Sony MZ-NF810 service manual Uosci, Uosco, SI3, SO3, SCK3, Msin, Msck, Nar, Sak, Xcas, Xras

Page 53

MZ-NF810/NF810CK

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 (fixed at ÒLÓ 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)

 

 

 

 

 

 

 

 

 

 

53

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Contents MZ-NF810/NF810CK LR6 Battery lifeOn power sources Flexible Circuit Board RepairingSystem requirements Section Servicing NotesMZ-NF810/NF810CK Looking at controls Section GeneralDisassembly Flow Section DisassemblyCase Lower Main Board, Battery CaseLCD Module, Panel Upper Block Panel Upper SectionMechanism Deck MT-MZN710-177 Gear SA Screw M1.4 OP Service Assy LCX-5RDC Motor Sled M602 Holder AssyGear HA Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition method in manual mode 1. Set the test mode see A n u a lF F J 0 011 C 6 8 S 0011 0 6 3 B 0 011 0 5 9 a 0Description of error indication codes Reset the Error Display CodeSetting method of reset the error display code Description of indication history000 000 P * * R000 FF RP PUSE s ResOK?E s e t SetTmp742 VC1 H 741 VC1 L743 VC2 Lo 744 VC2 Hi749 REG3 H 748 REG3L2Vrec L Vrec M757 CIL ChgV LChgV H 758 CIHAdjustment/checking and Connection Location Configuration of power supply adjustment auto item feed Power Supply Adjustment Auto Item FeedAssy ADJ OKLrefpw LaserHrefPw WrPwLo000 *** NG Assy11CD OK MO OKMO overall adjustment items 043Resume Resume Clear Setting Method043 Res ResClrPreparation Rewriting the Patch Data at Replacement of Main Board IC851Pre-check Rewriting the Patch DataMZ-NF810/NF810CK MZ-NF810/NF810CK MZ-NF810/NF810CK Rewriting the NV values How to get the application NVWriter for NV values rewritingRewriting the NV values MZ-NF810/NF810CK MZ-NF810/NF810CK MZ-NF810/NF810CK Memo Block Diagram Section DiagramsLead Layouts WaveformsSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderMain Board Printed Wiring Board Main Board Side B Uses unleaded solderSSM1NI2P HP OUT R822 R824 47k 220k 470k Schematic Diagram Main Board 4/4 IC301 AK5356VN-N IC Block DiagramsIC501 SN761058ZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Xbck KrckExcs SensFfclr GndswChgadsel ChgiselUosco UosciSI3 SO3DVSS0 XCSDVSS1 DVSS2Msak FVSS0Case Section Section Exploded ViewsChassis Section Except US,3CED,4CED,UK 302 308 306 303307 304 305309 310 Mechanism Deck MT-MZN710-177 301354 353 352 351 Mechanism Deck MT-MZN710-177 357 365 356 355358 359 361 360 364¥ Resistors Section Main Electrical Parts List¥ Semiconductors AUSCAP-CHIP XC61FS1YXXMR Resistor Metal CONNECTOR, Light US,CND,3CED,4CED,UK,TW,AUS,JE Memo Revision History

MZ-NF810 specifications

The Sony MZ-NF810 is a notable entry in the portable digital music player market, primarily aimed at users who seek high-quality audio playback and advanced recording capabilities. This MiniDisc player is celebrated for its compact design, making it an ideal companion for on-the-go listeners who value both audio quality and portability.

One of the standout features of the MZ-NF810 is its support for ATRAC compression technology. ATRAC, short for Adaptive Transform Acoustic Coding, provides a means to compress audio files while still maintaining impressive sound fidelity. This technology was specifically designed to optimize audio for the MiniDisc format, allowing users to enjoy longer playtimes without sacrificing sound quality. The MZ-NF810 can store up to 40 hours of music on a single battery charge, a significant advantage for audiophiles and casual listeners alike.

The device also boasts a high-resolution LCD display, providing crucial information about the currently playing track, including title, artist, and remaining battery life. Navigation is smooth and user-friendly, allowing users to access their music collections with ease. In addition, the MZ-NF810 supports USB connectivity, enabling users to transfer music and files directly from their computers. This feature eliminates the need for additional software, streamlining the process of loading music onto the device.

An important aspect of the MZ-NF810 is its recording capabilities. The player allows users to record live audio directly onto MiniDiscs, providing the freedom to capture concerts, lectures, or personal notes. The addition of various recording modes, including long-play options, enhances its utility for users who need diverse functionality.

Sound quality is further augmented with features such as Dynamic Bass Boost and a five-band equalizer, allowing users to tailor their listening experience to their preferences. The MZ-NF810 also supports various audio formats, adding to its versatility as a personal audio device.

Lastly, the MZ-NF810's sleek and lightweight design makes it not only aesthetically pleasing but also comfortable to carry, making it a practical choice for those who lead active lifestyles. In summary, the Sony MZ-NF810 MiniDisc player stands out for its audio quality, recording features, and user-friendly design, catering to music enthusiasts who demand both performance and portability in their listening experience.
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