Sony MZ-NF810 service manual IC901 SC901580EPR2

Page 49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MZ-NF810/NF810CK

IC901 SC901580EPR2

 

 

 

 

 

 

 

 

 

 

HP1(L-CH)

 

HP2(R-CH)

 

 

 

 

 

 

SLEEP

CLK

SEQSEL

WDT

SCK

STRB

DATA

HPI2

HPI1

MUTEON

GND

VHP1

PGND4

VHP2

 

 

 

 

 

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(VCC)

(HP AMP)

 

(VCC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP1

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FFCLR1

1

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

BANDGAP

48 VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AM2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWAKE4

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47 REGC3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWAKE3

3

 

 

 

 

 

 

 

 

 

 

REF1

DAC

 

 

 

 

 

46 REGC2

 

 

 

 

 

 

 

 

 

 

REF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XWAKE2

4

 

 

 

 

 

 

 

 

 

 

REF3

REF

 

 

 

 

 

45 REGC1

 

 

 

 

 

 

 

 

 

 

REF4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF5

 

 

 

 

 

 

 

XWAKE1

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

44 REGI1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

 

VC2

 

 

 

 

 

VRMC

6

 

 

 

 

 

 

 

 

 

 

REF3

 

REGULATOR1

 

 

 

FFCLR

 

 

 

 

 

REF1

REF2

 

 

 

 

43 REGO1

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VC2

 

LVB

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42 VC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVB

 

 

 

 

 

 

 

 

 

 

 

HVB

8

 

 

 

 

 

 

 

 

 

 

 

REF4

 

REGULATOR2

 

41 REGO2

 

 

 

 

DRIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VG

 

 

VSTB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

VC

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

40 REGI3

 

 

 

 

 

VF1

 

 

VF2

 

 

 

SERIES PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

VC1 10

 

 

POWER

 

 

 

 

 

 

 

REF5

 

REGULATOR3

 

39 REGO3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH 1

 

 

 

 

 

 

 

 

 

 

 

 

 

VCO1

11

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

 

 

38 CVIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST2

 

 

 

 

VO1 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH 2

37 VCOUT

 

 

 

XRST1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET-UP PRE DRIVER

 

 

 

 

 

 

 

 

 

 

SEQSEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1 13

 

 

 

 

 

 

 

XRST1

XRST2

 

 

 

XRST2

 

 

36 VO2

 

 

 

 

 

 

 

 

 

 

XRST1

 

 

 

L1 14

 

 

PWM

VC

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

START-UP

VB

 

 

 

 

SET-UP

PRE DRIVER

35 L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGND1 15

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34 L2

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SET-UP

 

 

 

 

 

 

 

VC1G 16

 

 

 

 

 

 

 

 

 

VC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC/DC

 

 

 

REF2

 

 

 

 

33 PGND2

 

 

 

 

 

 

 

 

 

CONVERTOR

VG

 

 

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VMODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VB

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VF2

 

 

 

 

 

 

 

 

 

 

VF2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

 

 

 

 

 

RF1

INM1

DTC1

CRST1

XRST1

C1L

VG

LG

PGND3

VB

XRST2

CRST2

DTC2

INM2

RF2

VC2G

 

 

IC951 SC901582EPR2

 

 

 

 

 

CHG CTL

 

 

 

 

 

 

 

 

 

 

 

 

 

VI

 

IN1-

 

WDT

PWT

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

24

 

23

 

22

21

 

20

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW6

 

 

 

 

 

 

 

 

 

 

 

 

 

VI

 

 

 

OSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NSW4

 

 

 

 

 

 

 

CAP_C_LIM

1

 

 

 

 

TIME

 

 

VREF

 

 

18

RF1

 

 

 

 

 

 

 

 

DIVIDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI2DET

2

 

 

 

 

 

 

 

 

 

N1

19 PGND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW5

 

 

 

 

 

 

 

 

NSW3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

 

A/D

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL

 

17

I_CTL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NSW1

 

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I_SEL

4

 

 

 

 

 

 

 

 

 

LOGIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIGNAL

 

16

I_CTL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N2

 

 

 

 

 

 

 

AD_SEL

5

 

 

 

 

 

 

VO

 

 

 

 

15 WK_DET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VI2

SW4

 

 

 

 

 

 

VREF

 

N3

 

 

 

 

 

 

 

 

VI2

6

 

 

 

 

 

 

 

 

 

14

PWR_WAKE

 

 

 

 

 

 

 

 

 

 

 

 

 

DELAY

 

 

 

 

 

 

 

VI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BATT

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEL

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

8

 

9

10

 

11

12

 

 

 

 

 

 

 

 

 

 

 

 

VO

 

VBAT

 

IN2-

OUT2

 

BAT SEL

VG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

49

Image 49
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.