Sony MZ-N707 service manual IC601 XPC18A22AFCR2

Page 46

MZ-N707

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC601 XPC18A22AFCR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VRECIN1

OUTA

PGND2

PGND2

OUTB

VRECIN2

VG

 

HB

 

PGND3

 

HA

 

 

 

VG3

C2H

C2L

 

VG2

 

 

 

 

42

41

40

39

38

37

36

 

35

 

34

 

33

 

VG3

32

31

30

 

29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG2

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

VG2

VG3

 

 

 

 

VC2

VG

 

 

 

 

 

 

OUTPUT SW

 

 

 

 

OUTPUT SW

 

 

 

CHARGE

 

CHARGE

28 C1H

 

 

VC VG DC IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUMP 2

 

PUMP 1

27 C1L

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

HI-BRIDGE

 

 

 

 

 

 

EFM

 

 

 

 

 

 

 

 

 

 

VB 43

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

VC2

 

PRE DRIVER

 

 

 

 

PRE DRIVER

 

 

 

 

 

 

 

 

 

 

MONITOR

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

VREF

BATM

44

X2/X4

 

 

 

 

VG3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC IN

 

CONTROL

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

24

CVREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHARGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

GND

CHGSW

45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

DW BT

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

DW TP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS

46

BATTERY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

RF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

INP2 47

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHARGER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC AMP

19

INM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INM2 48

&

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

INP1

RF2

49

REGULATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG2

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

DTC

DCIN

50

DC IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHGMON 51

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

PWM

 

 

16

VREC

DC IN

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM

 

 

 

 

 

 

 

 

 

 

 

 

 

DC IN

 

DC IN

 

 

 

 

 

 

 

 

 

 

SET-UP DOWN

 

 

 

 

SVREF

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRE DRIVER

 

 

 

 

BANDGAP

 

DETECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND 53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO

 

 

 

 

 

 

SW

 

 

GAIN

54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEVEL

 

 

 

 

 

 

 

 

 

 

 

 

CHG 55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHIFT

 

 

 

 

 

OUTPUT SW

 

 

15

VRECO2

DREG 56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

 

 

 

 

 

 

 

 

 

 

 

SW

RECON

OE

CLK

RI

FI

EFM

VIO

VC

VRECO1

LI1

PGND1

PGND1

LI1

 

 

 

IC702 XC6367A361MR

 

 

 

 

 

VOUT

1

 

 

PHASE

 

 

 

 

 

 

 

COMPENSATION

 

 

 

 

VDD

2

 

 

 

PWM

 

 

 

 

 

 

+

 

COMPARATOR

 

 

 

 

 

 

 

+

BUFFER,

 

EXT

 

 

 

ERROR

 

5

 

 

 

 

DRIVER

 

 

 

 

 

 

 

 

 

AMP

 

 

 

 

 

 

 

VREF WITH

 

PWM/PFM

RAMP WAVE

 

 

CE

3

SOFT START,

 

GENERATOR,

4

GND

CONTROLLER

 

 

CE

OSC

 

 

 

 

 

 

 

 

 

 

46

Image 46
Contents Specifications 873-458-01MZ-N707 Diagrams Table of ContentsDisassembly 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 Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeTransition Method in Manual Mode Configuration of Test ModeManual Mode N u a lSelf-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSELF-DIAGNOSIS Result Display Mode 8 S 1 BSetting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication HistoryA t U l R s R y M p # # # # # # Sound Skip Check Result Display ModeV r L a Y * * 0T O K * * 8 C O K * * 8S O K ? Section Electrical AdjustmentsS N V C C S e tR e c 0 * * 7 C d G n * * 3T F l g * * 7 R e c 1 * * 7P b 4 * * 7 P b 2 * * 7P b 3 * * 7 U m * * 8L P W M * * 7 Power Supply Manual AdjustmentH P W M * * 7 C p w L * * 7 P w m L * * 7P w m H * * 7 C p w H * * 7E f P w T T m p * * 0S e r 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 ItemsS C l r 0 Resume Clear Setting Method# # # S 0 0 0 Resume ClearPre-check PreparationServicing Notes 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 DVDD0 DRAMVSS0DVSS0 SSB DataAout SEL TrstVG CTL REC OPR LEDWK DET Vref MONVbus DET REC KEYAoutl DavddVrefl VrefrIFVDD3 DVSS3DVDD3 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.