Sony MZ-NF610 service manual DVSS0

Page 56

MZ-NF610

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

249

XCS

Ñ

DRAM chip select terminal

Not used (open)

 

 

 

 

250

CLK

Ñ

DRAM clock terminal Not used (open)

 

 

 

 

 

251

CKE

Ñ

DRAM clock enable terminal

Not used (open)

 

 

 

 

 

252

UDQM

Ñ

DRAM byte mask terminal

Not used (open)

 

 

 

 

 

253

LDQM

Ñ

DRAM byte mask terminal

Not used (open)

 

 

 

 

 

254

DVDD0

Ñ

Power supply terminal

 

 

 

 

 

 

255

DVSS0

Ñ

Ground terminal

 

 

 

 

 

 

256

DVDD1

Ñ

Power supply terminal

 

 

 

 

 

 

257

DVSS1

Ñ

Ground terminal

 

 

 

 

 

 

258

DVDD2

Ñ

Power supply terminal

 

 

 

 

 

 

259

DVSS2

Ñ

Ground terminal

 

 

 

 

 

 

260

DVDD3

Ñ

Power supply terminal

 

 

 

 

 

 

261

DVSS3

Ñ

Ground terminal

 

 

 

 

 

 

262

DVDD4

Ñ

Power supply terminal

 

 

 

 

 

 

263

DVSS4

Ñ

Ground terminal

 

 

 

 

 

264

IFVDD0

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

265

IFVSS0

Ñ

Ground terminal (for the microcomputer I/F block)

 

 

 

 

266

IFVDD1

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

267

IFVSS1

Ñ

Ground terminal (for the microcomputer I/F block)

 

 

 

 

268

IFVDD2

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

269

IFVSS2

Ñ

Ground terminal (for the microcomputer I/F block)

 

 

 

 

270

IFVDD3

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

271

IFVSS3

Ñ

Ground terminal (for the microcomputer I/F block)

 

 

 

 

272

IFVDD4

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

273

IFVSS4

Ñ

Ground terminal (for the microcomputer I/F block)

 

 

 

 

274

AVDD

Ñ

Power supply terminal (for the microcomputer analog)

 

 

 

 

275

AVSS

Ñ

Ground terminal (for the microcomputer analog)

 

 

 

 

276

VDIOSC

Ñ

Power supply terminal (for the OSC cell)

 

 

 

 

277

VSIOSC

Ñ

Ground terminal (for the OSC cell)

 

 

 

 

278

DAVDD

Ñ

Power supply terminal (for the built-in D/A converter)

 

 

 

 

279

DAVSS

Ñ

Ground terminal (for the built-in D/A converter)

 

 

 

 

280

AVD1

Ñ

Power supply terminal (for the DSP asymmetry system analog)

 

 

 

 

281

AVS1

Ñ

Ground terminal (for the DSP asymmetry system analog)

 

 

 

 

282

AVD2

Ñ

Power supply terminal (for the DSP servo system analog)

 

 

 

 

283

AVS2

Ñ

Ground terminal (for the DSP servo system analog)

 

 

 

 

284

TSMVDD

Ñ

Power supply terminal (for the TSB master communication)

 

 

 

 

285

TSLVDD

Ñ

Power supply terminal (for the TSB slave I/F)

 

 

 

 

286

DRAMVDD1

Ñ

Power supply terminal (for DRAM)

 

 

 

 

287

DRAMVSS1

Ñ

Ground terminal (for DRAM)

 

 

 

 

288

DRAMVDD2

Ñ

Power supply terminal (for DRAM)

 

 

 

 

289

DRAMVSS2

Ñ

Ground terminal (for DRAM)

 

 

 

 

290

ITO

Ñ

Power supply terminal (for writing the flash memory)

 

 

 

 

291

MITY

Ñ

Ground terminal (for writing the flash memory)

 

 

 

 

292

USBIFVDD

Ñ

Power supply terminal (for USB I/F)

 

 

 

 

293

MVDD

Ñ

Power supply terminal (for the microcomputer I/F block)

 

 

 

 

294

USBOSCVDD

Ñ

Power supply terminal (for the USB oscillation circuit)

 

 

 

 

295

USBOSCVSS

Ñ

Ground terminal (for the USB oscillation circuit)

 

 

 

 

296

AVDPLL

Ñ

Power supply terminal (for PLL)

 

 

 

 

 

297

AVSPLL

Ñ

Ground terminal (for PLL)

 

 

 

 

 

298

EVA

I

EVA terminal (fixed at ÒLÓ in this set)

 

 

 

 

 

56

Image 56
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 ModeTransition Method in Manual Mode Configuration of Test ModeManual Mode Self-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSelf-Diagnosis Result Display Mode 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 Chgilow Charge current item number Adjustment Method of Chgvhigh item numberAdjustment Method of Chgihigh Charge current item number Adjustment/checking and Connection Location Key Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed Laser Power Check Configuration of Overall Adjustment ModeConnection Checking methodOverall Adjustment Mode Title Display CD and MO Overall Adjustment Items Adjustment Method of CD and MO Overall Adjustment ModeOverall Adjustment error message 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 Case Section SectionExploded Views Chassis Section MT-MZN710-177 Not supplied Main board sectionMain Board Section 101 105 106 102 103 107 104311 Mechanism Deck MT-MZN710-177 301302 308 306 303307 304 305 309 310 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.