Sony MZ-NF810 service manual A n u a l, Configuration of Test Mode, Manual Mode

Page 14

MZ-NF810/NF810CK

Configuration of Test Mode

[Test Mode $Display Check Mode%]

Press the > or [VOL +] key

[Manual Mode]

Press the

 

 

 

[Servo Adjustment]

 

key

 

 

xCANCEL/CHG

 

 

[Audio Adjustment]

 

 

 

 

 

 

 

 

 

 

 

[Power Supply Adjustment]

 

 

 

 

 

 

 

 

[OP Alignment Adjustment]

 

 

 

 

Press the

. or [VOL --] key

 

[Overall Adjustment Mode]

Press the

 

[Electrical Offset Adjustment]

xCANCEL/CHG key

Power Supply Adjustment

 

 

 

 

Auto Item Feed

 

 

CD Overall Adjustment/

 

 

MO Overall Adjustment

Press the [GROUP] key

or press the [DISPLAY] key on the remote commander

[Self-Diagnosis Result Display Mode]

Press the xCANCEL/CHG key

 

Press the

 

ENTERN

or [REC] key

 

 

 

 

 

 

[Sound Skip Check Result Display Mode]

 

 

 

 

 

 

 

 

 

 

 

 

Press the

 

 

 

key

 

 

xCANCEL/CHG

Press the [T MARK] key, or [DISPLAY] key on the remote commander for several seconds (about 3 seconds)

[Key Check Mode]

The key check quits, or open the upper panel

Manual Mode

Mode to adjust or check the operation of the set by function. Normally, the adjustment in this mode is not executed. However, the Manual mode is used to clear the memory, power supply adjustment, and laser power check before performing automatic adjustments in the Overall Adjustment mode.

• Transition method in manual mode 1. Set the test mode (see page 13).

2. Press the > or[VOL+] key activates the manual mode

t

where the LCD display as shown below.

Remote commander LCD display

000M a n u a l

3.During each test, the optical pick-up moves outward or in- ward while the >t or .T key is pressed for several seconds respectively.

4.Each test item is assigned with a 3-digit item number;

100th place is a major item, 10th place is a medium item, and unit place is a minor item.

The values adjusted in the test mode are written to the nonvolatile memory (for the items where adjustment was made).

 

 

 

 

 

[VOL +] key: 100th place of item

[Major item switching]

number increase.

 

 

 

 

 

[VOL --]key: 100th place of item

 

 

key

 

 

 

key

number decrease.

 

>

 

 

xCANCEL/CHG

 

 

 

 

 

 

 

 

 

[VOL +] key: 10th place of item

 

 

 

 

 

[Medium

item switching]

number increase.

 

 

 

 

 

[VOL --]key: 10th place of item

 

 

 

 

 

key

number decrease.

 

>

key

 

 

 

 

 

xCANCEL/CHG

[Minor item switching]

> key:Unit place of item number

 

increase.

 

. key:Unit place of item number

 

decrease.

[Adjusted value variation]

[VOL +] key: Increases the adjusted value of the 1st digit

[VOL --]key: Decreases the adjusted value of the 1st digit

[P MODE] key of

the remote commander: Increase the adjusted value of the 2nd digit

[SOUND] key of the remote commander: Decrease the adjusted value of the 2nd digit

[Adjusted value write]

Xkey on the set or

key on the remote commander :

When adjusted value is changed:

Adjusted value is written.

When adjusted value is not changed:

That item is adjusted automatically.

14

Image 14
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 Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeTransition method in manual mode 1. Set the test mode see Configuration of Test ModeManual Mode A n u a l011 0 6 3 B 0 011 C 6 8 S 0F F J 0 011 0 5 9 a 0Setting method of reset the error display code Reset the Error Display CodeDescription of error indication codes Description of indication history000 FF 000 P * * R000 RP PUSE s e t ResOK?E s SetTmp743 VC2 Lo 741 VC1 L742 VC1 H 744 VC2 HiVrec L 748 REG3L2749 REG3 H Vrec MChgV H ChgV L757 CIL 758 CIHAdjustment/checking and Connection Location Assy Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed ADJ OKHrefPw LaserLrefpw WrPwLoCD OK Assy11000 *** NG MO OKMO overall adjustment items 043 Res Resume Clear Setting Method043Resume ResClrPre-check Rewriting the Patch Data at Replacement of Main Board IC851Preparation 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 Excs KrckXbck SensChgadsel GndswFfclr ChgiselSI3 UosciUosco SO3DVSS1 XCSDVSS0 DVSS2FVSS0 MsakSection Exploded Views Case SectionChassis Section Except US,3CED,4CED,UK Mechanism Deck MT-MZN710-177 301 302 308 306 303307 304 305309 310358 Mechanism Deck MT-MZN710-177 357 365 356 355354 353 352 351 359 361 360 364¥ Semiconductors Section Main Electrical Parts List¥ Resistors 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.