Sony MZ-NF610 service manual Uosci

Page 55

MZ-NF610

Pin No.

Pin Name

I/O

 

 

 

 

Description

 

 

 

 

 

 

166

WK_DET

I

Set key WAKE detection signal input

 

 

 

 

 

 

 

167

BATT_MON

I

External battery voltage monitor input

Not used (connected to the ground)

 

 

 

 

168

HALF_LOCK_SW

I

Open button detection switch input (A/D input) ÒLÓ : the open button is pressed

 

 

 

 

169

RMC_KEY

I

Key input (A/D input) from the remote commander

 

 

 

 

170

JOG_PUSH

I

Jog dial push detection signal input Not used (open)

 

 

 

 

 

 

 

 

171

REC_KEY/PLAY_KEY

I

REC key input (A/D input)

 

 

 

 

 

 

 

 

 

172

END_SEARCH

I

END SEARCH key input (A/D input)

Not used (open)

 

 

 

 

 

 

173

RADIO_ON

I

RADIO ON detection signal input

 

 

 

 

 

 

174

RMC_DTCK

I/O

TSB master data clock input/output or SSB data input/output

 

 

 

 

 

 

 

 

175

UDP

I/O

USB data (+) input terminal

 

 

 

 

 

 

 

 

 

 

 

 

176

UDM

I/O

USB data (-) input terminal

 

 

 

 

 

 

 

 

 

 

177

SUSPEND

O

USB suspend signal output

Not used (open)

 

 

 

 

 

178

UPUEN

O

USB pull-up resistor connection control output terminal

 

 

 

 

179

UOSCI

I

Resonator (48MHz) connection terminal for the USB oscillation circuit

 

 

 

 

180

UOSCO

O

Resonator (48MHz) connection terminal for the USB oscillation circuit

 

 

 

 

 

 

181

SI3

I

Not used (connected to the ground)

 

 

 

 

 

 

 

 

 

 

 

182

SO3

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

183

SCK3

I/O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

184

MSIN

I

Not used (connected to the ground)

 

 

 

 

 

 

 

 

 

 

 

185

MSOUT

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

186

MSCK

I/O

Not used (open)

 

 

 

 

 

 

 

 

 

187

RF_PWR

O

Power supply control signal output to the RF amplifier Not used (open)

 

 

 

 

188

LCD_PWR

O

Power supply control signal output to the liquid crystal display module Not used (open)

 

 

 

 

 

189

SP_AMP

O

Built-in speaker control signal output

ÒHÓ: activate Not used (open)

 

 

 

 

 

190

XHP_DET

I

Headphone jack detection signal input

Not used (open)

 

 

 

 

 

191

SET_CODE0

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

192

SET_CODE1

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

193

SET_CODE2

I

Input terminal for the set (open in this set)

 

 

 

 

 

 

194

SET_CODE3

I

Input terminal for the set (fixed at ÒLÓ in this set)

 

 

 

 

 

 

 

 

 

 

195, 196

NC

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

197

VBUS5V_DET

I

USB power supply voltage detection terminal 2

Not used (open)

 

 

 

 

 

 

198

LG_DCR_CTL

O

LG DCR control signal output

Not used (open)

 

 

 

 

 

199

MUTE

O

Analog muting control signal output to the headphone amplifier ÒHÓ: muting ON

 

 

 

 

200

CLV_PWR_SEL

O

CLV motor power supply selection control signal output Not used (open)

 

 

 

 

201

CS_RTC

O

Chip select signal output to the real time clock Not used (open)

 

 

 

 

202 to 204

MODE1 to 3

O

Power supply control signal output for the over write head to the REC driver

 

 

 

 

205, 206

HD_CON_1, 2

O

Over write head control signal output to the REC driver

 

 

 

 

 

 

 

 

 

207

TAT

I

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

TAN

I

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

209

NAR

I

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

210

IOD

I

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

211

SAK

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

212

XRST

I

System reset signal input from the power control

ÒLÓ: reset

 

 

 

 

213

TRST

I

Terminal for the test mode setting (normally fixed at ÒLÓ)

 

 

 

 

214, 215

TEST0, 1

I

Input terminal for the main test (normally fixed at ÒLÓ)

 

 

 

 

 

 

216 to 231

D0 to 15

Ñ

DRAM data0 to 15 terminal

Not used (open)

 

 

 

 

 

 

232 to 245

A00 to 13

Ñ

DRAM address0 to 13 terminal

Not used (open)

 

 

 

 

 

 

246

XCAS

Ñ

DRAM CAS terminal

Not used (open)

 

 

 

 

 

 

 

247

XRAS

Ñ

DRAM RAS terminal

Not used (open)

 

 

 

 

 

 

 

 

248

XWE

Ñ

DRAM write enable terminal

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

55

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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 Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting 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 Indication History Reset the Error Display CodeDescription of Error Indication Codes Setting Method of Reset the Error Display CodeSetting Method of Key Check Mode Sound Skip Check Result Display ModeSetting Method of Sound Skip Check Result Display Mode Cause of Sound Skip ErrorSET OK Section Electrical Adjustments Adjustment and Connection Location Main board Digital voltmeter Main board TP1909 REGO1 TP1311 GND Adjustment Method of Chgvlow item number Adjustment Method of Vreclow X2 speed item numberAdjustment Method of Vrechigh Head Motor item number Adjustment Method of Vrecmiddle X4 speed 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 Checking method Laser Power CheckConfiguration of Overall Adjustment Mode ConnectionOverall 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 MethodRewriting the Patch Data Rewriting the Patch Data at Replacement of Main BoardPreparation Pre-checkMZ-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 352 351 Mechanism Deck MT-MZN710-177 358 357 365356 359 355 354Main 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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