Sony MZ-NF810 service manual 000 P * * R, 000 FF, Rp Pus, Set Ok, Rmc Ok

Page 17

Sound Skip Check Result Display Mode

This set can display the count of errors that occurred during the recording/playing for checking.

Setting method of sound skip check result display mode

1.Set the test mode (see page 13).

2.Press the ENTERN key or [REC] key, and the playing or recording sound skip result display mode becomes active respectively where the LCD displays the following.

Remote commander LCD display

000P * * R * *

Total count of record system errors (hex.)

Total count of play system errors (hex.)

3. When the ENTERN key is pressed, total error count is displayed on the LCD, and each time the >t key is pressed, the display

item moves down by one as shown below. Also, if the . key

T

is pressed, the display item moves up by one, then if the [REC] key is pressed, the display in the record mode appears. When the [REC] key is pressed, total error count is displayed on the LCD, and each time the >t key is pressed, the dis- play item moves down by one as shown below. Also, if the

.T key is pressed, the display item moves up by one, then if the ENTERN key is pressed, the display in the play mode appears.

Playing sound skip

Recording sound skip

result display

result display

000 P * * R * *

000 P**R**

000 EIB **

000 BOvr**

000 Stat**

000 Bful**

000 Adrs**

000 Rtry**

000 BEmp**

000 ######

000 ######

 

P**R**: Total play/record errors (hex.)

**: Counter of sound skip check each item (hex.)

######: 6-digit address where sound was skipped last (hex.)

• Cause of sound skip error

 

Cause of error

Description of error

 

EIB

Sound error correction error

 

 

 

Play

Stat

Decoder status error

 

 

Adrs

Address access error

 

 

 

 

 

BEmp

Buffer is empty

 

 

 

 

BOvr

Buffer is full, and sounds were

 

dumped

 

 

 

 

 

Record

Bful

Buffer capacity becomes less,

 

and forcible writing occurred

 

 

 

Rtry

Retry times over

 

 

 

4. To quit the sound skip check result display mode and to return to the test mode (display check mode), press the xCANCEL/

CHG key.

MZ-NF810/NF810CK

Key Check Mode

This set can check if the set and remote commander function nor- mally.

• Setting method of key check mode

1.Set the test mode (see page 13).

2.Pressing the [T MARK] key or [DISPLAY] key on the remote commander for several seconds (about 3 seconds) activates the key check mode. (At the last two digits, AD value of remote com- mander key line is displayed in hexadecimal)

Remote commander LCD display

000**

**: AD value of the remote commander key (hexadecimal 00 to FF)

3.When each key on the set and on remote commander is pressed, its name is displayed on the remote commander LCD. (The operated position is displayed for 4 seconds after the slide switch is operated. If any other key is pressed during this dis- play, the remote commander LCD switches to its name dis- play)

Example1: When the >t key on the set is pressed:

Remote commander LCD display

000 FF **

**: AD value of the remote commander key (hexadecimal 00 to FF)

Example2: When the NX/ENT key on the remote com- mander is pressed:

Remote commander LCD display

000 rP PUS **

**: AD value of the remote commander key (hexadecimal 00 to FF)

4.When all the keys on the set and on the remote commander are considered as OK, the following displays are shown.

Example1: When the keys on the set are considered as OK:

Remote commander LCD display

888 SET OK **

**: AD value of the remote commander key (hexadecimal 00 to FF)

Example2: When the keys on the remote commander are con- sidered as OK:

Remote commander LCD display

888 RMC OK **

**: AD value of the remote commander key (hexadecimal 00 to FF)

5.When all keys were checked or if the upper panel is opened, the key check mode quits and the test mode (display check mode) comes back.

17

Image 17
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 Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition method in manual mode 1. Set the test mode see 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 history000 000 P * * R000 FF RP PUSE s ResOK?E s e t SetTmp742 VC1 H 741 VC1 L743 VC2 Lo 744 VC2 Hi749 REG3 H 748 REG3L2Vrec L Vrec M757 CIL ChgV LChgV H 758 CIHAdjustment/checking and Connection Location Configuration of power supply adjustment auto item feed Power Supply Adjustment Auto Item FeedAssy ADJ OKLrefpw LaserHrefPw WrPwLo000 *** NG Assy11CD OK MO OKMO overall adjustment items 043Resume Resume Clear Setting Method043 Res ResClrPreparation Rewriting the Patch Data at Replacement of Main Board IC851Pre-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 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 Xbck KrckExcs SensFfclr GndswChgadsel ChgiselUosco UosciSI3 SO3DVSS0 XCSDVSS1 DVSS2Msak FVSS0Case Section Section Exploded ViewsChassis Section Except US,3CED,4CED,UK 302 308 306 303307 304 305309 310 Mechanism Deck MT-MZN710-177 301354 353 352 351 Mechanism Deck MT-MZN710-177 357 365 356 355358 359 361 360 364¥ Resistors Section Main Electrical Parts List¥ 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.