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

 

 

 

3

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