Sony MZ-R700 Table of Contents, Electrical Adjustments, General, Disassembly, Diagrams, Test Mode

Page 3

MZ-G750/R700

 

 

TABLE OF CONTENTS

 

1.

SERVICING NOTE

4

5.

ELECTRICAL ADJUSTMENTS

 

 

 

 

5-1.

Outline

18

2.

GENERAL

 

5-2.

Precautions for Adjustment

18

 

Looking at the Controls (MZ-G750)

5

5-3.

Adjustment Sequence

18

 

Looking at the Controls (MZ-R700)

6

5-4.

NV Reset

18

 

 

 

5-5.

Power Supply Manual Adjustment

19

3.

DISASSEMBLY

 

5-6.

Temperature Correction

20

3-1.

Panel Assy, Lower

7

5-7.

Laser Power Check

20

5-8.

Overall Adjustment Mode

21

3-2.

Panel Assy, Upper

7

5-9.

Resume Clear

23

3-3.

LCD Module

8

5-10. Patch Data Rewriting when Nonvolatile

 

3-4.

Main Board

8

 

 

Memory was Replaced

23

3-5.

MD Mechanism Deck

9

 

 

 

 

3-6.

Service Assy, OP

9

6.

DIAGRAMS

 

3-7.

Holder Assy

10

 

6-1.

IC Pin Function Description

29

3-8.

Motor Flexible Board

10

3-9.

Motor, DC (M602)

11

6-2.

Block Diagram – Servo Section –

35

3-10. “Motor, DC (M601)”, “Motor, DC (M603)”

11

6-3.

Block Diagram – Audio Section –

36

 

 

 

6-4.

Block Diagram – System Control/Power Section –

37

4.

TEST MODE

 

6-5.

Printed Wiring Board – Main Section –

38

4-1.

Outline

12

6-6.

Schematic Diagram – Main Section (1/3) –

41

6-7.

Schematic Diagram – Main Section (2/3) –

42

4-2.

Setting Method of Test Mode

12

6-8.

Schematic Diagram – Main Section (3/3) –

43

4-3. Operation in Setting the Test Mode

12

 

 

 

4-4.

Releasing the Test Mode

12

7.

EXPLODED VIEWS

 

4-5. Configuration of Test Mode

13

 

7-1.

Panel Section

47

4-6.

Manual Mode

13

4-7.

Overall Adjustment Mode

14

7-2.

Chassis Section

48

4-8. Self-Diagnosis Result Display Mode

14

7-3.

MD Mechanism Deck Section

49

4-9. Result the Error Display Code

15

8.

ELECTRICAL PARTS LIST

50

4-10. Sound Skip Check Result Display Mode

16

4-11. Key Check Mode

16

 

 

 

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Contents MZ-G750/R700 SpecificationsMZ-G750/R700 Flexible Circuit Board RepairingDiagrams Table of ContentsElectrical Adjustments DisassemblyOptical 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 Configuration of Test ModeManual Mode Transition method in Manual ModeLrefPw 1D 0 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 CodeSound Skip Check Result Display Mode Key Check ModeRPLAY SET OK Res Reset! 0ResNV CC 0 Res OK? 0Assy V1datV5num V5datHrefPw SetTmpLaser LrefPwMain Boardside a Configuration of overall adjustmentOfst Overall Adjustment Mode Title DisplayElectrical Offset Adjusting Method Adjustment Method of Overall CD and MO Adjustment ModePatClr CC 0 Patch Data Rewriting When Nonvolatile Memory was ReplacedResume CC 0 ResClr0D59B2 Patch 00 00D581E 0D59000D6520 0D62000D6204 0D65000D651C 0D61200D6400 0D64F40D6D1C 0D6C000D6CF6 0D6D000D7603 0D75000D751C 0D7600IC PIN Function Description Section DiagramsSET KEY Pause KEYMIC Sense MIFVSS3Lrck DSPVDD0DSPVSS0 XtslSlcw SldwSlcu SlcvSET CODE2 Open Close SWGND SW SET CODE0Flashvss Xhold SWSycn REC FlashvddBoard 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 IC1006 XC6371C271PR MZ-G750 IC501 SN761057DBTIC551 SC111257FCR2 IC303IC901 IC601IC302 TA2131FL IC301 AK5354VTSection Exploded ViewsPanel Section 56 @ Chassis Section109 103 117 119 120 118 105 106 108 107 115 121 MD Mechanism Deck Section MT-MZR700-172101 102 103 104 122 110 112 111Resistors 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.
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