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

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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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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 Panel ASSY, Lower Section DisassemblyPanel ASSY, Upper Main Board LCD ModuleMD Mechanism Deck Service ASSY, OPMotor Flexible Board Holder AssyMOTOR, DC M601, MOTOR, DC M603 MOTOR, DC M6028888e Section Test ModeVersion 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 HistoryKey Check Mode Sound Skip Check Result Display 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 AK5354VTExploded Views SectionPanel 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.
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