Sony MZ-R700 service manual Ofst, NG of 0, Overall Adjustment Mode Title Display

Page 22

MZ-G750/R700

• Overall Adjustment Mode (Title Display)

This set LCD display

 

Assy

0 00

: (Disc mark) At end power supply adjustment:Outside lit At end of electrical offset adj.:inside lit

Note:On the set having microcomputer version 1.000,the disc mark is displayed on the set LCD only.

:Left side = MO overall adjustment information F : MO overall adjustment completed

1 : Manual adjustment exists(overall adj.not completed)

0 : Not adjusted

Right side = CD overall adjustment information

F : CD overall adjustment completed

1: Manual adjustment exists(overall adj.not completed)

0: Not adjusted

•Electrical Offset Adjusting Method

Caution: The electrical offset adjustment must be made with no disc loaded.

1.Make sure that the power supply voltage is 3V.

2.Set the test mode (see page 12).

3.Press the . or [VOL--]key to activate the overall adjustment mode.

This set LCD display

Assy 11

0 00

4.Press the [ENTER] key.

This set LCD display

Ofst

0 35

:Adjusted value

5.Electrical offset adjustment is over, if the following display appears.

This set LCD display

 

OfstOK

0 00

•Adjustment Method of Overall CD and MO Adjustment Mode

1.Setting the test mode (see page 12).

2.Press the . or [VOL --]key activates the overall adjust- ment mode.

This set LCD display

Assy 11

0 00

3.Insert CD disc in the set, and press the . key to set the Overall CD Adjustment mode. Automatic adjustments are made.

This set LCD display

CD RUN

X XX

XXX: Item number for which on adjustment is being executed.

4.In case of CD overall adjustment NG, reset the NV (see page 18), then readjust from the temperature correction (see page 20).

This set LCD display

NG OF 0 00

:NG item number

5.If OK through the overall CD adjustments, then perform over- all MO adjustments.

This set LCD display

CD OK

0 00

6.Insert MO disc in the set, and press the > key to set the Overall MO Adjustment mode. Automatic adjustments are made.

This set LCD display

MO RUN

X XX

XXX: Item number for which on adjustment is being executed.

7.In case of MO overall adjustment NG, reset the NV (see page 18), then readjust from the temperature correction (see page 20).

This set LCD display

NG OF 0 00

:NG item number

8.If OK through the overall MO adjustments, press the x key to return to the test mode and terminate the Overall Adjustment mode.

This set LCD display

MO OK

0 00

22

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Contents Specifications MZ-G750/R700Flexible Circuit Board Repairing MZ-G750/R700Disassembly Table of ContentsElectrical Adjustments DiagramsSection Servicing Note Optical PICK-UP Flexible BoardSection General MZ-G750MZ-R700 Panel ASSY, Lower Section DisassemblyPanel ASSY, Upper LCD Module Main BoardService ASSY, OP MD Mechanism DeckHolder Assy Motor Flexible BoardMOTOR, DC M602 MOTOR, DC M601, MOTOR, DC M6038888e Section Test ModeVersion Ver 1.200 00 Transition method in Manual Mode Configuration of Test ModeManual Mode ManualSelf-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSelf-Diagnosis Result Display Mode LrefPw 1D 0Setting method of Reset the Error Display Code Reset the error display codeDescription of Error Indication Codes Description of Indication HistoryKey Check Mode Sound Skip Check Result Display ModeRPLAY SET OK Res OK? 0 Reset! 0ResNV CC 0 ResV5dat V1datV5num AssyLrefPw SetTmpLaser HrefPwConfiguration of overall adjustment Main Boardside aAdjustment Method of Overall CD and MO Adjustment Mode Overall Adjustment Mode Title DisplayElectrical Offset Adjusting Method OfstResClr Patch Data Rewriting When Nonvolatile Memory was ReplacedResume CC 0 PatClr CC 00D5900 Patch 00 00D581E 0D59B20D6500 0D62000D6204 0D65200D64F4 0D61200D6400 0D651C0D6D00 0D6C000D6CF6 0D6D1C0D7600 0D75000D751C 0D7603Section Diagrams IC PIN Function DescriptionMIFVSS3 Pause KEYMIC Sense SET KEYXtsl DSPVDD0DSPVSS0 LrckSlcv SldwSlcu SlcwSET CODE0 Open Close SWGND SW SET CODE2Flashvdd Xhold SWSycn REC FlashvssBlock Diagram Servo Section BoardBlock Diagram Audio Section Main BoardBlock Diagram System Control / Power Section Main Board 3/3 System CONTROL/POWER SectionPrinted Wiring Board Main Section Main Board Side aMotor Flexible Board Common note on Schematic Diagram WaveformsIC B/D 184 R104,204 Except US model10k US model 33k IC303 IC501 SN761057DBTIC551 SC111257FCR2 IC1006 XC6371C271PR MZ-G750IC601 IC901IC301 AK5354VT IC302 TA2131FLExploded Views SectionPanel Section Chassis Section 56 @122 110 112 111 MD Mechanism Deck Section MT-MZR700-172101 102 103 104 109 103 117 119 120 118 105 106 108 107 115 121Main Electrical Parts List ResistorsMain 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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