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Sony Ericsson service manual CDX-M620/M670, DC/DC converter power control signal

Models: CDX-M620

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CDX-M620/M670

Pin No.

Pin Name

I/O

Pin Description

 

 

 

 

57

DDC ON

O

DC/DC converter power control signal

 

 

 

 

58

CD EJECT OK

O

CD eject control signal

 

 

 

 

59

CD OPEN REQ

I

Front panel open request signal

 

 

 

 

60

(NCO)

O

Not used. (Open)

 

 

 

 

61

OPEN KEY

I

OPEN key detection signal

 

 

 

 

62

NOSE SW

I

Nose SW detection signal

 

 

 

 

63

VSS

—

Ground

 

 

 

 

64

DETACH SW

I

Detach SW detection signal

 

 

 

 

65

PWM

I

Oscillation frequency count input

 

 

 

 

66 – 68

(NCO)

O

Not used. (Open)

 

 

 

 

69

FLASH W

I

Flash write-in signal

 

 

 

 

70

I2C SIO

I/O

I2C serial data input/output

 

 

 

 

71

I2C CKO

I/O

I2C serial clock input/output

 

 

 

 

72

RC IN1

I

Rotary commander input 1

 

 

 

 

73

X1A

—

Crystal oscillator (32.768 kHz)

 

 

 

 

74

X0A

—

Crystal oscillator (32.768 kHz)

 

 

 

 

75

DAVN

I

RDS data acquisition detect signal

 

 

 

 

76

CDON IN

I

CD mechanism power control signal

 

 

 

 

77

BU IN

I

Back-up power detection signal

 

 

 

 

78

DSP READY

I

DSP ready signal

 

 

 

 

79

KEY ACK

I

Key acknowledge signal

 

 

 

 

80

AD ON

O

A/D converter power control signal

 

 

 

 

81

ACC IN

I

Accessory key ON signal

 

 

 

 

82

FLS PWON

O

Flash power ON control signal

 

 

 

 

83

PW ON

O

Audio circuit power ON control signal

 

 

 

 

84

TEST IN

I

Test mode initial setting detection signal

 

 

 

 

85

RAM BU

I

RAM reset detection signal

 

 

 

 

86

HSTX

I

Hardware standby input

 

 

 

 

87

MD2

I

Connecting to ground in this set.

 

 

 

 

88

MD1

I

Connecting to VCC in this set.

 

 

 

 

89

MD0

I

Connecting to VCC in this set.

 

 

 

 

90

RSTX

I

Reset input

 

 

 

 

91

VSS

—

Ground

 

 

 

 

92

X0

—

Crystal oscillator (3.68 MHz)

 

 

 

 

93

X1

—

Crystal oscillator (3.68 MHz)

 

 

 

 

94

VCC

—

Power supply pin (+5 V)

 

 

 

 

95

ILL IN

I

Illumination dimmer control signal

 

 

 

 

96

I DET

I

OPEN/CLOSE motor abnormal current detection

 

 

 

 

97

MOT –

O

OPEN/CLOSE motor control signal

 

 

 

 

98

MOT +

O

OPEN/CLOSE motor control signal

 

 

 

 

99

CLOSE SW

I

Close SW detection signal

 

 

 

 

100

OPEN SW

I

Open SW detection signal

 

 

 

 

101

CENT SW

I

Cent SW detection signal

 

 

 

 

102

(NCO)

O

Not used. (Open)

 

 

 

 

103

CDMD SEL

I

CD/MD selector signal

 

 

 

 

104

DEST SEL1

I

Destination selector signal 1

 

 

 

 

105

DEST SEL2

I

Destination selector signal 2

 

 

 

 

106

BOOT

O

Display CPU write-in control signal

 

 

 

 

107

(NCO)

O

Not used. (Open)

 

 

 

 

108

DSP ON

O

DSP power control signal

 

 

 

 

109

SENS ON

O

Not used. (Open)

 

 

 

 

110

EMPH IN

I

Emphasis input

 

 

 

 

111

PACK IN

I

Pack detection signal

 

 

 

 

30

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Sony Ericsson service manual CDX-M620/M670, DC/DC converter power control signal
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