•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

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