Sony HCD-PX333 In-Sw, Lod Pos, Lod Neg, Clp Pos, CLP NEG Bvdd, Bvss, Avref, Tel, SEL3, Disc-Sens

HCD-PX333

Pin No.

Pin Name

I/O

Description

53

I

Detection input from the tray open/close detect switch (S1)

“L”: when tray is close

IN-SW

CD loading motor (M201) control signal output to the motor driver IC (IC1102)

54

LOD POS

O

“L” active

*1

CD loading motor (M201) control signal output to the motor driver IC (IC1102)

55

LOD NEG

O

“L” active

*1

56

O

Motor control signal output to the motor driver IC

“L” active

Not used (open)

CLP POS

57

O

Motor control signal output to the motor driver IC

“L” active

Not used (open)

CLP NEG

58

BVDD

—

Power supply terminal (+5V) (for digital system)

59

BVSS

—

Ground terminal (for digital system)

60 to 73

NC

O

Not used (open)

74

AVDD

—

Power supply terminal (+5V)

75

AVSS

—

Ground terminal

76

AVREF

I

Reference voltage (+5V) input terminal

77 to 80

KEY0 to KEY3

I

Key input terminal (A/D input)

Not used (fixed at “H”)

81 to 83

SEL0 to SEL2

I

Model destination setting terminal (A/D input)

84

TEL

I

Tracking error level detection input terminal

Not used (open)

85

SEL3

I

Model (CD mechanism deck) destination setting terminal (A/D input)

86

DISC-SENS

I

Detection input from the disc in detect sensor (A/D input)

“H”: disc in Not used (open)

87

MECHA-JIGU

I

Not used (open)

88

I

Setting terminal for the CD test mode

“L”: CD test mode

Normally: fixed at “H”

ADJ

89

I

Busy signal input for the IIC bus

I2CHELP

90

I

Busy signal input for the IIC bus

I2CHELP

91

SCOR

I

Subcode sync (S0+S1) detection signal input from the CD block

92

NC

O

Not used (open)

93

I

Power off signal input from the system controller (IC501)

AC-CUT

94, 95

JOG0, JOG1

I

Rotary encoder jog dial pulse input terminal

Not used (fixed at “L”)

96

NC

O

Not used (open)

97

O

Serial data latch pulse output to a FL driver

Not used

LEDLAT

98

I

Chip select signal output to a FL driver

Not used

DRVCS

99

I

Reset signal output to a FL driver

“L”: reset

Not used

DRVRST

100

GND

—

Ground terminal

*1 Loading motor (M201) control

		Mode	LOADING	EJECT	BRAKE	RUN IDLE
Terminal
			“L”	“H”	“L”	“H”
	LOD NEG	(pin tg)
			“H”	“L”	“L”	“H”
	LOD POS	(pin tf)

89