Sony MZ-N1 service manual 873 V6 num, 874 V6 dat

Page 21

MZ-N1

38)Select manual mode of the test mode, and set item number 873 (see page 14).

Remote commander LCD display

873 V6 num **

**: Adjusted value

39)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes BB.

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

41)Select manual mode of the test mode, and set item number 874 (see page 14).

Remote commander LCD display

874 V6 dat **

**: Adjusted value

42)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes 05.

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

•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 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 14).

Remote commander LCD display

336 AbcdGn **

**: Adjusted value

2)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]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 865 (see page 14).

Remote commander LCD display

865 V3 num **

**: Adjusted value

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

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

7)Select manual mode of the test mode, and set item number 866 (see page 14).

Remote commander LCD display

866 V3 dat **

**: Adjusted value

8)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes B9.

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

10)Select manual mode of the test mode, and set item number 867 (see page 14).

Remote commander LCD display

867 V4 num **

**: Adjusted value

11)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes C9.

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

13)Select manual mode of the test mode, and set item number 868 (see page 14).

Remote commander LCD display

868 V4 dat **

**: Adjusted value

14)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes 80.

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

16)Select manual mode of the test mode, and set item number 871 (see page 14).

Remote commander LCD display

871 V5 num **

**: Adjusted value

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

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

19)Select manual mode of the test mode, and set item number 872 (see page 14).

Remote commander LCD display

872 V5 dat **

**: Adjusted value

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

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

22)Select manual mode of the test mode, and set item number 873 (see page 14).

Remote commander LCD display

873 V6 num **

**: Adjusted value

23)Adjust with the [VOLUME +] key (adjusted value up) or [VOL- UME --]key (adjusted value down) so that the adjusted value becomes BB.

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

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Contents 873-443-01 SpecificationsMZ-N1 Battery lifeDisassembly Table of ContentsDiagrams Flexible Circuit Board RepairingSystem requirements MZ-N1 Section Servicing NotesRecorder Section GeneralDisassembly Flow MZ-N1 Section DisassemblyUpper Panel Section Bottom Panel AssyMain Board Section LCD MODULE, Upper Panel AssyMD Mechanism Deck MT-MZN1-171, Chassis Assy Battery Case ASSY, Main BoardGear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyOver write head up/down Setting Method of Test Mode MZ-N1 Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition method in manual mode A n u a lF F J 0 011 C 6 8 S 0011 0 6 3 B 0 011 0 5 9 a 0Description of error indication codes Reset the Error Display CodeSetting method of reset the error display code Description of indication historyPush 000 P * * R000 JOG+ 000 JOG+OKRPLAY SET OKRMC OK MZ-N1 Section Electrical Adjustments ResetResNV CC ResOK?Dfct AbcdGn861 V1 num 862 V1 dat874 V6 dat 873 V6 numVclPWM Power Supply Manual AdjustmentVLpwmL VLpwmHRECpwH RECpwLVdpwm SetTmpIC301 WritPwAssy11 AssyOfst OfstOKCD OK 000 *** NGMO OK Resume CCServicing Notes PreparationPre-check Rewriting the patch dataMZ-N1 MZ-N1 Block Diagram SERVO/USB Section MZ-N1 Section DiagramsBeep Mute HP/L Block Diagram Audio SectionBlock Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Semiconductor LocationIC301 See page 41 for IC Block Diagrams Schematic Diagram Main Board 1/4Flah 4S08 Schematic Diagram Main Board 3/4 See page 40 for WaveformsComponents identified by mark 0or dotted MVp-p WaveformsIC302 AN17020A-VB IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32AFCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataTrst KDIVG CTL Aout SELVref MON LCD RSTVbus DET WK DETOsci VdioscOsco VsioscDVSS3 LrckDVDD3 IFVDD3XWE XOEEVA FlashvddKNOB, Balance White . . . RED MZ-N1 Section Exploded ViewsNot supplied Bottom Panel Section107 Chassis Section108 101 102 103 102 104Main BOARD, Complete FR 155 156 157 154 152 153 151312 MD Mechanism Deck Section MT-MZN1-171322 315MZ-N1 Main Section Electrical Parts ListMica Chip IC XC61CN0802NR Except FR Short 505 501 502504 503Revision History
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MZ-N1 specifications

The Sony MZ-N1, a revered model in the world of portable mini-disc players, holds a special place in the hearts of audiophiles and casual listeners alike. Launched as part of Sony's celebrated mini-disc lineup, it exemplifies the innovative spirit of its time with a sleek, compact design and a suite of features that appealed to music lovers.

At the heart of the MZ-N1 is its support for both standard and high-speed recording, allowing users to transfer their favorite tracks from CDs or other sources quickly and efficiently. The unit employs a unique mechanism known as the ATRAC codec, which optimizes audio compression while maintaining sound quality. This technology enables users to fit numerous tracks onto a single mini-disc, transforming how music was stored and played back.

One of its standout features is the inclusion of SonicStage software, which serves as a companion for managing music libraries. Users can edit playlists, transfer tracks, and organize their music collection seamlessly. The player supports various formats, including MP3, making it versatile in its playback capabilities. Additionally, the MZ-N1 is equipped with a backlit display, facilitating easy navigation even in low-light conditions.

Another notable characteristic of the MZ-N1 is its impressive battery life, offering hours of continuous playback on a single charge. This longevity made it an attractive option for users on the go, ensuring that their music would last through long commutes or road trips without interruption.

Furthermore, the MZ-N1 features a headphone amplifier that enhances sound quality, providing a richer audio experience. The player boasts a range of sound customizations, allowing users to adjust equalizer settings to suit their preferred listening style.

In terms of design, the MZ-N1 is compact, lightweight, and sturdy, making it highly portable. The simple, intuitive interface ensures that users can navigate through functions with ease, enhancing the overall listening experience.

Overall, the Sony MZ-N1 stands as a remarkable blend of technology and user-friendly design, showcasing the innovation of the early 2000s portable audio solutions. Its combination of sound quality, flexibility, and battery efficiency has solidified its status as a classic in the realm of mini-disc players. While modern digital music players have largely eclipsed this technology, the legacy of the MZ-N1 endures in the memories of those who experienced its audio marvels.
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