Sony MZ-NF610 service manual IC Pin Function Description, Pin No Pin Name Description

Page 52

MZ-NF610

6-9. IC Pin Function Description

• IC801 CXD2680-203GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

1

OSCI

I

Resonator connection terminal for the system clock (22.5792MHz)

 

 

 

 

2

OSCO

O

Resonator connection terminal for the system clock (22.5792MHz)

 

 

 

 

3

VREFL

O

Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH)

 

 

 

 

4

AOUTL

O

Built-in D/A converter L-CH signal output

 

 

 

 

5

AOUTR

O

Built-in D/A converter R-CH signal output

 

 

 

 

6

VREFR

O

Reference voltage terminal connected to the capacitor (for the built-in D/A converter R-CH)

 

 

 

 

7

ASYO

O

Playback EFM duplex signal output

 

 

 

 

8

ASYI

I

Playback EFM comparator slice level input

 

 

 

 

9

BIAS

I

Bias current input terminal for the playback EFM comparator

 

 

 

 

10

RFI

I

Playback EFM RF signal input from the RF amplifier

 

 

 

 

11

PCO

O

Phase comparison output terminal for the playback EFM system master PLL

 

 

 

 

12

FILI

I

Filter input terminal for the playback EFM system master PLL

 

 

 

 

13

FILO

O

Filter output terminal for the playback EFM system master PLL

 

 

 

 

14

CLTV

I

Internal VCO control voltage input terminal for the playback EFM system master PLL

 

 

 

 

15

PEAK

I

Peak hold signal input of the light amount signal (RF/ABCD) from the RF amplifier

 

 

 

 

16

BOTM

I

Bottom hold signal input of the light amount signal (RF/ABCD) from the RF amplifier

 

 

 

 

17

ABCD

I

Light amount signal (ABCD) input from the RF amplifier

 

 

 

 

18

FE

I

Focus error signal input from the RF amplifier

 

 

 

 

19

VC

I

Middle point voltage input from the RF amplifier

 

 

 

 

20

ADIO

O

Monitor output terminal of A/D converter input signal Not used (open)

 

 

 

 

21

ADRB

I

The lower limit voltage of A/D converter input terminal (connected to the ground)

 

 

 

 

22

SE

I

Sled error signal input from the RF amplifier

 

 

 

 

23

TE

I

Tracking error signal input from the RF amplifier

 

 

 

 

 

24

AUX1

I

Auxiliary A/D input (fixed at

ÒHÓ in this set)

 

 

 

 

25

ADRT

I

The upper limit voltage of A/D converter input terminal (fixed at ÒHÓ in this set)

 

 

 

 

26

DCHG

I

Connecting terminal with the analog power supply of low impedance (fixed at ÒHÓ in this set)

 

 

 

 

27

APC

I

Error signal input for the laser automatic power control (fixed at ÒHÓ in this set)

 

 

 

 

28

ADFG

I

ADIP duplex FM signal (22.05±1kHz) input from the RF amplifier

 

 

 

 

29

APCREF

O

Reference PWM signal output for the laser automatic power control to the RF amplifier

 

 

 

 

30

TRDR

O

Tracking servo drive PWM signal output (Ð) to the coil driver

 

 

 

 

31

TFDR

O

Tracking servo drive PWM signal output (+) to the coil driver

 

 

 

 

32

FFDR

O

Focus servo drive PWM signal output (+) to the coil driver

 

 

 

 

33

FRDR

O

Focus servo drive PWM signal output (Ð) to the coil driver

 

 

 

 

 

34

FS4

O

176.4kHz clock signal output

 

 

 

 

 

35

SFDR

O

Sled servo drive PWM signal output to the motor driver

 

 

 

 

36

SPRD

O

Spindle motor drive control signal output (U) to the motor driver

 

 

 

 

37

SPFD

O

Spindle servo drive PWM signal output to the motor driver

 

 

 

 

38

SPDV

O

Spindle motor drive control signal output (V) to the motor driver

 

 

 

 

39

SPDW

O

Spindle motor drive control signal output (W) to the motor driver

 

 

 

 

40

SPCU

I

Spindle motor drive comparison signal input (U) from the motor driver

 

 

 

 

41

SPCV

I

Spindle motor drive comparison signal input (V) from the motor driver

 

 

 

 

42

SPCW

I

Spindle motor drive comparison signal input (W) from the motor driver

 

 

 

 

43

SLDV

O

Sled motor drive control signal output (V) to the motor driver

 

 

 

 

44

SLDW

O

Sled motor drive control signal output (W) to the motor driver

 

 

 

 

45

SLCU

I

Sled motor drive comparison signal input (U) from the motor driver

 

 

 

 

46

SLCV

I

Sled motor drive comparison signal input (V) from the motor driver

 

 

 

 

47

SLCW

I

Sled motor drive comparison signal input (W) from the motor driver

 

 

 

 

48

SRDR

O

Sled motor drive control signal output (U) to the motor driver

 

 

 

 

 

49

DIN

I

Digital audio signal input

 

 

 

 

 

 

50

DADT

O

Audio data output terminal

Not used (open)

 

 

 

 

 

52

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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 ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Self-Diagnosis Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method 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 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 Laser Power Check Configuration of Overall Adjustment ModeConnection Checking methodOverall 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 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 Exploded Views SectionCase Section Chassis Section MT-MZN710-177 Not supplied Main board sectionMain Board Section 101 105 106 102 103 107 104302 308 306 303307 304 305 309 310 Mechanism Deck MT-MZN710-177 301311 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.
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