Sony MZ-N707 service manual Kct

Page 41

MZ-N707

6-10. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 42 for Waveforms. See page 43 for IC Block Diagrams.

(4/4)

E1

E2

C113

47

4V

C212

1

 

CD T2U 1C

2IN

ICM +2V

VG

STBY

+V

C323

C309

 

10

MIC AMP

0.047

6.3V

T2T1UO

 

 

R118 R102 R218 R202

22k 10k 22k 10k

C217 0.5% 0.5% 0.5% 0.5%

0.47

C117

0.47

R319

1k FB306

J303 MIC

(PLUG IN POWER)

R830

1M

EEPROM

IC804

AK6417AM

C823

UO

CD TUC

1IN

ICM 1+ V

EGR

NOISE

DNG

IC303

 

 

 

 

 

 

NJM2173AV

C327

1000p

C218

C118

FB305

 

2200p

2200p

0

 

 

 

C310

R308

 

 

1000p

0

(CHASSIS)

NV

0.1

C332

SCK0

SDO0

SDI0

XCS VCC

SK XBUSY

DI RST

DO GND

C112

1

10 6.3V

C322

47 6.3V

J301

E3

E4

C213

47

4V

L303

10H

C324

C116

C216

10

1000p

1000p

6.3V

 

 

 

R316

Q302

 

 

2SA2018TL

 

 

100k

 

 

B+ SWITCH

 

 

 

 

 

R320

R302

C330

XOCTL

10k

1k

0.1

 

 

R307

 

LINE IN

(OPTICAL)

OPTICAL

RECEIVER

E5

KCT

C308

D

0.1

A/D CONVERTER

IC301

AK5354VT

(Page 40)

DPX

SCX

0KC S

0OD S

KCR L

652 S

 

KCB X

TDD A

 

 

 

 

 

F

 

 

 

 

 

1k

1k

 

 

 

 

R310

 

 

R305

R304

 

 

 

 

 

 

 

 

 

 

0

NDP

NSC

KLC C

TIDC

 

KCLR

KLC M

LKBC

TODS

1IN L

1IN R

2IN L

2IN R

 

MOVC

DNG A

VA

DV

 

 

 

C305

3V.6 2.2

 

 

C301

3V.6 47

C317

C318

C319

22

47

0.01

6.3V

6.3V

 

R104,204

4.7k (FR)

10k (EXCEPT US,FR)

22k (US)

 

 

 

10k

10k

 

C101,201

 

R204

R207

R107

R104

 

 

 

 

 

 

 

0.47 (US)

R201

 

 

 

 

 

2.2 (EXCEPT US)

C315

 

 

 

 

22k

 

 

 

 

 

 

1

 

 

 

 

 

 

C314

 

 

 

 

C201

R203

10

 

 

 

 

6.3V

 

 

 

B1

47k

 

 

 

 

 

 

 

 

 

 

 

 

 

B2

C101 R103

47k

R303

R10147

22k

L301

C103

10H

2200p

 

 

C110

1

 

 

 

 

 

 

 

C210

1

 

 

 

 

 

 

 

 

 

 

 

 

R211

R111

SX

EUT

BEEP

 

 

 

 

22k

22k

 

 

 

 

0.5%

0.5%

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

Q301

 

 

 

 

 

 

 

 

SC4738FL

 

 

 

 

 

 

 

REFERENCE

 

 

 

R309 220k

 

 

C320

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

4V SWITCHING

 

 

 

 

 

 

4.7

 

 

 

 

 

 

 

 

 

R306

22k

 

 

 

 

 

 

 

R315

10k

 

STB

EUTM

WSTBS

EPBE

DNG

VREF IN

 

 

 

 

 

 

 

 

TCMT

 

 

 

 

VREF

 

 

VCC

 

 

 

 

LPF1

 

 

IN R

 

 

 

 

 

NF1

 

 

 

HEADPHONE AMP

 

 

 

 

 

IN L

 

IC302

 

LPF2

 

 

 

 

TA2131FL

 

 

 

 

 

OUTB BEEP

D

 

 

 

NF2

 

 

 

 

 

 

 

 

 

C312

OUTA BEEP

NG PW

RT UO

 

 

 

 

ETD

 

BST

 

2.2

 

 

 

 

 

+B

OUT L

AGC IN

 

 

R112

47k

0.5%

R212

47k

0.5%

C316

10

4V

C211 C111

100p 100p

C340

0.1

F801

R3110.25A

1M125V

DIN1

XJDET

OPDET

C321

0.1

C331

1000p

FB301

FB302 0

C336

FB304

220p

0

 

100

 

R317

100

C325

C326

R318

1000p

1000p

1k

RVDD

DTCK

KEY-R

RGND

HP-GND

HP-L

HP-R

LINE IN

JACK

J302

C306 C302

0.10.1

C307

C335

C102

4700p

C202

4700p

C105

0.22

C203

2200pR106

10

 

C104 5V. 2 220

 

C205

 

 

0.22

C311

C204

R206

220

0.1

10

2.5V

 

 

Z-4. 02DZ2

Z-4. 02DZ2

1000p

1000p

1.0

D201

D101

C206

C106

C334

FB303

0

D301

NNCD6.8H

0.1 10

6.3V

R826

0

R105

4.7k

R205

4.7k

R855

R853

0

0

R864

100k

R810

100k

R863

100k

C830

0.1

ZZ1

SK2

SK1

XHOLD

ZZ2

ZZ3

PAUSE

LS

XL

SDO0

SCK0

LR

CN801

 

15P

 

SET KEY 2

 

DGND1

 

SET KEY 1

R849

0

 

HOLD

 

XWK1

R850

0

R851

REC

0

 

PAUSE

 

S GND

 

STB

 

CS

 

SDO

FB805

0

 

SCK

RST

DVDD

SWITCH

&

LCD

MODULE

E8

E9

E10

E11

C1

(Page 38)

-1 -2

Q801

XP1501

RESET SWITCH

C826

0.22

DGND2

 

 

The components identified by mark 0or dotted

Les composants identifiés par une marque 0sont

 

 

line with mark 0are critical for safety.

critiques pour la sécurité. Ne les remplacer que

41

41

Replace only with part number specified.

par une pièce portant le numéro spécifié.

 

 

 

 

Image 41
Contents 873-458-01 SpecificationsMZ-N707 Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingSystem 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 Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode N u a lSELF-DIAGNOSIS Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method 8 S 1 BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset the Error Display Code Description of Indication HistoryV r Sound Skip Check Result Display ModeA t U l R s R y M p # # # # # # L a Y * * 0C O K * * 8 T O K * * 8S N V C C Section Electrical AdjustmentsS O K ? S e tT F l g * * 7 C d G n * * 3R e c 0 * * 7 R e c 1 * * 7P b 3 * * 7 P b 2 * * 7P b 4 * * 7 U m * * 8H P W M * * 7 Power Supply Manual AdjustmentL P W M * * 7 P w m H * * 7 P w m L * * 7C p w L * * 7 C p w H * * 7S e r T T m p * * 0E f P w I t P wMain Board Component Side IC501S t S y * * 0S y 1 CD and MO Overall Adjustment Items Adjustment Method of CD and MO Overall Adjustment Mode# # # S 0 0 0 Resume Clear Setting MethodS C l r 0 Resume ClearServicing Notes PreparationPre-check Rewriting the Patch DataMZ-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 DVSS0 DRAMVSS0DVDD0 SSB DataVG CTL TrstAout SEL REC OPR LEDVbus DET Vref MONWK DET REC KEYVrefl DavddAoutl VrefrDVDD3 DVSS3IFVDD3 IFVSS3Flashvss 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.