Sony MZ-NF810 service manual Assy, Adj Ok, Power Supply Adjustment Auto Item Feed, Key

Page 23

MZ-NF810/NF810CK

Power Supply Adjustment Auto Item Feed

Note: This mode is available to perform the temperature correction and power supply adjustment without entering the manual mode.

¥ Setting method of power supply adjustment auto item feed mode.

1.Set the test mode (see page 13)

2.Press the .T key or press the [VOL --]key to activate the overall adjustment mode.

Remote commander LCD display

000 Assy **

**: Adjusted value

3.Press the [END SEARCH] key or [P MODE] key on the re- mote commander to set the temperature correction mode.

Remote commander LCD display

5.Connect digital voltmeter to the measuring points on the MAIN board, and adjust the voltage with the [VOL +] or [VOL --]key. (see page 18 to 21)

Press the X key to write the adjusted value, and the item num- ber increases automatically.

6. When not writing the adjusted value, press the >t key to move to the next item. The .T key is available to back to the last item.

7.The following message is displayed after all power supply adjustments finish.

Remote commander LCD display

000 ADJ OK

8.Press the xCANCEL/CHG key to return the test mode (dis- play check mode).

015 SetTmp **

4.To change the initial value (hexadecimal) adjust with the [VOL +] or [VOL --]key.

Press the X key to write the adjusted value, and the item num- ber increases automatically.

When not writing the adjusted value, press the >t key to move to the next item.

Remote commander LCD display

741 VC1 L **

• Configuration of power supply adjustment auto item feed

000Assy **

END SEARCH key or P MODE key

on the remote commander.749 REG3 H **

015 SetTmp 19

. key

> key

. key

> key

751 VREC L **

>

741 VC1 L **

. key key

. key

> key

752 VREC M **

742 VC1 H **

. key

> key

. key

> key

753 VREC H **

743 VC2 Lo **

. key

> key

. key

> key

755 ChgV L **

744 VC2 Hi **

. key> key

. key

> key

756 ChgV H **

745 REG1 **

. key

> key

> key

. key

757 CIL **

747 REG3L1 **

. key

> key

> key

. key

748 REG3L2 **

> key

758 CIH **

> key

000 ADJ OK

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Contents MZ-NF810/NF810CK LR6 Battery lifeOn power sources Flexible Circuit Board RepairingSystem requirements Section Servicing NotesMZ-NF810/NF810CK Looking at controls Section GeneralDisassembly Flow Section DisassemblyCase Lower Main Board, Battery CaseLCD Module, Panel Upper Block Panel Upper SectionMechanism Deck MT-MZN710-177 Gear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyGear HA Releasing the Test Mode Section Test ModeOperation in Setting the Test Mode Setting Method of Test ModeA n u a l Configuration of Test ModeManual Mode Transition method in manual mode 1. Set the test mode see011 0 5 9 a 0 011 C 6 8 S 0F F J 0 011 0 6 3 B 0Description of indication history Reset the Error Display CodeDescription of error indication codes Setting method of reset the error display codeRP PUS 000 P * * R000 000 FFSetTmp ResOK?E s E s e t744 VC2 Hi 741 VC1 L742 VC1 H 743 VC2 LoVrec M 748 REG3L2749 REG3 H Vrec L758 CIH ChgV L757 CIL ChgV HAdjustment/checking and Connection Location ADJ OK Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed AssyWrPwLo LaserLrefpw HrefPwMO OK Assy11000 *** NG CD OKMO overall adjustment items ResClr Resume Clear Setting Method043Resume 043 ResRewriting the Patch Data Rewriting the Patch Data at Replacement of Main Board IC851Preparation Pre-checkMZ-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 Block Diagram Section DiagramsLead Layouts WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderMain Board Printed Wiring Board Main Board Side B Uses unleaded solderSSM1NI2P HP OUT R822 R824 47k 220k 470k Schematic Diagram Main Board 4/4 IC301 AK5356VN-N IC Block DiagramsIC501 SN761058ZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Sens KrckXbck ExcsChgisel GndswFfclr ChgadselSO3 UosciUosco SI3DVSS2 XCSDVSS0 DVSS1Msak FVSS0Case Section Section Exploded ViewsChassis Section Except US,3CED,4CED,UK 302 308 306 303307 304 305309 310 Mechanism Deck MT-MZN710-177 301359 361 360 364 Mechanism Deck MT-MZN710-177 357 365 356 355354 353 352 351 358AUS Section Main Electrical Parts List¥ Resistors ¥ SemiconductorsCAP-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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