Image 32
Contents Specifications 873-458-01MZ-N707 Table of Contents DisassemblyDiagrams Flexible Circuit Board RepairingSection Servicing Notes System requirementsLooking at the controls Section GeneralSection Disassembly Disassembly FlowCase Lower Upper Panel SectionLCD MODULE, Upper Panel SUB Assy Mechanism Deck MT-MZN707-177Main Board OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy Gear HA Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition Method in Manual Mode N u a lOverall Adjustment Mode SELF-DIAGNOSIS Result Display ModeSelf-Diagnosis Result Display Mode Setting Method 8 S 1 BReset the Error Display Code Description of Error Indication CodesSetting Method of Reset the Error Display Code Description of Indication HistorySound Skip Check Result Display Mode V rA t U l R s R y M p # # # # # # L a Y * * 0T O K * * 8 C O K * * 8Section Electrical Adjustments S N V C CS O K ? S e tC d G n * * 3 T F l g * * 7R e c 0 * * 7 R e c 1 * * 7P b 2 * * 7 P b 3 * * 7P b 4 * * 7 U m * * 8H P W M * * 7 Power Supply Manual AdjustmentL P W M * * 7 P w m L * * 7 P w m H * * 7C p w L * * 7 C p w H * * 7T T m p * * 0 S e rE f P w I t P wIC501 Main Board Component SideS t S y * * 0S y 1 Adjustment Method of CD and MO Overall Adjustment Mode CD and MO Overall Adjustment ItemsResume Clear Setting Method # # # S 0 0 0S C l r 0 Resume ClearPreparation Servicing NotesPre-check Rewriting the Patch DataMZ-N707 MZ-N707 Section Diagrams Block Diagram SERVO/USB SectionBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Semiconductor Location Main Board Component SideIC902 Components identified by mark 0or dotted F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT Waveforms 22.7 ∝ sIC Block Diagrams IC301 AK5354VT-E2 IC302 TA2131FL ELIC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DRAMVSS0 DVSS0DVDD0 SSB DataTrst VG CTLAout SEL REC OPR LEDVref MON Vbus DETWK DET REC KEYDavdd VreflAoutl VrefrDVSS3 DVDD3IFVDD3 IFVSS3Flashvdd FlashvssSection Exploded Views Upper PANEL, Case Lower SectionChassis Section MT-MZN707-177 Main board sectionMain Board Section 101 104 102 103301 353 Main Electrical Parts List SectionMain XPC18A22AFCR2 Resistor OPEN/CLOSE Detect EMI Filter Card Operating Instruction Revision History

MZ-N707 specifications

The Sony MZ-N707, released in the early 2000s, is a remarkable portable MiniDisc player that represents a significant leap forward in digital audio technology. Known for its compact size and impressive sound quality, the MZ-N707 quickly became a favorite among music enthusiasts during its heyday.

One of the standout features of the MZ-N707 is its advanced ATRAC (Adaptive Transform Acoustic Coding) audio compression technology. This proprietary format allows for high-quality audio playback while minimizing file size, making it easier for users to store and carry their favorite tracks. The MiniDisc format supports a variety of bit rates, enabling listeners to choose between higher quality or more storage capacity based on their personal preferences.

The MZ-N707’s sleek and lightweight design is ideal for on-the-go listening, fitting comfortably in a pocket or bag. It boasts a clear LCD display that provides essential information such as track titles, playback time, and battery life, ensuring users stay informed while enjoying their music.

Battery life is another major selling point for the MZ-N707. With the ability to run for several hours on a single charge, this player is perfect for long journeys or extended listening sessions. Additionally, it uses a rechargeable lithium-ion battery, which was a welcome feature at the time, reducing the need for frequent battery replacements and promoting environmental sustainability.

Connectivity options also make the MZ-N707 an appealing choice. It comes with an integrated USB port for easy data transfer between the player and a computer, allowing users to upload their favorite audio tracks with minimal hassle. Furthermore, it supports various audio formats, enabling compatibility with a wide range of music sources.

The MZ-N707 is equipped with a range of customizable sound settings, including equalizer presets that allow users to tailor the audio output to fit their listening preferences. This flexibility enhances the user experience, making it suitable for different genres and environments.

In summary, the Sony MZ-N707 MiniDisc player features cutting-edge technology, portability, excellent battery life, and user-friendly options that appeal to audiophiles and casual listeners alike. Its legacy is a testament to Sony's commitment to innovation in portable audio solutions during the early 21st century. Whether for casual listening or serious music collection, the MZ-N707 remains a notable device in the history of digital audio.