Sony MZ-NF610 service manual Chgadsel

Page 54

MZ-NF610

Pin No.

Pin Name

I/O

 

 

 

 

Description

 

 

 

 

 

 

111

BATT_CTL

O

Control signal output for the voltage step up circuit in the external battery case Not used (open)

 

 

 

 

 

 

 

112

VREC_CTL

O

VREC voltage control signal output

Not used (open)

 

 

 

 

 

 

 

 

113

XRST_CHG_IC

O

Reset signal output to the battery charge control IC

 

 

 

 

 

 

 

 

114, 115

PD_S0, 1

O

PD IC mode changeover signal output to the optical pick up

 

 

 

 

 

 

 

 

 

116

LINK_MON

O

Linking area monitor signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

117

PL_CTL

O

Plunger control signal output

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

118

GND_SW

O

Ground changeover switch control signal output

 

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

119, 120

NC

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

121

SLD_MON

I

Sled servo monitor signal input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

122

NC

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

123

SLEEP

O

System sleep control signal output to the power control

 

 

 

 

 

 

 

 

124

FFCLR

O

Input latch output for the start switching to the power control

 

 

 

 

 

 

125

CHGI_CTL1

O

Charge current limit ON/OFF control signal output at the time of adaptor use

 

 

 

 

126

CHGI_CTL2

O

Charge current limit value changeover control signal output at the time of adaptor use Not used (open)

 

 

 

 

 

 

 

127

ORANGE_LED

O

Orange LED ON/OFF control signal output

Not used (open)

 

 

 

 

 

 

128

CHG_LED

O

LED ON/OFF control signal output for CHG (charge display) Not used (open)

 

 

 

 

 

 

 

129

XTEST

I

Terminal for the test mode setting (normally open)

ÒLÓ: test mode

 

 

 

 

 

 

 

 

 

130

XRF_RST

O

Reset control signal output to the RF amplifier

ÒLÓ: reset

 

 

 

 

 

 

131

XEXT_PWR

I

External power supply (AC adaptor/charging stand) detection signal input

 

 

 

 

 

 

 

 

 

 

132

XHOLD_SW

I

HOLD switch input terminal

ÒLÓ: hold ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

133

COUT_MON

I

Traverse count measurement monitor input

 

 

 

 

 

 

 

 

 

134

CHG_ADSEL

O

A/D terminal of the battery charge contro IC output selection signal output

 

 

 

 

135

CHGI_SEL

O

Charge/discharge changeover control signal output for the current sense amplifier

 

 

 

 

 

 

 

 

136

XDC_IN

I

DC plug detection signal input

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

137

SPDL_MON

I

Spindle servo monitor signal input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

138

XCS_PWR_IC

O

Chip select signal output to the power control

 

 

 

 

 

 

 

 

 

139, 140

D_EN1, 2

O

Control signal output for the D class headphone amplifier Not used (open)

 

 

 

 

 

 

141

XCS_LCD

O

Chip select signal output to the liquid crystal display module

 

 

 

 

 

 

 

 

142

LCD_STB

O

Strobe signal output to the liquid crystal display module

 

 

 

 

 

 

 

 

 

143

XRST_MTR_DRV

O

Reset control signal output to the motor driver

ÒLÓ: reset

 

 

 

 

 

 

 

 

144

XCS_NV

O

Chip select signal output to the nonvolatile memory

 

 

 

 

 

 

 

 

145

CHG_PWM

O

Output voltage control signal output to the battery charge control

 

 

 

 

 

 

146

VREC_PWM

O

PWM signal output for the Over write head drive power supply voltage control to the REC driver

 

 

 

 

147

NC

O

PWM signal output for the laser power supply voltage control to the power control Not used (open)

 

 

 

 

148

NJM_XMUTE

O

Muting control signal to the headphone amplifier (NJM type made by JRC) Not used (open)

 

 

 

 

 

149

D_VO_PWM

O

Power supply control signal output for the D class headphone amplifier

Not used (open)

 

 

 

 

 

 

 

150

XCS_REC_DRV

O

Chip select signal output to the REC driver

Not used (open)

 

 

 

 

 

 

 

 

151

T_MARK _SW

I

T MARK (track mark) switch input terminal

ÒLÓ: track mark detection

Not used (open)

 

 

 

 

 

152

JOG_A

I

Jog dial pulse input from the switch & liquid crystal display module

Not used (open)

 

 

 

 

 

153

JOG_B

I

Jog dial pulse input from the switch & liquid crystal display module

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

154, 155

NC

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

156

SSB_DATA

I/O

SSB data input/output with the RF amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

157

SSB_CLK

O

SSB clock output to the RF amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

158

VBUS_DET

I

USB power supply voltage detection terminal

 

 

 

 

 

 

 

 

 

159

VB_MON

I

Voltage monitor input terminal (A/D input) of the UNREG power supply

 

 

 

 

 

160

CHG_MON

I

Decrement of voltage detection and charge/discharge current monitor input from the battery charge control

 

 

 

 

 

 

161

VREF_MON

I

Reference voltage monitor input (A/D input) from the RF amplifier

 

 

 

 

 

 

 

162, 163

SET_KEY_1, 2

I

Key input (A/D input) from the switch & liquid crystal display module

 

 

 

 

 

 

164

CRADLE_DET

I

USB cradle or battery case detection signal input

Not used (connected to the ground)

 

 

 

 

 

 

 

 

 

165

HIDC_MON

I

HIGH DC voltage monitor input (A/D input)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

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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 Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition Method in Manual Mode Overall Adjustment Mode Self-Diagnosis Result Display ModeSelf-Diagnosis Result Display Mode Setting Method Setting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication HistoryCause of Sound Skip Error Sound Skip Check Result Display ModeSetting Method of Sound Skip Check Result Display Mode 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 Vrecmiddle X4 speed item number Adjustment Method of Vreclow X2 speed item numberAdjustment Method of Vrechigh Head Motor item number Adjustment Method of Chgvlow item numberAdjustment Method of Chgvhigh item number Adjustment Method of Chgihigh Charge current item numberAdjustment Method of Chgilow Charge current item number Adjustment/checking and Connection Location Power Supply Adjustment Auto Item Feed Configuration of power supply adjustment auto item feedKey Connection Laser Power CheckConfiguration of Overall Adjustment Mode Checking methodOverall Adjustment Mode Title Display Adjustment Method of CD and MO Overall Adjustment Mode Overall Adjustment error messageCD and MO Overall Adjustment Items MO overall adjustment items Resume Clear Setting Method Remuse ClearPre-check Rewriting the Patch Data at Replacement of Main BoardPreparation Rewriting the Patch DataMZ-NF610 MZ-NF610 MZ-NF610 How to get the application NVWriter for NV values rewriting Rewriting the NV valuesRewriting 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 Section Exploded ViewsCase Section Chassis Section MT-MZN710-177 Not supplied Main board sectionMain Board Section 101 105 106 102 103 107 104Mechanism Deck MT-MZN710-177 301 302 308 306 303307 304 305 309 310311 354 Mechanism Deck MT-MZN710-177 358 357 365356 359 355 352 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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