Pin No.

Pin name

I/O

Pin Description

56

AVSS

Ground terminal.

 

 

 

 

57

PDO

Not used (Open).

 

 

 

 

58

PCO

O

Decoder PLL master clock PLL phase comparison output.

 

 

 

 

59

FILI

I

Decoder PLL master clock PLL filter input.

 

 

 

 

60

FILO

O

Decoder PLL master clock PLL filter output.

 

 

 

 

61

CLTV

I

Decoder PLL master clock PLL VCO control voltage input.

 

 

 

 

62

PEAK

I

Inputs peak hold signal for light amount signal from RF amplifier (IC501).

 

 

 

 

63

BOTM

I

Inputs bottom hold signal for light amount signal from RF amplifier (IC501).

 

 

 

 

64

ABCD

I

Light amount signal from RF amplifier (IC501).

 

 

 

 

65

FE

I

Input focus error signal from RF amplifier (IC501).

 

 

 

 

66

AUX1

I

Input of auxiliary signal from RF amplifier (IC501).

 

 

 

 

67

VC

I

Input of middle point voltage (+1.4 V) from RF amplifier (IC501).

 

 

 

 

68

ADIO

Not used (Open).

 

 

 

 

69

AVDD

Power supply (+2.8 V) for analog.

 

 

 

 

70

ADRT

Not used (Connect to +2.8 V).

 

 

 

 

71

ADRB

Not used (Connect to ground).

 

 

 

 

72

AVSS

Ground terminal.

 

 

 

 

73

SE

I

Input of sled error signal from RF amplifier (IC501).

 

 

 

 

74

TE

I

Input of tracking error signal from RF amplifier (IC501).

 

 

 

 

75

AUX2

Not used (Connect to +2.8 V).

 

 

 

 

76

DCHG

Not used (Connect to +2.8 V).

 

 

 

 

77

APC

Not used (Connect to +2.8 V).

 

 

 

 

78

ADFG

I

Input of ADIP dual FM signal from RF amplifier (IC501) (22.05 kHz ± 1 kHz).

(TTL Schmit input)

 

 

 

 

 

 

 

79

FO CONT

O

Focus control output to RF amplifier (IC501).

 

 

 

 

80

XLRF

I

Latch signal input from RF amplifier (IC501).

 

 

 

 

81

CKRF

O

RFCK clock (7.35 kHz) signal output.

 

 

 

 

82

DTRF

I

Serial data input from RF amplifier (IC501).

 

 

 

 

83

APCREF

I

Laser power setting signal input.

 

 

 

 

84

LDDR

Not used (Open).

 

 

 

 

85

TRDR

O

Tracking servo drive signal output (–).

 

 

 

 

86

TFDR

O

Tracking servo drive signal output (+).

 

 

 

 

87

DVDD

Power supply (+2.8 V) for digital.

 

 

 

 

88

FFDR

O

Focus servo drive signal output (+).

 

 

 

 

89

FRDR

O

Focus servo drive signal output (–).

 

 

 

 

90

FS4

O

176.4 kHz clock signal output (MCLK).

 

 

 

 

91

SRDR

O

Sled servo drive signal output (–).

 

 

 

 

92

SFDR

O

Sled servo drive signal output (+).

 

 

 

 

93

SPRD

O

Spindle servo drive signal output (–).

 

 

 

 

94

SPFD

O

Spindle servo drive signal output (+).

 

 

 

 

95

FGIN

I

FG signal input from spindle motor driver (IC761).

 

 

 

 

96

TEST1

Not used (Connect to ground).

 

 

 

 

97

TEST2

Not used (Connect to ground).

 

 

 

 

98

TEST3

Not used (Connect to ground).

 

 

 

 

99

DVSS

Ground terminal.

 

 

 

 

100

EFMO

O

EFM recording signal output.

 

 

 

 

– 21 –

Page 21
Image 21
Sony MZ-R37 specifications Avss, Fili, Filo, Xlrf, Lddr, FS4, Srdr, Sfdr, Sprd, Spfd, TEST1, TEST2, TEST3