Sony MZ-N707 Trst, Vg Ctl, Aout SEL, Rec Opr Led, Tsb Ssb Ctl, GND SW2, Clk Sel, MIC Sense, Vlon

Page 50

MZ-N707

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

 

 

 

57

TRST

I

Input terminal for the test mode set (normally fixed at “L”)

 

 

 

 

 

 

 

58

XOPT CTL

O

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

 

 

 

 

 

 

 

59

VG CTL

O

VG power supply voltage control signal output terminal

Not used

 

 

 

 

 

 

 

 

 

60

AOUT SEL

O

HP/LINE changeover signal output terminal

Not used

 

 

 

61

REC OPR LED

O

LED ON/OFF control signal output terminal

Not used

 

 

 

62

TSB SSB CTL

O

TSB/SSB changeover control signal output Not used

 

 

 

 

 

 

 

 

63

GND SW2

O

Battery for Cradle ON/OFF switch control signal output terminal

Not used

 

 

 

 

 

 

 

64

CLK SEL

O

System clock select signal output to the power control

 

 

 

 

 

 

 

 

 

 

65

MIC SENSE

O

Mic sensitivity control signal output to the mic amplifier

 

 

 

“L”: Low sensitivity “H”: High sensitivity

(normally: “H”)

Not used

 

 

 

 

 

 

 

 

 

 

66

GND SW

O

GND changeover control signal output terminal

 

 

 

67

XCS LCD

O

Chip select signal output to the liquid crystal display element module

 

68

LCD STB

O

Strobe signal output to the liquid crystal display element module

 

 

 

 

 

 

 

69

MUTE

O

Analog muting control signal output for the headphone amplifier

“H”: muting ON

 

 

 

 

 

 

 

 

70

CS RTC

O

Chip select signal output terminal Not used

 

 

 

 

 

 

 

 

 

 

 

71

XCS NV1

O

Chip select signal (1) output to the nonvolatile memory

 

 

 

 

 

 

 

 

72

IFVDD1

—

Power supply terminal (for the microcomputer I/F block) (+2.3V)

 

73

IFVSS1

—

Ground terminal (for the microcomputer I/F block)

 

 

 

74

XRST MTR

O

Reset control signal output to the motor driver

“L”: reset

 

 

DRV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75

XRF RST

O

Reset control signal output to the RF amplifier

“L”: reset

 

 

 

 

 

 

 

 

 

 

76

SPDL MON

I

Spindle servo monitor signal input terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

77

XHOLD SW

I

HOLD switch input terminal

“L”: hold ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

78, 79

JOG A, B

I

Jog dial pulse input terminal

Not used

 

 

 

 

 

80, 81

PD S0, PD S1

O

PD IC mode changeover signal output to the optical pick up

 

 

82

PAUSE KEY

I

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

 

 

 

 

83

PROTECT

I

Detection input terminal of the record check claw from the protect detection switch “H”: protect

 

 

 

 

 

 

 

 

84

SLD MON

I

Sled servo monitor signal input terminal

 

 

 

 

 

 

 

 

85

VLON

O

Power supply control signal output for the laser diode drive to the power control

 

 

 

 

 

 

 

 

 

86

DVSS1

—

Ground terminal (for the DSP block)

 

 

 

 

 

87

DVDD1

—

Power supply terminal (for the DSP block) (+1.5V)

 

 

 

88

SLEEP

O

System sleep control signal output to the power control

“H”: sleep ON

 

89

FFCLR

O

Input latch output for the start switching to the power control

 

 

 

 

 

 

 

 

 

90

CHG GAIN

O

Charge gain control signal output to the power control

 

 

 

 

 

 

 

91

CHG CTL

O

Charge ON/OFF control signal output to the power control “H”: charge ON

 

 

 

 

 

 

 

 

92

CHGI CTL

O

Charge current control signal output terminal

Not used

 

 

 

 

 

 

 

 

 

 

93

XHP STBY

O

Power supply control signal output for the head phone

 

 

 

94

XCS NV2

O

Chip select signal (2) output terminal

Not used

 

 

 

95

IFVSS2

—

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

 

 

 

96

IFVDD2

—

Power supply terminal (for the microcomputer I/F block) (+2.3V)

 

 

 

 

 

 

 

97

T MARK SW

I

T MARK (track mark) switch input terminal

“L”: track mark detection

Not used

 

 

 

 

 

98

NC

O

LED ON/OFF control signal output terminal for CHG (charge display)

Not used

 

 

 

 

 

 

 

 

99

NC

I

Initial switch detection input terminal

Not used

 

 

 

100

NC

—

Not used

 

 

 

 

 

 

101

XUDP UP ON

O

Pullup resistor changeover control signal output terminal

Not used

 

102

LCD RST

O

Reset control signal output to the liquid crystal display element module

“L”: reset

 

 

 

 

 

 

103

XMUTE

O

Analog muting control signal output terminal

“L”: muting ON

Not used

 

 

 

 

 

 

 

 

 

 

50

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Contents Specifications 873-458-01MZ-N707 Diagrams Table of ContentsDisassembly Flexible Circuit Board RepairingSection Servicing Notes System requirementsLooking at the controls Section GeneralSection Disassembly Disassembly FlowCase Lower Upper Panel SectionLCD MODULE, Upper Panel SUB Assy Mechanism Deck MT-MZN707-177Main Board OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy Gear HA Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeTransition Method in Manual Mode Configuration of Test ModeManual Mode N u a lSelf-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSELF-DIAGNOSIS Result Display Mode 8 S 1 BSetting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication HistoryA t U l R s R y M p # # # # # # Sound Skip Check Result Display ModeV r L a Y * * 0T O K * * 8 C O K * * 8S O K ? Section Electrical AdjustmentsS N V C C S e tR e c 0 * * 7 C d G n * * 3T F l g * * 7 R e c 1 * * 7P b 4 * * 7 P b 2 * * 7P b 3 * * 7 U m * * 8H P W M * * 7 Power Supply Manual AdjustmentL P W M * * 7 C p w L * * 7 P w m L * * 7P w m H * * 7 C p w H * * 7E f P w T T m p * * 0S e r I t P wIC501 Main Board Component SideS t S y * * 0S y 1 Adjustment Method of CD and MO Overall Adjustment Mode CD and MO Overall Adjustment ItemsS C l r 0 Resume Clear Setting Method# # # S 0 0 0 Resume ClearPre-check PreparationServicing Notes Rewriting the Patch DataMZ-N707 MZ-N707 Section Diagrams Block Diagram SERVO/USB SectionBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Semiconductor Location Main Board Component SideIC902 Components identified by mark 0or dotted F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT Waveforms 22.7 ∝ sIC Block Diagrams IC301 AK5354VT-E2 IC302 TA2131FL ELIC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVDD0 DRAMVSS0DVSS0 SSB DataAout SEL TrstVG CTL REC OPR LEDWK DET Vref MONVbus DET REC KEYAoutl DavddVrefl VrefrIFVDD3 DVSS3DVDD3 IFVSS3Flashvdd FlashvssSection Exploded Views Upper PANEL, Case Lower SectionChassis Section MT-MZN707-177 Main board sectionMain Board Section 101 104 102 103301 353 Main Electrical Parts List SectionMain XPC18A22AFCR2 Resistor OPEN/CLOSE Detect EMI Filter Card Operating Instruction Revision History

MZ-N707 specifications

The Sony MZ-N707, released in the early 2000s, is a remarkable portable MiniDisc player that represents a significant leap forward in digital audio technology. Known for its compact size and impressive sound quality, the MZ-N707 quickly became a favorite among music enthusiasts during its heyday.

One of the standout features of the MZ-N707 is its advanced ATRAC (Adaptive Transform Acoustic Coding) audio compression technology. This proprietary format allows for high-quality audio playback while minimizing file size, making it easier for users to store and carry their favorite tracks. The MiniDisc format supports a variety of bit rates, enabling listeners to choose between higher quality or more storage capacity based on their personal preferences.

The MZ-N707’s sleek and lightweight design is ideal for on-the-go listening, fitting comfortably in a pocket or bag. It boasts a clear LCD display that provides essential information such as track titles, playback time, and battery life, ensuring users stay informed while enjoying their music.

Battery life is another major selling point for the MZ-N707. With the ability to run for several hours on a single charge, this player is perfect for long journeys or extended listening sessions. Additionally, it uses a rechargeable lithium-ion battery, which was a welcome feature at the time, reducing the need for frequent battery replacements and promoting environmental sustainability.

Connectivity options also make the MZ-N707 an appealing choice. It comes with an integrated USB port for easy data transfer between the player and a computer, allowing users to upload their favorite audio tracks with minimal hassle. Furthermore, it supports various audio formats, enabling compatibility with a wide range of music sources.

The MZ-N707 is equipped with a range of customizable sound settings, including equalizer presets that allow users to tailor the audio output to fit their listening preferences. This flexibility enhances the user experience, making it suitable for different genres and environments.

In summary, the Sony MZ-N707 MiniDisc player features cutting-edge technology, portability, excellent battery life, and user-friendly options that appeal to audiophiles and casual listeners alike. Its legacy is a testament to Sony's commitment to innovation in portable audio solutions during the early 21st century. Whether for casual listening or serious music collection, the MZ-N707 remains a notable device in the history of digital audio.
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