Sony MZ-S1 service manual 336 ###S, 741 AD, 771 AD, 772 AD, 773 AD, 774 AD, 775 AD, 776 AD

Page 21

•Change of NV Adjusted Values (version 1.100)

Caution: Change the NV adjustment values according to the mi- crocomputer version.

In this set, some adjusted values were set in the manual mode at the shipment, but these will be cleared when the NV is reset. Therefore, modify the NV adjusted values through the following procedure immediately after the NV was reset.

1.Item numbers in which the NV adjusted values are to be modi- fied

–Change ABCD gain [Hpit] initial value (item number 336) Caution: The ABCD gain [Hpit] initial value must be changed before the overall adjustment.

–Change BatFlg value (item number 741)

–Change NiRec0 to 4 values (item numbers 771 to 775)

–Change NiPb 1 to 4 values (item numbers 776 to 779, 781)

–Change CLV drive voltage limiter (item numbers 865, 866)

–Change x2 CLV speed gain, +6dB compared to conventional (item numbers 867, 868)

–Change x2 CLV phase gain, +3dB compared to conventional (item numbers 871, 872)

–Change x2/x1 switching temperature threshold value (+10° C t +5° C) (item numbers 873, 874)

2.NV adjusted values modifying procedure

1)Select manual mode of the test mode, and set item number 336 (see page 16).

Set LCD display

336###S**

###: Address

**: Adjusted value

2)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 08.

3)Press the X key to write the adjusted value.

4)Select manual mode of the test mode, and set item number 741 (see page 16).

Set LCD display

741AD **

**: Adjusted value

5)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 02.

6)Press the X key to write the adjusted value.

7)Select manual mode of the test mode, and set item number 771 (see page 16).

Set LCD display

771AD **

**: Adjusted value

8)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 6E.

MZ-S1

9)Press the X key to write the adjusted value.

10)Select manual mode of the test mode, and set item number 772 (see page 16).

Set LCD display

772AD **

**: Adjusted value

11)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 7C.

12)Press the X key to write the adjusted value.

13)Select manual mode of the test mode, and set item number 773 (see page 16).

Set LCD display

773AD **

**: Adjusted value

14)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 7D.

15)Press the X key to write the adjusted value.

16)Select manual mode of the test mode, and set item number 774 (see page 16).

Set LCD display

774AD **

**: Adjusted value

17)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 7F.

18)Press the X key to write the adjusted value.

19)Select manual mode of the test mode, and set item number 775 (see page 16).

Set LCD display

775AD **

**: Adjusted value

20)Adjust with the [VOL +] key (adjusted value up) or [VOL --]key (adjusted value down) so that the adjusted value becomes 81.

21)Press the X key to write the adjusted value.

22)Select manual mode of the test mode, and set item number 776 (see page 16).

Set LCD display

776AD **

**: Adjusted value

21

Page 20 Page 22
Image 21
Page 20 Page 22
Contents MZ-S1 SpecificationsInputs MZ-S1Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingOptical PICK-UP Flexible Board MZ-S1 Section Servicing NotesSystem requirements Looking at the controls MZ-S1 Section GeneralDisassembly Flow MZ-S1 Section DisassemblyCase Lower Section Buckle Upper ASSY, Battery Case LID Mechanism Deck MT-MZN707-177 Case Upper SectionMain Board SET Chassis AssyGear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyOrnament R, Switch Unit V1.100 MZ-S1 Section Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Manual000 0FEJCC 000 C68SCC000 063BCC 000 025ACCDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset The Error Display Code Description of Indication History000 P**R Sound Skip Check Result Display Mode004 004 FFMZ-S1 Section Electrical Adjustments Reset021 ###SCC ResOK?741 AD 336 ###S771 AD 772 AD778 AD 777 AD779 AD 865 ###S872 ###S 871 ###S873 ###S 874 ###S765 AD 764 AD766 AD 767 ADLaser Laser Power Check011 ###S 012 ###SMain Board Component Side IC501Assy11 AssyOfst OfstOK000 *** NG CD and MO Overall Adjustment ItemsCD OK MO OK043 ###S00 Resume Clear Setting Method043 Res ResClrServicing Notes PreparationPre-Check Rewriting the Patch DataMZ-S1 Block Diagram SERVO/USB Section MZ-S1 Section DiagramsBlock Diagram Audio Section Switch & LCD Mudule Block Diagram DISPLAY/KEY CONTROL/POWER Supply SectionLead Layouts Main Board Semiconductor LocationIC801 Components identified by mark 0or dotted F2MW 38 B5 Schematic Diagram Main Board 3/4 See page 42 for WaveformsTckd 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057ADBT IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataKDI KCSTrst VG CTLVbus DET LCD RSTWK DET REC KEYVsiosc OscoDavdd VreflDVDD3 DVSS3IFVDD3 IFVSS3EVA FlashvddFlashvss Chassis section Case lower section Section Exploded ViewsMT-MZN707-177 Main board section Chassis Section101 106 105 104 102 103 107 Main Board SectionCase Lower 170171 213 204 205 206 207 212 208 203 202 209 210 201 211 301 302 308 306 303307 304 305 309 310311 354 358 357 356 355352 351 359 361 360 363MZ-S1 Main Section Electrical Parts ListCAP-CHIP XPC18A22AFCR2 Switch OPEN/CLOSE Detect Line Filter Memo Revision History

MZ-S1 specifications

The Sony MZ-S1 is a portable MiniDisc recorder that reflects Sony's commitment to innovation in the realm of digital audio technology. Launched in the early 2000s, this model stood out for its sophisticated design and advanced features, catering to audiophiles and casual listeners alike. The MZ-S1 was particularly popular for its ability to record audio in a compact format, making it an attractive option for those who desired high-quality sound in a portable package.

One of the defining characteristics of the MZ-S1 is its use of MiniDisc technology, which allowed users to record and store audio with impressive sound quality. It leveraged Sony’s ATRAC (Adaptive Transform Acoustic Coding) compression, ensuring that recordings maintained clarity while efficiently utilizing disk space. The MZ-S1 supported various recording modes, including SP (Standard Play) and LP (Long Play), providing flexibility in terms of sound quality and recording duration. This capability made the MZ-S1 an ideal choice for musicians looking to record rehearsals, as well as for consumers wanting to create custom playlists.

The MZ-S1 features a sleek, compact design that embodies the portability and aesthetics of early 2000s electronics. Its user-friendly interface is complemented by an LCD display that provides essential information such as track numbers, remaining recording time, and battery life. Additionally, the MZ-S1 was equipped with various connectivity options, including a line-in for direct recording from external sources and a headphone jack with volume control for private listening.

Powering the device was a rechargeable battery, which allowed for extended use without the need for constant replacements. The MZ-S1 also featured a durable construction, appealing to users who needed a reliable audio recorder for travel or outdoor use. This model proved particularly popular among students, journalists, and music enthusiasts, as its compact size and high-quality output made it an indispensable tool for capturing audio on the go.

Moreover, the MZ-S1 allowed users to edit tracks directly on the device, facilitating seamless transitions between recordings. With its blend of innovative features, robust technology, and portable design, the Sony MZ-S1 remains a noteworthy piece of audio equipment, encapsulating an era of digital audio evolution that paved the way for modern music consumption.
Top Page Image Contents