Sony MZ-N707 service manual F1VM

Page 39

6-8. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • See page 42 for Waveform. See page 43 for IC Block Diagrams.

MZ-N707

A1

A2

A3

A4

A5

(2/4)

D904

VCPVLP

D1

D2

D3

D4

M602

(SLED)

U

W

M603

OVER WRITE

HEAD UP/DOWN

U

W

M601

(SPINDLE)

A6

(Page 38)

A7

A8

A9

A10

A11

A12

N

CN502

10P

1

SLEDN

V

SLEDU

SLEDV

SLEDW

HD DRV-

HD DRV+

CLVW

CLVV

CLVU

N

CLVN

10

V

C551

0.1

C1

C2

C3

C4

C5

C6

SCW

SCV

SCU

SP

SMU

SMV

SMW

XMD

C561

0.1

CMW

CMV

CMU

CP

CCU

R560 2.2k

R561 2.2k

R562 2.2k

R551 10k

R552 10k

R553 10k

 

 

3C

 

2C

 

 

1C

 

 

-KR T

 

+KR T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C522

 

 

 

 

 

 

 

 

 

 

0

 

0

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L552

 

L551

 

I2V

I2W

2W DNPG

2OW

2W VM V

2OV

2UV DNGP

O2U

2UM V

2RVM

2OR

2DN PG

2FO

F2M W

UI2

 

 

 

 

 

 

 

 

 

 

 

 

FI2

PWM2

 

 

 

 

 

 

 

 

 

 

 

 

RI2

CPUO2

 

 

 

 

 

 

 

 

 

 

 

 

COM2

CPVO2

 

 

 

 

 

 

 

 

 

 

 

 

CPUI2

CPWO2

 

 

 

 

 

 

 

 

 

 

 

 

CPVI2

OE

 

 

 

 

 

 

 

 

 

 

 

 

CPWI2

GND1

 

 

 

 

 

 

 

 

 

 

 

 

NC

VC

 

 

FOCUS/TRACKING COIL DRIVE,

 

 

GND2

 

 

SPINDLE/SLED MOTOR DRIVE

 

 

VG

 

 

 

 

CPWI1

 

 

 

 

 

IC551

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPWO1

 

 

 

 

SC111258FCR2

 

 

 

 

CPVI1

 

 

 

 

 

 

 

 

 

 

 

 

CPVO1

 

 

 

 

 

 

 

 

 

 

 

 

CPUI1

CPUO1

 

 

 

 

 

 

 

 

 

 

 

 

COM1

PWM1

I1W

1WPGN D

O1W

1VWVM

VO1

1UVDPGN

O1U

1VMU

1RVM

O1R

D1NPG

1FO

RI1

I1V

F1VM

UI1

 

 

 

 

 

 

 

 

 

 

 

 

FI1

 

4

5

6

L554

L553

 

 

 

C

C

C

 

 

 

0

0

C512

C521

 

 

 

 

 

 

 

 

 

 

 

 

0.1

0.1

V

W

 

 

FCS-

FCS+

 

 

CC

CC

 

 

 

 

 

 

 

 

 

 

 

 

D1

 

 

 

 

 

 

 

 

 

D2

DGN

NC

 

 

 

 

 

 

 

D3

 

 

 

 

 

 

 

D4

UTO

DVD

VOLTAGE

 

C557

 

C558

 

C559

DETECTOR

 

 

 

 

 

0.047

 

0.047

 

0.047

 

 

 

IC902

 

 

 

 

 

 

XC61CN0802NR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C927

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

D5

 

 

 

 

 

 

 

 

 

D6

 

 

 

 

 

 

 

 

 

D7

 

 

 

 

 

 

 

 

 

D8

R919

 

 

 

 

 

 

 

 

 

47k

 

 

022.

01.0

022.

01.0

022.

01.0

 

0.5%

 

 

R918

 

 

C916

C5620

C565

C5630

C566

C5640

C567

 

 

10k

 

 

1

 

 

 

 

 

 

0.5%

 

 

 

TF1

TR1

D4

D3

D2

D1

D5

D6

D7

D8

FR1

FF1

Q904

2SA1745

R927

1M

Q903,904

B+ SWITCH

R928

100k

R925

220k

Q903

2SD2216J-R

R924

220k

Q902

R9232SD2216J-R

220k

Q901

2SD2216J-R

Q901,902

SWITCHING

MA111-TX

R914

100

 

 

 

 

 

 

5%.0

5%.

 

5%.0

 

 

 

 

 

 

 

 

 

 

 

 

 

R906

 

100k

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22k

 

7k4.

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

R946

 

 

 

R948

R936

 

R917

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C919

 

 

 

 

 

 

 

 

C901

 

 

 

 

 

C902

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

10

 

10

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R915

 

 

 

 

 

6.3V

 

 

 

 

 

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C920

R947

0.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

6.3V

1k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MA2YD15

 

 

 

AP912

 

 

 

 

 

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

(VCO)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L906

 

 

 

 

 

 

 

C911

 

 

IFV

 

VA

FBVA

FBVD

IFFBV

NDG

VC

COV

VC

COUTV

L1

CN

D1GNP

D1PGN

 

10

 

 

 

 

6.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

R911

 

 

VD

 

 

 

 

 

 

 

 

 

 

 

 

 

RF1

 

470

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

 

 

 

 

 

 

 

 

 

 

 

 

INM1

XRST

 

 

 

XRST

 

 

 

 

 

 

 

 

 

 

 

 

 

DTC1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C917

 

 

 

CRST

 

 

 

 

 

 

 

 

 

 

 

 

 

DTC2

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RSTREF

 

 

 

 

 

 

 

 

 

 

 

 

 

RF2

C915

 

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

INM2

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER CONTROL

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

 

VDRF

 

 

 

 

 

 

 

 

 

 

IC901

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

VGFB

 

 

 

 

 

 

 

 

 

XPC18A32FCR2

 

 

 

 

C928

 

 

CLKSEL

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

CSEL

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VAIFON

 

 

 

 

 

 

 

 

 

 

 

 

 

LG

FF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFCLR

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND2

SL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SLEEP

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLK

 

 

 

 

 

 

 

 

 

 

 

 

D2GN P

NC

 

 

 

 

LONV

 

1KXW

2KXW

3KXW

4KW X

STBV

CM VR

DNG

VL

LOV

VL

2L

D2NPG

C924

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1000p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C914

 

 

 

 

 

 

 

R907

1M

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R921

470k

 

 

 

 

 

 

 

 

L904

 

 

 

 

 

R916

220k

 

 

 

 

 

 

 

 

10

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R908

100k

 

 

 

 

 

 

 

 

R920

 

 

 

D902

 

 

 

 

 

 

 

 

 

 

 

 

 

MA2YD15

 

 

 

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

 

 

NOLV

TDEW

KCER

 

 

LFHA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C904

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.3V

 

 

 

 

 

 

 

C910

 

C909

 

 

 

 

 

 

 

 

 

 

 

C903

 

 

 

 

 

 

 

C912

 

 

C913

 

 

 

100

 

 

 

1000p

 

1000p

 

 

 

 

 

 

 

 

 

6.3V

 

 

 

 

 

 

 

 

1000p

 

4700p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZZ3

ZZ2

 

ZZ1

 

 

 

 

 

 

 

 

 

 

 

AP913

(VLO)

 

R909

R910

 

10k

10k

L901

 

 

100

H

 

 

R941

 

 

22k

 

 

 

C926

 

 

10

 

 

 

6.3V

 

 

R902

 

 

 

470k

 

 

 

R903

C905

 

2.2k

0.1

 

C908

0.1

 

C921

0.1

 

C906

0.01

R905

C922

2.2k

1000p

C907

D903

MA729

2.2

L905

100H

R922

22k

L902

22H

C918

2.2

D5

D6

D7

(Page 40)

D8

D9

D10

D11

39 39

Image 39
Contents 873-458-01 SpecificationsMZ-N707 Flexible Circuit Board Repairing Table of ContentsDisassembly DiagramsSystem requirements Section Servicing NotesSection General Looking at the controlsDisassembly Flow Section DisassemblyUpper Panel Section Case LowerMechanism Deck MT-MZN707-177 LCD MODULE, Upper Panel SUB AssyMain Board Gear SA Screw M1.4 OP Service Assy LCX-5RHolder Assy Gear HA Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeN u a l Configuration of Test ModeManual Mode Transition Method in Manual Mode8 S 1 B Overall Adjustment ModeSELF-DIAGNOSIS Result Display Mode Self-Diagnosis Result Display Mode Setting MethodDescription of Indication History Reset the Error Display CodeDescription of Error Indication Codes Setting Method of Reset the Error Display CodeL a Y * * 0 Sound Skip Check Result Display ModeV r A t U l R s R y M p # # # # # #C O K * * 8 T O K * * 8S e t Section Electrical AdjustmentsS N V C C S O K ?R e c 1 * * 7 C d G n * * 3T F l g * * 7 R e c 0 * * 7U m * * 8 P b 2 * * 7P b 3 * * 7 P b 4 * * 7Power Supply Manual Adjustment L P W M * * 7H P W M * * 7 C p w H * * 7 P w m L * * 7P w m H * * 7 C p w L * * 7I t P w T T m p * * 0S e r E f P wMain Board Component Side IC501S y * * 0 S y 1S t CD and MO Overall Adjustment Items Adjustment Method of CD and MO Overall Adjustment ModeResume Clear Resume Clear Setting Method# # # S 0 0 0 S C l r 0Rewriting the Patch Data PreparationServicing Notes Pre-checkMZ-N707 MZ-N707 Block Diagram SERVO/USB Section Section DiagramsBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Component Side Semiconductor LocationIC902 Components identified by mark 0or dotted F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description SSB Data DRAMVSS0DVSS0 DVDD0REC OPR LED TrstVG CTL Aout SELREC KEY Vref MONVbus DET WK DETVrefr DavddVrefl AoutlIFVSS3 DVSS3DVDD3 IFVDD3Flashvss FlashvddUpper PANEL, Case Lower Section Section Exploded ViewsMT-MZN707-177 Main board section Chassis Section101 104 102 103 Main Board Section301 353 Section Main Electrical Parts ListMain 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.