Sony MZ-NF610 Section Test Mode, Outline, Setting Method of Test Mode, Releasing the Test Mode

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MZ-NF610

SECTION 4

TEST MODE

Outline

•This set provides the Overall adjustment mode that allows CD and MO discs to be automatically adjusted when in the test mode. In this overall adjustment mode, the disc is discriminated be- tween CD and MO, and each adjustment is automatically ex- ecuted in order. If a fault is found, the system displays its loca- tion. Also, the manual mode allows each individual adjustment to be automatically adjusted.

•Operation in the test mode is performed with the set. A key having no particular description in the text, indicates a set key.

Setting Method of Test Mode

There are three different methods to set the test mode:

1Short SL803 (TEST) on the MAIN board with a solder bridge (connect pin <zx. of IC801 to the ground). Then, turn on the power.

– MAIN Board (Side B) –

SL803

(TEST)

2In the normal mode, turn on the [HOLD] switch. While press- ing the [GROUP] key press the following order:

>t > t . t . t > t

. t > t . t X t X

3In the normal mode, turn on the [HOLD] switch on the set. While pressing the xCANCEL/CHG key on the set, press the keys on the remote commander with the following order :

>t > t . t . t > t

. t > t . t t

Note: If electrical adjustment (CD and MO overall adjustment) has not been finished completely, “ERROR” is displayed on LCD of the set.

Operation in Setting the Test Mode

•When the test mode becomes active, first the display check mode is selected.

•Other mode can be selected from the display check mode.

•When the test mode is set, the LCD repeats the following dis- play.

Set LCD display

All lit

All off

Microcomputer

 

 

version

00 7 V 1 . 5 0 0

 

display

 

 

 

 

 

 

•When the X key is pressed and hold down, the display at that time is held so that display can be checked.

Releasing the Test Mode

For test mode set with the method 1:

Turn off the power and open the solder bridge on SL803 (TEST) on the MAIN board.

Note: Remove the solders completely. Remaining could be shorted with the chassis, etc.

For test mode set with the method 2 or 3:

Turn off the power.

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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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