XAV-742 - Sony Car Audio Service Manual (repair manual). Page 47

57

MECHA_CTS

O

Clear to send signal output to the DVD mechanism deck block

58

CDP/SDP

O

VBUS charging mode selection signal output to the USB charging controller
“L”: not current 1.5 A, “H”: current 1.5 A

59

MHL_DET

I

MHL detection signal input terminal    Not used

60

VCC

-

Power supply terminal (+3.3V)

61

AP_RESET

O

Reset signal output to the panel section    “L”: reset

62

VSS

-

Ground terminal

63

AP_ON

O

Power supply on/off control signal output to the DC/DC converter    “H”: power on

64

ILL_IN

I

Illumination line detection signal input terminal for the automatic dimmer control    
“L”: dimmer on

65

NCO

-

Not used

66

EJECT

O

Loading motor drive signal (eject direction) output terminal    “H”: motor on

67

LOAD

O

Loading motor drive signal (loading direction) output terminal    “H”: motor on

68

DR_ON

O

Power supply on/off control signal output terminal for loading motor driver    “H”: power on

69

VMUTE

O

Video muting on/off control signal output to the video select IC    “L”: muting on

70, 71

SEL_VOUT0, 

SEL_VOUT1

O

Video signal selection signal output to the video select IC

72

NOSE_SW

I

Error signal input from the front panel section    “L”: normal mode

73, 74

SEL_VIN0, SEL_VIN1

O

Video signal selection signal output to the video select IC

75

AP_Tx

O

Serial data output to the panel section

76

AP_Rx

I

Serial data input from the panel section

77

EN_SYS

O

Power supply on/off control signal output terminal for DC/DC converter    “H”: power on

78

MHL_RST

O

MHL reset signal output terminal    Not used

79

USB_ON1

O

Power supply on/off control signal output terminal for USB section    “H”: power on

80

USB_OVER

I

USB over current detection signal input from the DC/DC converter    “L”: over current

81

RE_0

I

Jog dial pulse input from the panel section (for volume)

82

POSITION

I

Front panel position detection signal input from the motor section

83

IDET

I

Monitor open/close motor drive current detection signal input from the motor section

84

TEMP

I

Temperature detection signal input from the motor section

85

KEY_IN0

I

Front panel key input terminal (A/D input)

86

RC_IN0

I

Rotary commander key input terminal (A/D input)

87

RCACK

I

Acknowledge signal (wake up signal) input terminal for the rotary commander key entry    
Acknowledge signal is input to accept any function key in the standby state    On at input of “H”

88

KEYACK

I

Acknowledge signal (wake up signal) input terminal for the front panel key entry    
Acknowledge signal is input to accept any function key in the standby state    On at input of “H”

89

RC_IN1

I

Rotary commander key input terminal

90

M_LOW

O

Monitor open/close speed (low) control signal output to the motor section

91

M_MID

O

Monitor open/close speed (middle) control signal output to the motor section

92

USB_ON2

O

Power supply on/off control signal output terminal for USB section    “H”: power on

93

CLOSE

I

Monitor close detection switch input terminal

94

AVSS

-

Ground terminal

95

MOTOR_ON

O

Power supply on/off control signal output to the motor section    “H”: power on

96

VREF

I

Reference voltage (+3.3V) input terminal (for A/D converter)

97

AVCC

-

Power supply terminal (+3.3V)

98

MOTOR_+

O

Monitor open/close motor drive signal (forward direction) output to the motor section

99

MOTOR_-

O

Monitor open/close motor drive signal (reverse direction) output terminal    Not used

100

NCO

-

Not used