Sony MZ-NF810 service manual Rewriting the NV values

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MZ-NF810/NF810CK

Rewriting the NV values

Caution: The application that meets the microcomputer version in this set must be used when rewriting the NV values. Rewriting the NV values using the application not suitable for the microcomputer version could cause the set to malfunction.

For a checking method of the microcomputer version, see ÒSECTION 4 TEST MODEÓ (page 13).

• Preparation

1.USB cable (attached to the set)

2.Personal computer in which the Net MD Driver has been installed. (For further information, see ÒSystem requirementsÓ (page 4) in

ÒSECTION 1 SERVICING NOTESÓ)

3.Application ÒNVWriterÓ for NV values rewriting

•How to get the application “NVWriter” for NV values rewriting

Contact our service technical support division to get the application.

•Pre-check

1.Check the microcomputer version in this set. (For a checking method of the microcomputer version, see ÒSECTION 4 TEST MODEÓ (page 13).)

2.Check that the Net MD Driver has been installed in the personal computer.

3.Make sure that the set is in the Normal mode.

Note: Do not rewrite the NV values in the Test mode.

• Rewriting the NV values

1.Connect the set to the personal computer with the USB cable.

2.Start the application ÒNVWriterÓ.

3.Make sure that the following window opens.

4.Click the [USB CONNECT] button.

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Contents MZ-NF810/NF810CK Battery life LR6Flexible Circuit Board Repairing On power sourcesSection Servicing Notes System requirementsSection General MZ-NF810/NF810CK Looking at controlsSection Disassembly Disassembly FlowMain Board, Battery Case Case LowerPanel Upper Section LCD Module, Panel Upper BlockMechanism Deck MT-MZN710-177 OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy DC Motor Sled M602Gear HA Section Test Mode Operation in Setting the Test ModeSetting Method of Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition method in manual mode 1. Set the test mode see A n u a l011 C 6 8 S 0 F F J 0011 0 6 3 B 0 011 0 5 9 a 0Reset the Error Display Code Description of error indication codesSetting method of reset the error display code Description of indication history000 P * * R 000000 FF RP PUSResOK? E sE s e t SetTmp741 VC1 L 742 VC1 H743 VC2 Lo 744 VC2 Hi748 REG3L2 749 REG3 HVrec L Vrec MChgV L 757 CILChgV H 758 CIHAdjustment/checking and Connection Location Power Supply Adjustment Auto Item Feed Configuration of power supply adjustment auto item feedAssy ADJ OKLaser LrefpwHrefPw WrPwLoAssy11 000 *** NGCD OK MO OKMO overall adjustment items Resume Clear Setting Method 043Resume043 Res ResClrRewriting the Patch Data at Replacement of Main Board IC851 PreparationPre-check Rewriting the Patch DataMZ-NF810/NF810CK MZ-NF810/NF810CK MZ-NF810/NF810CK Rewriting the NV values How to get the application NVWriter for NV values rewritingRewriting the NV values MZ-NF810/NF810CK MZ-NF810/NF810CK MZ-NF810/NF810CK Memo Section Diagrams Block DiagramWaveforms Lead LayoutsPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder Main BoardSSM1NI2P HP OUT R822 R824 47k 220k 470k Schematic Diagram Main Board 4/4 IC Block Diagrams IC301 AK5356VN-NIC501 SN761058ZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Krck XbckExcs SensGndsw FfclrChgadsel ChgiselUosci UoscoSI3 SO3XCS DVSS0DVSS1 DVSS2FVSS0 MsakSection Exploded Views Case SectionChassis Section Except US,3CED,4CED,UK Mechanism Deck MT-MZN710-177 301 302 308 306 303307 304 305309 310Mechanism Deck MT-MZN710-177 357 365 356 355 354 353 352 351358 359 361 360 364Section Main Electrical Parts List ¥ Resistors¥ Semiconductors AUSCAP-CHIP XC61FS1YXXMR Resistor Metal CONNECTOR, Light US,CND,3CED,4CED,UK,TW,AUS,JE Memo Revision History

MZ-NF810 specifications

The Sony MZ-NF810 is a notable entry in the portable digital music player market, primarily aimed at users who seek high-quality audio playback and advanced recording capabilities. This MiniDisc player is celebrated for its compact design, making it an ideal companion for on-the-go listeners who value both audio quality and portability.

One of the standout features of the MZ-NF810 is its support for ATRAC compression technology. ATRAC, short for Adaptive Transform Acoustic Coding, provides a means to compress audio files while still maintaining impressive sound fidelity. This technology was specifically designed to optimize audio for the MiniDisc format, allowing users to enjoy longer playtimes without sacrificing sound quality. The MZ-NF810 can store up to 40 hours of music on a single battery charge, a significant advantage for audiophiles and casual listeners alike.

The device also boasts a high-resolution LCD display, providing crucial information about the currently playing track, including title, artist, and remaining battery life. Navigation is smooth and user-friendly, allowing users to access their music collections with ease. In addition, the MZ-NF810 supports USB connectivity, enabling users to transfer music and files directly from their computers. This feature eliminates the need for additional software, streamlining the process of loading music onto the device.

An important aspect of the MZ-NF810 is its recording capabilities. The player allows users to record live audio directly onto MiniDiscs, providing the freedom to capture concerts, lectures, or personal notes. The addition of various recording modes, including long-play options, enhances its utility for users who need diverse functionality.

Sound quality is further augmented with features such as Dynamic Bass Boost and a five-band equalizer, allowing users to tailor their listening experience to their preferences. The MZ-NF810 also supports various audio formats, adding to its versatility as a personal audio device.

Lastly, the MZ-NF810's sleek and lightweight design makes it not only aesthetically pleasing but also comfortable to carry, making it a practical choice for those who lead active lifestyles. In summary, the Sony MZ-NF810 MiniDisc player stands out for its audio quality, recording features, and user-friendly design, catering to music enthusiasts who demand both performance and portability in their listening experience.
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