Sony MZ-R700 service manual Resume CC 0, ResClr, PatClr CC 0, Resume Clear

Page 23

Overall CD and MO adjustment items

1. Overall CD adjustment items

Item No.

Description

 

 

312

 

313

CD electrical offset adjustment

314

 

 

 

321

CD tracking error gain adjustment

 

 

328

CD TWPP gain adjustment

 

 

324

CD tracking error offset adjustment

332

 

 

 

336

CD ABCD gain adjustment

 

 

344

CD focus gain adjustment

 

 

345

CD tracking gain adjustment

 

 

521

CD two-axis sensitivity adjustment

522

 

 

 

MZ-G750/R700

5-9. Resume Clear

Perform the Resume clear when all adjustments completed.

• Resume Clear Setting Method

1.Select the manual mode of the test mode, and set item number 043 (see page 13).

This set LCD display

Resume CC 0 43

2.Press the X key.

This set LCD display

Res

0 43

Resume clear complete

2. Overall MO adjustment items

Item No.

Description

112

 

113

MO electrical offset adjustment

114

 

118

 

 

 

221

Low reflective CD tracking error gain adjustment

 

 

224

Low reflective CD tracking error offset adjustment

232

 

 

 

236

Low reflective CD ABCD level adjustment

 

 

244

Low reflective CD focus gain adjustment

 

 

245

Low reflective CD tracking gain adjustment

 

 

121

MO tracking error gain adjustment

 

 

122

MO TON offset adjustment

 

 

134

MO TWPP gain adjustment

 

 

131

MO double speed read TWPP offset adjustment

132

 

 

 

136

MO ABCD gain adjustment

 

 

144

MO focus gain adjustment

 

 

145

MO tracking gain adjustment

 

 

434

MO write TWPP gain adjustment

 

 

431

MO write TWPP offset adjustment

 

 

432

MO tracking error offset adjustment

 

 

436

MO write ABCD gain adjustment

 

 

445

MO write tracking gain adjustment

 

 

411

MO normal speed read TWPP offset adjustment

 

 

412

MO tracking error offset adjustment

 

 

448

20 sec full recording

 

 

ResClr

0 43

3.Press the x key to return to the test mode (display check mode).

5-10. Patch Data Rewriting When Nonvolatile Memory was Replaced

When the microcomputer in this set is replaced with a different version of microcomputer, it is needed to initialize the modified program data in the nonvolatile memory and write specific modi- fied data for the new version in the memory.

If the microcomputer is replaced with a different version, the patch data should be rewritten as performed when the nonvolatile memory is replaced.

For a version where the method to write patch data is not described, the modified data should be initialized as specified below:

• Initial set of modified data

1.Select the manual mode of the test mode, and set item number 022.

This set LCD display

PatClr CC 0 22

2.Press the X key to initialize the patch data.

(The modified data writing is over, if the adjusted value changes to DD.)

This set LCD display

SDD

0 22

DD: Adjusted value

3.Write specific modified data.

For a version where there is no need for writing specific modi- fied data, the power should be turned off once.

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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 Panel ASSY, Upper Section DisassemblyPanel ASSY, Lower Main Board LCD ModuleMD Mechanism Deck Service ASSY, OPMotor Flexible Board Holder AssyMOTOR, DC M601, MOTOR, DC M603 MOTOR, DC M602Version Ver 1.200 00 Section Test Mode8888e 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 CodeRPLAY Sound Skip Check Result Display ModeKey Check Mode 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 AK5354VTPanel Section SectionExploded Views 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.

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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.