MZ-G750/R700

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

 

 

 

52

AVD2

—

Power supply terminal (for the analog) (+2.4 V)

 

 

 

 

 

 

 

 

53

AVS2

—

Ground terminal (for the analog)

 

 

 

 

 

 

54

ADRB

I

A/D converter the lower limit voltage input (fixed at “L” in this set)

 

 

 

 

 

55

SE

I

Sled error signal input terminal Not used (fixed at “L”)

 

 

 

 

 

 

 

56

TE

I

Tracking error signal input from RF amp (IC501)

 

 

 

 

 

 

57

DCHG

—

Connecting analog power supply of the low impedance (fixed at “H” in this set)

 

 

 

 

58

APC

I

Error signal input for the laser automatic power control Not used (fixed at “H”)

 

 

 

 

 

 

59

DSPVDD0

—

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

 

 

 

 

 

 

 

 

60

DSPVSS0

—

Ground terminal (for DSP block)

 

 

 

 

 

 

 

61

XTSL

I

Input terminal for the frequency set up of the system clock

 

“L”: 45.1584 MHz, “H”: 22.5792 MHz (fixed at “L” in this set)

 

 

 

 

 

 

 

 

62

DIN1

I

Input terminal of the record system digital audio signal

 

 

 

 

 

 

63

DOUT

O

Output terminal of the playback system digital audio signal

Not used (open)

 

 

 

 

 

64

DAPWMLP

O

D/A converter PWM output (L-CH right phase)

Not used (open)

 

 

 

 

 

65

DAPWMLN

O

D/A converter PWM output (L-CH reverse phase)

Not used (open)

 

 

 

 

 

66

DAPWMRP

O

D/A converter PWM output (R-CH right phase)

Not used (open)

 

 

 

 

 

 

67

DADT

O

Audio data output Not used (open)

 

 

 

 

 

 

 

68

ADDT

I

Data signal input from the external A/D converter (IC301)

 

 

 

 

 

69

LRCK

O

L/R sampling block signal (44.1 kHz) output to the external A/D converter (IC301)

 

 

 

 

70

XBCK

O

Bit clock signal (2.8224 MHz) output to the external A/D converter (IC301)

 

 

 

 

71

FS256

O

11.2896 MHz clock signal output to the external A/D converter (IC301)

 

 

 

 

 

72

MVCI

I

Vibrate input for the digital in PLL from the external VCO

Not used (fixed at “L”)

 

 

 

 

 

 

73

DSPVDD1

—

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

 

 

 

 

 

 

74

ADFG

I

ADIP duplex FM signal (20.05 ± 1 kHz) input from RF amp (IC501)

 

 

 

 

 

 

75

F0CNT

O

Filter cut off control signal output Not used

 

 

 

 

 

 

 

 

76

DIFVDD0

—

Power supply terminal (for DSP I/F) (+2.3 V)

 

 

 

 

 

 

 

 

77

DIFVSS0

—

Ground terminal (for DSP I/F)

 

 

 

 

 

 

78

APCREF

O

Control signal output to the reference voltage generation circuit for the laser

automatic power control

 

 

 

 

 

 

 

 

 

 

 

 

79

LDDR

O

PWM signal output for the laser automatic power control

Not used (open)

 

 

 

 

80

TRDR

O

Tracking servo drive PWM signal output (–) to the motor driver (IC551)

 

 

 

 

81

TFDR

O

Tracking servo drive PWM signal output (+) to the motor driver (IC551)

 

 

 

 

82

FFDR

O

Focus servo drive PWM signal output (+) to the motor driver (IC551)

 

 

 

 

83

FRDR

O

Focus servo drive PWM signal output (–) to the motor driver (IC551)

 

 

 

 

84

MCUVDD1

—

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

 

 

 

 

85

FGIN

I

FG signal input terminal for the spindle servo Not used (open)

 

 

 

 

86

FS4

O

176.4 MHz clock signal output to the power control (IC601, IC901)

 

 

 

 

87

SPRD/SPDU/RTG0

O

Spindle servo drive PWM signal output terminal (–) to the motor driver (IC551)

 

 

 

 

 

 

88

SPFD/SPVS/PWM3

O

Spindle servo drive PWM signal output (+)

 

 

 

 

 

 

89

SPDV/RTG1

O

Spindle motor drive control signal output (V)/RTG output 1 to the motor

driver (IC551)

 

 

 

 

 

 

 

 

 

 

 

90

SPDW/RTG2

O

Spindle motor drive control signal output (W)/RTG output 2 to the motor

driver (IC551)

 

 

 

 

 

 

 

 

 

 

 

 

 

91

DSPVDD2

—

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

 

 

 

 

 

 

 

 

92

DSPVSS1

—

Ground terminal (for DSP block)

 

 

 

 

 

 

93

SPCU

I

Spindle motor drive comparison signal input (U) from the motor driver (IC551)

 

 

 

 

94

SPCV

I

Spindle motor drive comparison signal input (V) from the motor driver (IC551)

 

 

 

 

95

SPCW

I

Spindle motor drive comparison signal input (W) from the motor driver (IC551)

 

 

 

 

96

SRDR

O

Sled servo drive PWM signal output (–) to the motor driver (IC551)

 

 

 

 

97

SFDR

O

Sled servo drive PWM signal output (+) to the motor driver (IC551)

 

 

 

 

98

SLDV

O

Sled motor drive signal output (V) to the motor driver (IC551)/drive control signal

output (1–)

 

 

 

 

 

 

 

 

 

 

 

 

 

31

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Image 31
Sony MZ-R700 DSPVDD0, DSPVSS0, Xtsl, Lrck, DSPVDD1, DIFVSS0, Lddr, FS4, SPFD/SPVS/PWM3, DSPVDD2, DSPVSS1, Spcu, Spcv, Spcw
Page 30 Page 32

MZ-R700 specifications

The Sony MZ-R700 is a compact digital minidisc recorder that has made a significant mark in the portable audio landscape since its introduction. Known for its outstanding sound quality and portable design, it appeals to audiophiles and casual listeners alike. The MZ-R700 is lauded for its ability to record and playback high-quality audio, making it a go-to device for musicians, DJs, and anyone who values sound fidelity.

One of the main features of the MZ-R700 is its ability to record music in various formats. It supports the ATRAC (Adaptive Transform Acoustic Coding) compression format, which allows users to store more audio data on a minidisc while maintaining remarkable sound clarity. This technology ensures that even with compression, the audio remains rich and engaging.

The MZ-R700 comes equipped with a digital recording feature, enabling users to transfer tracks directly from CDs or other digital sources without sacrificing quality. It is compatible with a wide range of digital audio formats, allowing for flexibility in recording options. Additionally, the device offers various recording modes, giving users the choice between standard quality and long-play modes, depending on their needs.

Portability is a key characteristic of the MZ-R700. Weighing just a few ounces and featuring a sleek, ergonomic design, it fits comfortably in the hand and can easily be carried in a pocket or bag. Its user-friendly interface includes an LCD screen that displays track information, making it easy for users to navigate through their music library.

Another notable feature is its battery efficiency. The MZ-R700 is powered by a rechargeable lithium-ion battery, providing extended playback time. Users can enjoy hours of continuous music playback, making it perfect for long journeys or outdoor activities.

The popular mic input allows for live recordings, a feature that musicians and podcasters find particularly beneficial. Moreover, the unit supports various input options, including a line-in and a 3.5mm microphone jack, ensuring versatility for different recording needs.

In summary, the Sony MZ-R700 is a robust and feature-rich digital minidisc recorder that combines portability, superior sound quality, and user-friendly design. With advanced recording technologies and efficient battery life, it caters to a variety of audio enthusiasts, making it a remarkable choice for portable sound recording and playback.
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