MZ-G750/R700

SERVICE MANUAL

US Model

Ver 1.1 2001. 02

Canadian Model

AEP Model

 

 

UK Model

 

E Model

 

Australian Model

 

Tourist Model

 

Chinese Model

 

(Photo: MZ-G750)

US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism

NEW

 

 

Mechanism Type

MT-MZR700-172

 

 

Optical Pick-up Name

LCX-4R

 

 

SPECIFICATIONS

MD recorder

Modulation system

General

Audio playing system

EFM (Eight to Fourteen Modulation)

Power requirements

MiniDisc digital audio system

Number of channels

Sony AC Power Adaptor (supplied)

Laser diode properties

2 stereo channels

connected at the DC IN 3 V jack:

Material: GaAlAs MQW

1 monaural channel

120 V AC, 60 Hz (U.S.A.,Canadian and

Wavelength: λ = 790 nm

Frequency response

Taiwan model)

Emission duration: continuous

20 to 20,000 Hz ± 3 dB

230 V AC, 50/60 Hz (AEP model)

Laser output: less than 44.6 W

Wow and Flutter

240 V AC, 50 Hz (Australian model)

(This output is the value measured at a

Below measurable limit

220 V AC, 50 Hz (Chinese model)

distance of 200 mm from the lens surface

Inputs

230-240 V AC, 50 Hz (UK and Hong

on the optical pick-up block with 7 mm

Microphone: stereo mini-jack, minimum

Kong model)

aperture.)

input level 0.25 mV

220 V AC, 50 Hz (Argentina model)

Recording and playback time

Line in: stereo mini-jack, minimum input

110/220 V AC, 60 Hz (Korean model)

When using MDW-80

level 49 mV

100-240 V AC, 50/60 Hz (Other models)

Maximum 160 min. in monaural

Optical (Digital) in: optical (digital) mini-

Nickel cadmium rechargeable battery

Maximum 320 min. in stereo

jack

NC-WMAA (supplied)

Revolutions

Outputs

LR6 (size AA) alkaline battery (not

350 rpm to 2,800 rpm (CLV)

i: stereo mini-jack, maximum output level

supplied)

Error correction

5 mW + 5 mW, load impedance 16 ohm

 

ACIRC (Advanced Cross Interleave Reed

Radio (MZ-G750)

 

Solomon Code)

Frequency range

 

Sampling frequency

AM: 530-1,710 kHz (US,Canada, and

 

44.1 kHz

Central and South America models)

 

Sampling rate converter

531-1,602 kHz (Other models)

– Continued on next page –

Input: 32 kHz/44.1 kHz/48 kHz

FM: 87.5-108.0 MHz

 

Coding

ATRAC (Adaptive TRansform Acoustic

Coding)

ATRAC3-LP2

FM/AM PORTABLE MINIDISC RECORDER

 

ATRAC3-LP4

 

 

MZ-G750

 

PORTABLE MINIDISC RECORDER

 

MZ-R700

9-873-045-12Sony Corporation

2001B0400-1Audio Entertainment Group

© 2001. 2

General Engineering Dept.

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Sony MZ-R700 service manual MZ-G750/R700, Specifications

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.