Sony MZ-NF610 service manual Krck

Page 53

MZ-NF610

Pin No.

Pin Name

I/O

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

51

ADDT

I

Data input from the external A/D converter

 

 

 

 

 

 

 

 

 

 

 

52

KRCK

O

L/R sampling clock (44.1KHz) output to the external A/D converter

 

 

 

 

 

 

 

 

 

53

XBCK

O

Bit clock (2.8224MHz) output to the external A/D converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

FS256

O

11.2896MHz clock output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

NC

O

Filter cutoff control signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

56

NC

I

Clock input from the external VCO

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

57

LRCKI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

 

 

 

 

 

 

 

58

XBCKI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

 

 

 

 

 

 

 

59

DATAI

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

NC

Ñ

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61

EXCS

O

Chip select signal output teminal for the external SDRAM

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62, 63

NC

Ñ

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

64 to 66

MNT0 to 2

O

DSP monitor (0) to (2) output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

MNT3

O

DSP monitor (3) output terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68

SENS

O

DSP internal status (DSP SENS monitor) signal output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

 

69

TX

O

Record data output enable signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

70

RECP

O

Laser power changeover signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

71

EFMO

O

EFM encode data output for the record to the REC driver

 

 

 

 

 

 

 

 

 

 

 

 

72

TFMCK

I

FMCK signal input Not used (connected to the ground)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

73

OFTRK

I/O

Tracking signal input/output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74

XSKH

O

L circuit signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75

XSKL

O

K-SHOCK circuit signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

76

DCLSOUTL

O

PWM modulator signal output for the D class headphone amplifier

Not used (open)

 

 

 

 

 

 

 

77

DCLSOUTR

O

PWM modulator signal output for the D class headphone amplifier

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

78 to 85

TD0 to 7

Ñ

TigerI/F data 0 to 7 terminal

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

86

TREQ

Ñ

TigerI/F REQUEST terminal

Not used (connected to the ground)

 

 

 

 

 

 

 

 

 

 

87

TACK

Ñ

TigerI/F ACK terminal

Not used (connected to the ground)

 

 

 

 

 

 

 

 

88

PAUSE_KEY

I

Pause key detection input terminal from the switch & liquid crystal display module

 

 

 

 

 

 

89

PROTECT

I

Detection signal input terminal of the record check claw from the protect detection switch

ÒHÓ: protect

 

 

 

 

 

 

 

 

 

90

OPT_DET

I

DIN plug detection signal input

ÒHÓ: DIN plug detect

 

 

 

 

 

 

 

 

 

 

 

91

XJACK_DET

I

LINE IN plug detection signal input

ÒLÓ: LINE or OPT plug detect

 

 

 

 

 

 

 

 

92

XMIC_DET

I

Microphone plug detection signal input

ÒLÓ: microphone plug detect Not used (open)

 

 

 

 

 

 

93

OPEN_CLOSE_SW

I

Open/close detection switch of the upper panel input terminal

ÒLÓ: when upper panel close

 

 

 

 

 

 

 

 

 

94

XCS_ADC

O

Chip select signal output to the A/D converter

 

 

 

 

 

 

 

 

 

 

 

 

 

95

XPD_ADC

O

Power supply control signal output to the A/D converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

96

CHG_CTL

O

Charge ON/OFF control signal output

 

 

 

 

 

 

 

 

 

 

 

 

 

97

LCD_RST

O

Reset control signal output to the liquid crystal display module

 

 

 

 

 

 

 

 

98

XMUTE

O

Analog muting control signal output to the headphone amplifier

ÒLÓ: muting ON Not used (open)

 

 

 

 

 

 

 

 

99

XPATCH

I

Patch function detection terminal

ÒLÓ: patch function

(fixed at

ÒLÓ in this set)

 

 

 

 

 

 

100

SI0

I

Serial data input from the nonvolatile memory and liquid crystal display module

 

 

 

 

 

101

SO0

O

Serial data output to the nonvolatile memory, A/D converter, liquid crystal display module and power control

 

 

 

 

102

SCK0

O

Serial clock output to the nonvolatile memory, A/D converter, liquid crystal display module and power control

 

 

 

 

 

 

103

XGUM_ON

I

Rechargeable battery detection switch input terminal

ÒLÓ: rechargeable battery in detect

Not used (open)

 

 

 

 

 

 

 

104

BEEP

O

Beep sound control signal output to the headphone amplifier

 

 

 

 

 

 

 

 

 

105

XOPT_CTL

O

Power supply ON/OFF control signal output for the DIN PD drive

 

 

 

 

 

 

 

 

 

106

XHP_STBY

O

Power supply control signal output to the headphone amplifier

 

 

 

 

 

 

 

 

 

107

AOUT_SEL

O

HP/LINE changeover signal output to the headphone amplifier

Not used (open)

 

 

 

 

 

 

 

108

REC_OPR_LED

O

LED ON/OFF control signal output for the REC display

Not used (open)

 

 

 

 

 

 

 

109

MDVCC_CTL

O

Power supply control signal output for the OP modulation

Not used (open)

 

 

 

 

 

 

110

OPVCC_CTL

O

Power supply control signal output for the OP laser Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53

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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 Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeTransition Method in Manual Mode Configuration of Test ModeManual Mode Self-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSelf-Diagnosis Result Display Mode Description of Error Indication Codes Reset the Error Display CodeSetting Method of Reset the Error Display Code Description of Indication HistorySetting Method of Sound Skip Check Result Display Mode 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 Vrechigh Head Motor item number Adjustment Method of Vreclow X2 speed item numberAdjustment Method of Vrecmiddle X4 speed item number Adjustment Method of Chgvlow item numberAdjustment Method of Chgilow Charge current item number Adjustment Method of Chgvhigh item numberAdjustment Method of Chgihigh Charge current item number Adjustment/checking and Connection Location Key Power Supply Adjustment Auto Item FeedConfiguration of power supply adjustment auto item feed Configuration of Overall Adjustment Mode Laser Power CheckConnection Checking methodOverall Adjustment Mode Title Display CD and MO Overall Adjustment Items Adjustment Method of CD and MO Overall Adjustment ModeOverall Adjustment error message MO overall adjustment items Remuse Clear Resume Clear Setting MethodPreparation Rewriting the Patch Data at Replacement of Main BoardPre-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 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 Case Section SectionExploded Views MT-MZN710-177 Not supplied Main board section Chassis Section101 105 106 102 103 107 104 Main Board Section311 Mechanism Deck MT-MZN710-177 301302 308 306 303307 304 305 309 310 356 359 355 Mechanism Deck MT-MZN710-177 358 357 365354 352 351Main 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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