Sony MZ-NF610 service manual Adjustment Method of CD and MO Overall Adjustment Mode

Page 28

MZ-NF610

Adjustment Method of CD and MO Overall Adjustment Mode

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

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

Set LCD display

0 00

A s s y 1 1

 

 

3.Insert CD disc in the set, and press the . key to set the CD overall adjustment mode. Automatic adjustments are made.

Set LCD display

X XX

CD RUN

XXX: Item number for which an adjustment is being executed.

4.In case of CD overall adjustment NG, readjust from the NV reset (see page 19), The temperature correction (see page 19) may be omitted.

Set LCD display

0 00

*** NG

 

 

**: NG item number.

5.If OK through the CD overall adjustments, then perform MO overall adjustments.

Set LCD display

0 00

CD OK

 

 

6.Insert MO disc in the set, and press the > key to set the MO overall adjustment mode. Automatic adjustments are made.

Set LCD display

X XX

MO RUN

 

 

XXX: Item number for which an adjustment is being executed.

7.In case of MO overall adjustment NG, readjust from the NV reset (see page 19). The temperature correction (see page 19) may be omitted.

Set LCD display

0 00

*** NG

 

 

**: NG item number.

8.If OK through the MO overall adjustments, press the xCANCEL/CHG key to return to the test mode and ter- minate the overall adjustment mode.

Set LCD display

0 00

MO OK

 

 

• Overall Adjustment error message

The following message will be displayed if adjustment procedure is mistaken in the CD and MO overall adjustment.

Message

Display timing

Description

 

 

 

 

During CD/MO/DISC

 

CLOSE!

automatic distinction

DISC is not inserted.

 

overall adjustment

 

 

 

 

 

 

• CD overall adjustment is not

 

During MO/DISC

completed in the MO overall

Set CD!

automatic distinction

adjustment.

overall adjustment

• CD and MO overall

 

 

During offset adjustment

adjustment is not completed

 

 

in the offset adjustment.

 

 

 

 

 

MO overall adjustment is not

Set MO!

During offset adjustment

completed in the offset

 

 

adjustment

 

 

 

 

During CD/MO/DISC

Temperature correction

NoTmp!

automatic distinction

(item number 015)

 

overall adjustment

is not finished.

 

 

 

 

During CD/MO/DISC

Charge voltage adjustments

NoChg!

automatic distinction

(item number 755 and 756)

 

overall adjustment

are not finished.

 

 

 

CD and MO Overall Adjustment Items

1. CD overall adjustment items

Item No.

Description

 

 

761

VC,VR power supply H/L selection

 

 

300

HPIT setting . servo OFF

 

 

561

SLED inward movement

 

 

562

SLED outward movement

 

 

High reflection electrical offset adjustment

 

 

312

Laser ON . Focus UP . vc correction

 

 

ALFA offset adjustment

 

 

313

IJ offset adjustment

 

 

314

FE offset adjustment

 

 

HPIT adjustment

 

 

320

Focus servo ON

 

 

324

TE offset adjustment 1

 

 

321

TE gain adjustment

 

 

328

TWPP gain adjustment

 

 

324

TE offset adjustment 1

 

 

332

TE offset adjustment 2

 

 

330

Tracking servo ON

 

 

336

ABCD gain adjustment

 

 

337

KF gain correction

 

 

338

RF gain adjustment

 

 

344

FCS gain adjustment

 

 

345

TRK gain adjustment

 

 

521

Two-axis sensitivity (inner position)

 

 

28

Image 28
Contents MZ-NF610 Battery life MZ-NF610Flexible Circuit Board Repairing On power sourcesSection Servicing Notes System requirementsSection General MZ-NF610 Looking at controlsSection Disassembly Disassembly FlowCase Lower Upper Panel SectionLCD Module, Button Control Main BoardMechanism Deck MT-MZN710-177 Set Chassis AssyOP Service Assy LCX-5R Screw M1.4 Pull off lead screw Rack springHolder Assy DC Motor Sled M602Gear HA Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Self-Diagnosis Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method Reset the Error Display Code Description of Error Indication CodesSetting Method of Reset the Error Display Code Description of Indication HistorySound Skip Check Result Display Mode Setting Method of Sound Skip Check Result Display ModeCause of Sound Skip Error Setting Method of Key Check ModeSET OK Section Electrical Adjustments Adjustment and Connection Location Main board Digital voltmeter Main board TP1909 REGO1 TP1311 GND Adjustment Method of Vreclow X2 speed item number Adjustment Method of Vrechigh Head Motor item numberAdjustment Method of Vrecmiddle X4 speed item number Adjustment Method of Chgvlow item numberAdjustment Method of Chgihigh Charge current item number Adjustment Method of Chgvhigh item numberAdjustment Method of Chgilow Charge current item number Adjustment/checking and Connection Location Configuration of power supply adjustment auto item feed Power Supply Adjustment Auto Item FeedKey Laser Power Check Configuration of Overall Adjustment ModeConnection Checking methodOverall Adjustment Mode Title Display Overall Adjustment error message Adjustment Method of CD and MO Overall Adjustment ModeCD and MO Overall Adjustment Items MO overall adjustment items Resume Clear Setting Method Remuse ClearRewriting the Patch Data at Replacement of Main Board PreparationPre-check Rewriting the Patch DataMZ-NF610 MZ-NF610 MZ-NF610 Rewriting the NV values How to get the application NVWriter for NV values rewritingRewriting the NV values MZ-NF610 MZ-NF610 MZ-NF610 Section Diagrams Block DiagramWaveforms SurfacePrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder Side BXPC18A22AEPR2 Schematic Diagram Main Board 2/4 Ioad HP OUT IC Block Diagrams IC302 AK5354VT-E2 IC361 TA2131FL ELIC501 SN761058AZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Pin No Pin Name DescriptionKrck Chgadsel Uosci DVSS0 Msak Exploded Views SectionCase Section Chassis Section MT-MZN710-177 Not supplied Main board sectionMain Board Section 101 105 106 102 103 107 104302 308 306 303307 304 305 309 310 Mechanism Deck MT-MZN710-177 301311 Mechanism Deck MT-MZN710-177 358 357 365 356 359 355354 352 351Electrical Parts List MainTantalum Fuse SMD R312 RES-CHIP 16W R315 218-990-11 Metal Revision History

MZ-NF610 specifications

The Sony MZ-NF610 is a standout portable mini disc player and recorder that epitomizes the innovation synonymous with Sony in the early 2000s. Released as part of the Net MiniDisc series, it offered a convenient way to manage and enjoy music on the go. While the popularity of digital downloads and streaming services has eclipsed physical media formats, the MZ-NF610 remains a nostalgic piece of technology that reflects a unique era in personal audio.

One of the main features of the MZ-NF610 is its large storage capacity, leveraging the MiniDisc format to offer up to 1GB of data storage on each disc. This allows music enthusiasts to store multiple albums or hours of music in a compact form. The device supports LP2 and LP4 recording modes, which not only provide flexibility in recording quality but also enhance the total recording time, making it ideal for long journeys or extensive music libraries.

The MZ-NF610 showcases SONY’s exceptional ATRAC3 encoding technology, which compresses audio files while preserving sound quality. This technology enables users to transfer music from CD directly to MiniDisc with impressive fidelity. Additionally, with its USB connection, the MZ-NF610 provides a seamless way to transfer music files from a computer, further enhancing its usability.

An important characteristic of the MZ-NF610 is its design. This model is compact, lightweight, and equipped with an easy-to-use interface, making it perfect for portability. The ergonomically designed controls simplify navigation through tracks and menus, while the backlit LCD display ensures visibility in various lighting conditions.

Battery life is another notable feature of the MZ-NF610, with the ability to run for long periods on a single charge. The player is powered by a rechargeable lithium-ion battery, which enhances its eco-friendliness and eliminates the need for disposable batteries.

Overall, the Sony MZ-NF610 is a remarkable combination of portability, audio quality, and user convenience. It highlights Sony’s commitment to pushing the boundaries of personal audio technology, making it a cherished collector's item for those who appreciate the charm of MiniDisc players. Even in an age dominated by digital streaming, the MZ-NF610 stands as a testament to the enduring appeal of physical media and the nostalgic experience it provides.