Sony MZ-S1 service manual Chip select signal output terminal

MZ-S1

Pin No.

Pin Name

I/O

Description

55

KCS

O

Chip select signal output terminal

Not used

56

KDI

I

Data input terminal

Not used

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 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 terminal

Not used

91

CHG CTL

O

Charge ON/OFF control signal output terminal “H”: charge ON

Not used

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

50