Sony MZ-N707 service manual Schematic Diagram Main Board 3/4 See page 42 for Waveforms

Page 40

MZ-N707

6-9. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 42 for Waveforms.

(3/4)

B1

B2

B3

B4

(Page B5 38)

D1

D2

D3

D4

D5

ADDT

 

 

 

 

D6

 

 

 

 

D7

 

 

 

 

LRCK

R815

0

FB802

0

XBCK

R816

0

FB803

0

FS256

R831

0

FB804

0

IPDA

 

 

 

 

 

 

 

C801

0.1

 

 

 

 

F

 

 

R829

 

 

R828

ER

C841

C820

C840

C819

4.7k

2.2k

A

4700p

0.01

0.5%

0.01

0.022

0.5%

TR1

TF1

FF1

FR1

CCU

CP

CCV

CCW

CMU

CMV

CMW

SCU

SP

SCV

SCW

(Page

 

39)

SMU

 

SMV

 

SMW

 

MFE

R841

0

D8

D9

D10

D11

DIN1

NC

CN

1IN D

LST X

2DD VD

2SS DV

FRL X

FRT D

FRK C

NC

 

 

 

 

 

 

 

 

DADT

 

 

 

 

 

 

 

 

ADDT

 

 

 

 

 

 

 

 

LRCK

 

 

 

 

 

 

 

 

XBCK

 

 

 

 

 

 

 

 

FS256

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

DVSS3

 

 

 

 

 

 

 

 

DVDD3

 

 

 

 

 

 

 

 

ADFG

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

IFVDD3

 

 

 

 

 

 

 

 

IFVSS3

 

 

 

 

 

 

 

 

APCREF

 

 

 

 

 

 

 

 

TRDR

 

 

 

 

 

 

 

 

TFDR

 

 

 

 

 

 

 

 

FFDR

 

 

 

 

 

 

 

 

FRDR

 

 

 

 

 

 

 

 

FS4

 

 

 

 

 

 

 

 

SPRD

 

 

 

 

 

 

 

 

SPFD

 

 

 

 

 

 

 

 

SPDV

 

 

 

 

 

 

 

 

SPDW

 

 

 

 

 

 

 

 

SPCU

 

 

 

 

 

 

 

 

SPCV

 

 

 

 

 

 

 

 

SPCW

 

 

 

 

 

 

 

 

SRDR

 

 

 

 

 

 

 

 

SFDR

 

 

 

 

 

 

 

 

SLDV

 

 

 

 

 

 

 

 

SLDW

 

 

 

 

 

 

 

 

DVSS4

 

 

 

 

 

 

 

 

DVDD4

 

 

 

 

 

 

 

 

SLCU

 

 

 

 

 

 

 

 

SLCV

 

 

 

 

 

 

 

 

SLCW

 

 

 

 

 

 

 

 

IFVDD4

 

 

 

 

 

 

 

 

IFVSS4

 

 

 

 

 

 

 

 

EFMO

 

 

 

 

 

 

 

 

MNT0

 

 

 

 

 

 

 

 

MNT1

 

 

 

 

 

 

 

 

MNT2

 

 

 

 

 

 

 

 

MNT3

 

 

 

 

 

 

 

 

SENS

 

 

 

 

 

 

 

 

TX

 

 

 

 

 

 

 

 

RECP

LRCKI/XELT

XBCKI/ECK

DATAI/EDT

XERQ

A11

XOE

XWE

TSTDR3

EVA

FLASHVDD

FLASHVSS

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

L802

10H

A CP

RD MA DV 0D

XPD XCS

TE

 

NOMS

 

 

 

 

 

NOMV

EF

 

DBCA

MOTB

KAEP

 

 

 

 

IFR

 

 

 

 

 

 

1B

 

2B

 

 

 

 

 

C839

 

 

 

2CH

 

1HC

3EODM

2EDOM

1DEOM

 

 

 

 

NUE

PDU

MDU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1000p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R807

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C318 407.

2C18 100.

 

 

 

 

 

 

C809

 

0

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

FB801

 

 

 

 

 

 

 

 

 

 

 

FB806

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C817

1

 

 

 

 

 

 

 

 

 

 

 

 

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R858

 

 

 

 

 

 

 

 

 

 

 

 

91 28C 81 28C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61C108.

1M

 

 

 

 

 

 

 

k00 91 08R R00718k1

k01 808 R

 

11 18C

 

 

70RC028118

 

600R874

 

p01 708 MHz8451CX15480.

 

 

 

T)L801TESS(

 

 

 

 

 

 

8R43078

 

p01 32MH20z8CX488

 

40 48R

2245 8R

622 48R

 

 

 

 

 

 

 

 

 

 

 

 

 

2R281k

 

 

R857

 

 

01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R825

 

 

1k

 

V 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2M

 

 

R824

 

. 6

4 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2k

 

4 7

R 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C833

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C808

 

 

 

 

 

 

 

 

 

 

 

 

10p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R823

 

 

 

 

5 1

 

 

 

 

 

 

 

 

 

 

 

10p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R821

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

220k

 

8C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C814

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

470p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GHC D

ET

ES

BRD A

2SV A

2DV A

TRD A

IODA

CV

1XU A

EF

DCB A

MTO B

KAE P

VTL C

OIL F

IIL F

OCP

1SV A

IFR

SIA B

1DV A

IYS A

OYS A

SSV AD

RFE RV

RTU OA

LTU OA

LFE RV

DDV AD

CSIO SV

 

OCS O

ICS O

CSIO DV

CDA DPX

CDA SCX

TSE TX

2N OC DH

DDV BP

1N OC DH

3ED OM

2ED OM

1ED OM

SSV CSO BSU

OCS OU

ICS OU

DDV CSO BSU

NEU PU

PDU

MDU

SYSTEM CONTROLLER,

DIGITAL SIGNAL PROCESSOR,

16M BIT D-RAM

IC801

CXD2677-202GA

CSP(Chip Size Package)

1DD VM ARD

0SS VM ARD

1SS VM ARD

NC

NC

NC

NC

NC

NC

NC

NC

CN

CN

0SS VD

0DD VD

KRT FO

ATA DB SS

KLC BSS

MW PC ERV

MW PL V

MW PC V

)M WP D(V CN

CN

0DD VIF

0SS VIF

TED TPO

TED KCA JX

TED ICM X

WS ESO LC NEP O

0ED OC TES

1ED OC TES

2ED OC TES

3ED OC TES

HCT APX

I0S

0OS

0KC S

NO MUG X

PEE B

1TS ET

0TS ET

ODK

BRK

KLC K

SCK

IDK

TSR T

LTC TPO X

LTC GV

LES TUO A

 

 

 

 

 

 

 

 

 

 

 

 

C818

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R836

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C803

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R804

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TDA

KCL

RP

 

 

 

 

2.2k

 

C805

TEDPO

ETDJX

 

TDEMX

 

 

 

 

 

I0DS

0ODS

0KCS

 

 

PEBE

 

 

 

 

 

 

 

 

CTLOX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R833

 

R805

 

 

R861

0.047

 

 

 

 

 

 

S806

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2k

 

 

 

1k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2k

 

 

 

 

 

 

 

 

 

 

OPEN/CLOSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R859

 

 

 

C806

0.047

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R860

 

 

 

 

 

 

 

 

DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C821

 

 

 

 

 

 

 

 

 

 

 

 

 

1k

 

 

C824

0.047

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

 

C822

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.3V

 

0.1

 

 

 

 

 

 

 

 

S

S

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PL

 

PC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C838

4.7

 

 

0

 

 

 

 

438R

 

 

DDVIFBUS

DNEUPSS

YITM

ITO

 

 

 

 

SAK

 

 

 

 

IDO

 

 

 

 

NAR

 

 

 

 

TAN

 

 

 

 

TAT

 

 

 

 

NC

 

 

 

 

NC

 

 

 

 

TSLVDD

 

 

RMC DTCK

 

 

 

 

TSMVDD

 

 

 

 

AVSS

 

 

 

 

AVDD

 

 

 

RMC KEY

 

HALF LOCK SW

 

 

 

 

REC KEY

 

 

 

 

WK DET

 

 

HIDC MON

 

 

VBUS DET

 

 

 

SET KEY 2

 

 

 

SET KEY 1

 

 

VREF MON

 

 

 

CHG MON

 

 

 

 

VB MON

 

 

STAND DET

 

 

 

 

XRST

 

 

 

 

XMUTE

 

 

 

 

LCD RST

 

 

XUDP UP ON

 

 

 

 

NC

 

 

 

 

NC

 

 

 

 

NC

 

 

T MARK SW

 

 

 

 

IFVDD2

 

 

 

 

IFVSS2

 

 

 

 

XCS NV2

 

 

XHP STBY

 

 

 

CHGI CTL

 

 

 

 

CHG CTL

 

 

 

CHG GAIN

 

 

 

 

FFCLR

 

 

 

 

SLEEP

 

 

 

 

DVDD1

 

 

 

 

DVSS1

 

 

 

 

VLON

 

 

 

SLD MON

 

 

 

PROTECT

 

 

PAUSE KEY

 

 

 

 

PD S1

 

 

 

 

PD S0

 

 

 

 

JOG B

 

 

 

 

JOG A

 

 

XHOLD SW

 

 

SPDL MON

 

 

 

 

XRF RST

 

XRST MTR DRV

 

 

 

 

IFVSS1

 

 

 

 

IFVDD1

 

 

 

 

XCS NV1

 

 

 

 

CS RTC

 

 

 

 

MUTE

DEL

LCT

 

 

LCD STB

 

 

XCS LCD

RPO

BSS

2WS

 

GND SW

 

MIC

CER

BST

DNG

 

SENSE

CLK SEL

LE

SC

R832

470k

C834

D804

R852

0.01

MA729

68k

 

 

 

0.5%

R839

R834

1M

100k

 

 

0.5%

R835

470k

0.5%

AM 80D 680 3-8 XT

C804 0.1

HALF

RECK

WDET

HMON

VMON

CHGM

SDET

XRST

R847

0

CHG

CHGG

FF

SL

VLON

SCU

PDS1

PDS0

CCU

XRST

XMD

GSW

L801

0

C825 R840

100p 100

S805

OPEN

R803 R802

47k4.7k

0.5%0.5%

SK2

SK1

R801

220k

C802

0.01

LR

XS

S803

PROTECT

DETECT

PAUSE

XHOLD

NV

MUTE

LS

XL

DTCK

Z 1Z

E1

E2

E3

E4

E5

(Page

41)

E8

E9

E10

E11

40 40

Image 40
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 * * 8L P W M * * 7 Power Supply Manual AdjustmentH 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 y 1 S y * * 0S t 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.