Sony MZ-R700 service manual IC601, IC901

Page 45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MZ-G750/R700

 

IC601

XPC18A22FCR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGC

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

20

RF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

LI 1

PGND1

PGND1

LI 2

 

 

 

 

 

IC901

XPC18A32FCR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIF

VA

 

VAFB

 

 

 

VDFB

 

 

 

 

 

VIFFB

 

 

 

GND

 

VC

VCO

VC

VC OUT L1 NC

PGND1

PGND1

 

 

 

42

41

 

40

 

 

 

39

 

 

 

 

 

38

 

 

 

37

 

36

35

34

33 32 31 30 29

 

NC 43

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT SW

 

 

28

L1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

 

VD

44

 

 

SERIES PASS

 

SERIES PASS

 

SERIES PASS

 

 

 

 

 

 

VC

 

 

 

OUTPUT SW

 

 

 

 

 

 

 

 

 

VG

 

 

 

VC2

45

 

REGULATOR VA

 

REGULATOR VD

 

REGULATOR VIF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

+

27

RF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC

 

VC

VC

 

 

 

 

 

 

 

 

 

 

 

26

INM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEP-UP

PWM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRE DRIVER

25

DTC1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST 46

OUTPUT SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRST 47

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

24

DTC2

RSTREF

48

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BANDGAP

 

 

 

 

 

+

23

RF2

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

22

INM2

 

 

VB

 

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

50

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

 

 

 

21

PWM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

51

VC

 

 

 

 

 

 

 

 

 

VG

 

VG

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSTB

 

 

VC

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

STEP-UP

 

 

 

20

PWM2

CLKSEL

52

 

 

 

 

 

 

 

 

 

SWITCH 2

PRE DRIVER

VB

VB VC VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VAIFON

53

 

 

SYSTEM

 

 

 

 

 

 

 

 

 

 

 

 

STEP-UP

 

19

VG

FFCLR

54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

START-UP

DC/DC

18

LG

SLEEP 55

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

 

 

 

 

 

VSTB

 

 

 

 

 

 

 

 

 

CONVERTER

17

PGND2

CLK

56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT SW

 

 

 

 

16

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

NC

 

 

1

2

3

4

5

6

 

7

8

9

10

11

12

13

14

 

 

 

 

 

 

 

VLON

XWK1

XWK2

XWK3

XWK4

VSTB

 

VRMC

GND

VL

VLO

VL

L2

PGND2

PGND2

 

 

 

 

 

45

Image 45
Contents MZ-G750/R700 SpecificationsMZ-G750/R700 Flexible Circuit Board RepairingElectrical Adjustments Table of ContentsDisassembly DiagramsOptical PICK-UP Flexible Board Section Servicing NoteMZ-G750 Section GeneralMZ-R700 Section Disassembly Panel ASSY, LowerPanel ASSY, Upper Main Board LCD ModuleMD Mechanism Deck Service ASSY, OPMotor Flexible Board Holder AssyMOTOR, DC M601, MOTOR, DC M603 MOTOR, DC M602Section Test Mode 8888eVersion Ver 1.200 00 Manual Mode Configuration of Test ModeTransition method in Manual Mode ManualSelf-Diagnosis Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method LrefPw 1D 0Description of Error Indication Codes Reset the error display codeSetting method of Reset the Error Display Code Description of Indication HistorySound Skip Check Result Display Mode Key Check ModeRPLAY SET OK ResNV CC 0 Reset! 0Res OK? 0 ResV5num V1datV5dat AssyLaser SetTmpLrefPw HrefPwMain Boardside a Configuration of overall adjustmentElectrical Offset Adjusting Method Overall Adjustment Mode Title DisplayAdjustment Method of Overall CD and MO Adjustment Mode OfstResume CC 0 Patch Data Rewriting When Nonvolatile Memory was ReplacedResClr PatClr CC 00D581E Patch 00 00D5900 0D59B20D6204 0D62000D6500 0D65200D6400 0D61200D64F4 0D651C0D6CF6 0D6C000D6D00 0D6D1C0D751C 0D75000D7600 0D7603IC PIN Function Description Section DiagramsMIC Sense Pause KEYMIFVSS3 SET KEYDSPVSS0 DSPVDD0Xtsl LrckSlcu SldwSlcv SlcwGND SW Open Close SWSET CODE0 SET CODE2Sycn REC Xhold SWFlashvdd FlashvssBoard Block Diagram Servo SectionMain Board Block Diagram Audio SectionMain Board 3/3 System CONTROL/POWER Section Block Diagram System Control / Power SectionMain Board Side a Printed Wiring Board Main SectionMotor Flexible Board Waveforms Common note on Schematic DiagramIC B/D 184 R104,204 Except US model10k US model 33k IC551 SC111257FCR2 IC501 SN761057DBTIC303 IC1006 XC6371C271PR MZ-G750IC901 IC601IC302 TA2131FL IC301 AK5354VTSection Exploded ViewsPanel Section 56 @ Chassis Section101 102 103 104 MD Mechanism Deck Section MT-MZR700-172122 110 112 111 109 103 117 119 120 118 105 106 108 107 115 121Resistors Main Electrical Parts ListMain Short FET Filter Miscellaneous Revision History

MZ-R700 specifications

The Sony MZ-R700 is a compact digital minidisc recorder that has made a significant mark in the portable audio landscape since its introduction. Known for its outstanding sound quality and portable design, it appeals to audiophiles and casual listeners alike. The MZ-R700 is lauded for its ability to record and playback high-quality audio, making it a go-to device for musicians, DJs, and anyone who values sound fidelity.

One of the main features of the MZ-R700 is its ability to record music in various formats. It supports the ATRAC (Adaptive Transform Acoustic Coding) compression format, which allows users to store more audio data on a minidisc while maintaining remarkable sound clarity. This technology ensures that even with compression, the audio remains rich and engaging.

The MZ-R700 comes equipped with a digital recording feature, enabling users to transfer tracks directly from CDs or other digital sources without sacrificing quality. It is compatible with a wide range of digital audio formats, allowing for flexibility in recording options. Additionally, the device offers various recording modes, giving users the choice between standard quality and long-play modes, depending on their needs.

Portability is a key characteristic of the MZ-R700. Weighing just a few ounces and featuring a sleek, ergonomic design, it fits comfortably in the hand and can easily be carried in a pocket or bag. Its user-friendly interface includes an LCD screen that displays track information, making it easy for users to navigate through their music library.

Another notable feature is its battery efficiency. The MZ-R700 is powered by a rechargeable lithium-ion battery, providing extended playback time. Users can enjoy hours of continuous music playback, making it perfect for long journeys or outdoor activities.

The popular mic input allows for live recordings, a feature that musicians and podcasters find particularly beneficial. Moreover, the unit supports various input options, including a line-in and a 3.5mm microphone jack, ensuring versatility for different recording needs.

In summary, the Sony MZ-R700 is a robust and feature-rich digital minidisc recorder that combines portability, superior sound quality, and user-friendly design. With advanced recording technologies and efficient battery life, it caters to a variety of audio enthusiasts, making it a remarkable choice for portable sound recording and playback.