Sony MZ-NF610 service manual Power Supply Adjustment Auto Item Feed, Key

Page 25

MZ-NF610

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

Set LCD display

000Assy **

3.Press the [END SEARCH] key to set the temperature correc- tion mode.

Set LCD display

0 15

SetTmp

 

 

Set LCD display

7 41

VC1 L

5.Connect a digital voltmeter to the measuring points on the MAIN board, and adjust the voltage with the [VOL +] or [VOL --]key. (see page 19 to 23)

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 > key to move to the next item. The . key is available to back to the last item.

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

Set LCD display

0 00

ADJ OK

4.To change the initial value (not displayed) 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 > key to move to the next item.

• Configuration of power supply adjustment auto item feed

8.Press the xCANCEL/CHG play check mode).

key to return the test mode (dis-

000Assy **

END SEARCH

key

749 REG3 H

015 SetTmp

. 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

>

key

 

 

758 CIH ** > key

000 ADJ OK

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Contents MZ-NF610 MZ-NF610 Battery lifeOn power sources Flexible Circuit Board RepairingSystem requirements Section Servicing NotesMZ-NF610 Looking at controls Section GeneralDisassembly Flow Section DisassemblyUpper Panel Section Case LowerMain Board LCD Module, Button ControlSet Chassis Assy Mechanism Deck MT-MZN710-177Screw M1.4 Pull off lead screw Rack spring OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyGear HA Setting Method of Test Mode Section 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 Description of Error Indication Codes Reset the Error Display CodeSetting Method of Reset the Error Display Code Description of Indication HistorySetting Method of Sound Skip Check Result Display Mode 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 Vrechigh Head Motor item number Adjustment Method of Vreclow X2 speed 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 Configuration of Overall Adjustment Mode Laser Power CheckConnection 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 Remuse Clear Resume Clear Setting MethodPreparation Rewriting the Patch Data at Replacement of Main BoardPre-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 Block Diagram Section DiagramsSurface WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderSide B Printed Wiring Board Main Board Side B Uses unleaded solderXPC18A22AEPR2 Schematic Diagram Main Board 2/4 Ioad HP OUT IC361 TA2131FL EL IC Block Diagrams IC302 AK5354VT-E2IC501 SN761058AZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 Pin No Pin Name Description IC Pin Function DescriptionKrck Chgadsel Uosci DVSS0 Msak Exploded Views SectionCase Section MT-MZN710-177 Not supplied Main board section Chassis Section101 105 106 102 103 107 104 Main Board Section302 308 306 303307 304 305 309 310 Mechanism Deck MT-MZN710-177 301311 356 359 355 Mechanism Deck MT-MZN710-177 358 357 365354 352 351Main Electrical Parts ListTantalum 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.
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