Sony MZ-NF810 service manual MO overall adjustment items

Page 26

MZ-NF810/NF810CK

2. MO overall adjustment items

Item No.

Description

 

 

716

VC,VR power supply H/L selection

 

 

100

R_GRV setting . servo OFF

 

 

Low reflection electrical offset adjustment

 

 

112

Laser ON . Focus UP vc correction

 

 

ALFA offset adjustment

 

 

113

IJ offset adjustment

 

 

114

FE offset adjustment

 

 

118

Wpp denominator offset adjustment

 

 

LPIT adjustment

 

 

200

LPIT setting . servo OFF

 

 

561

SLED inward movement

 

 

220

Focus servo ON

 

 

224

TE offset adjustment 1

 

 

221

TE gain adjustment

 

 

224

TE offset adjustment 1

 

 

232

TE offset adjustment 2

 

 

230

Tracking servo ON

 

 

236

ABCD gain adjustment

 

 

237

KF gain correction

 

 

238

RF gain adjustment

 

 

244

Focus gain adjustment

 

 

245

Tracking gain adjustment

 

 

READ GRV adjustment 1

 

 

100

R_GRV setting . servo OFF

 

 

562

SLED outward movement

 

 

120

Focus servo ON

 

 

122

TON offset adjustment

 

 

121

TE gain adjustment

 

 

122

TON offset adjustment

 

 

123

TEIN offset adjustment

 

 

124

TWPP offset adjustment 1

 

 

130

Tracking servo ON

 

 

131

TWPP offset adjustment 1

 

 

136

ABCD gain adjustment

 

 

137

KF gain correction

 

 

139

ADIP BPF f0 adjustment

 

 

144

Focus gain adjustment

 

 

145

Tracking gain adjustment

 

 

134

TWPP gain adjustment

 

 

131

TWPP offset adjustment 1

 

 

132

TWPP offset adjustment 2

 

 

149

TWPP OP offset adjustment

 

 

WRITE GRV adjustment

 

 

410

HEAD DOWN . GRV servo ON

 

 

420

READ WRITE selection

 

 

421

TE gain adjustment

 

 

423

TEIN offset adjustment

 

 

430

Tracking servo ON

 

 

431

TWPP offset adjustment 1

 

 

436

ABCD gain adjustment

 

 

444

Focus gain adjustment

 

 

445

Tracking gain adjustment

 

 

Item No.

Description

 

 

434

TWPP gain adjustment

 

 

431

TWPP offset adjustment 1

 

 

432

TE offset adjustment 2

 

 

449

TWPP OP offset adjustment

 

 

410

READ WRITE selection

 

 

411

TWPP offset adjustment 1

 

 

412

TE offset adjustment 2

 

 

418

TWPP OP offset adjustment

 

 

490

HCLV LCLV selection process

 

 

450

HEAD DOWN . GRV servo ON

 

 

460

READ WRITE selection

 

 

461

TE gain adjustment

 

 

463

TEIN offset adjustment

 

 

470

Tracking servo ON

 

 

471

TWPP offset adjustment 1

 

 

476

ABCD gain adjustment

 

 

484

Focus gain adjustment

 

 

485

Tracking gain adjustment

 

 

451

TWPP offset adjustment 1

 

 

452

TE offset adjustment 2

 

 

460

READ WRITE selection

 

 

470

Tracking servo ON

 

 

474

TWPP gain adjustment

 

 

471

TWPP offset adjustment 1

 

 

472

TE offset adjustment 2

 

 

489

TWPP OP offset adjustment

 

 

450

WRITE READ selection

 

 

451

TWPP offset adjustment 1

 

 

452

TE offset adjustment 2

 

 

458

TWPP OP offset adjustment

 

 

448

30 sec continuous REC

 

 

400

GRV setting . servo OFF . HEAD UP

 

 

READ GRV adjustment 2

 

 

120

Focus servo ON

 

 

130

Tracking servo ON

 

 

138

RF gain adjustment

 

 

141

FOCUS_BIAS

 

 

035

Stray light offset measurement

 

 

100

R_GRV setting . servo OFF

 

 

26

Image 26
Contents MZ-NF810/NF810CK Battery life LR6Flexible Circuit Board Repairing On power sourcesSection Servicing Notes System requirementsSection General MZ-NF810/NF810CK Looking at controlsSection Disassembly Disassembly FlowMain Board, Battery Case Case LowerPanel Upper Section LCD Module, Panel Upper BlockMechanism Deck MT-MZN710-177 OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy DC Motor Sled M602Gear HA Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeTransition method in manual mode 1. Set the test mode see Configuration of Test ModeManual Mode A n u a l011 0 6 3 B 0 011 C 6 8 S 0F F J 0 011 0 5 9 a 0Setting method of reset the error display code Reset the Error Display CodeDescription of error indication codes Description of indication history000 FF 000 P * * R000 RP PUSE s e t ResOK?E s SetTmp743 VC2 Lo 741 VC1 L742 VC1 H 744 VC2 HiVrec L 748 REG3L2749 REG3 H Vrec MChgV H ChgV L757 CIL 758 CIHAdjustment/checking and Connection Location Assy Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed ADJ OKHrefPw LaserLrefpw WrPwLoCD OK Assy11000 *** NG MO OKMO overall adjustment items 043 Res Resume Clear Setting Method043Resume ResClrPre-check Rewriting the Patch Data at Replacement of Main Board IC851Preparation 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 Section Diagrams Block DiagramWaveforms Lead LayoutsPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder Main BoardSSM1NI2P HP OUT R822 R824 47k 220k 470k Schematic Diagram Main Board 4/4 IC Block Diagrams IC301 AK5356VN-NIC501 SN761058ZQLR IC601 XPC18A22AEPR2 IC701 SC111258EPR2 IC901 SC901580EPR2 IC Pin Function Description Excs KrckXbck SensChgadsel GndswFfclr ChgiselSI3 UosciUosco SO3DVSS1 XCSDVSS0 DVSS2FVSS0 MsakSection Exploded Views Case SectionChassis Section Except US,3CED,4CED,UK Mechanism Deck MT-MZN710-177 301 302 308 306 303307 304 305309 310358 Mechanism Deck MT-MZN710-177 357 365 356 355354 353 352 351 359 361 360 364¥ Semiconductors Section Main Electrical Parts List¥ Resistors 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.