Sony HCD-PX333 MD/CD Power, TR Relay, GC Power, Kbd Chk, Led Md-Play, Led Cd-Play, Led Md-Rec

HCD-PX333

Pin No.

Pin Name

I/O

Description

46

MD/CD POWER

O

Power down detection signal output to the MD mechanism controller (IC1001) and CD

mechanism controller (IC1101)

47

TR RELAY

O

Standby relay (RY991) control signal output

(“L”: standby, “H” : power on)

PC LINK/KEY BOARD (CN104) ON/OFF control signal output

(“H”: on, “L” : off)

48

RECMUTE

O

Muting on/off control signal output of tape output signal

“L”: muting on

49

O

LCD back light on/off control signal output

“H”: LED on

DIMMER

50

GC POWER

O

Not used (open)

51

KBD CHK

I

Key board check signal input terminal

52

LED MD-PAUSE

O

LED drive signal output of the X (MD) indicator (D605)

“H”: LED on

53

LED MD-PLAY

O

LED drive signal output of the N (MD) indicator (D604)

“H”: LED on

54

LED CD-PAUSE

O

LED drive signal output of the X (CD) indicator (D603)

“H”: LED on

55

LED CD-PLAY

O

LED drive signal output of the N (CD) indicator (D602)

“H”: LED on

56

LED MD-REC

O

LED drive signal output of the REC indicator (D606)

“H”: LED on

57

LED STANDBY

O

LED drive signal output of the I/1 indicator (D601)

“H”: LED on

58

BVDD

—

Power supply terminal (+5V)

59

BVSS

—

Ground terminal

60

LED DATA

O

Serial data output terminal for LED driver

Not used (open)

61

LED CLK

O

Serial data transfer clock signal output terminal for LED driver

Not used (open)

62

LED CE1

O

Chip select signal output terminal for LED driver Not used (open)

63

LED CE2

O

Fan motor (M901) drive signal output

“H”: fan motor on

64

LED CLEAR

O

Reset signal output terminal for LED driver

Not used (open)

65, 66

FUNC1, FUNC2

O

Function selection signal output terminal Not used (open)

67

HEADPHONE IN

I

Headphone in detection signal input

“H”: headphone in

68

ENC VOL A

I

Jog dial pulse input from the rotary encoder

A phase input

Not used (fixed at “L”)

69

ENC VOL B

I

Jog dial pulse input from the rotary encoder

B phase input

Not used (fixed at “L”)

70

ENC JOG 1A

I

Jog dial pulse input from the rotary encoder

A phase input

Not used (fixed at “L”)

71

ENC JOG 1B

I

Jog dial pulse input from the rotary encoder

B phase input

Not used (fixed at “L”)

72, 73

DEVICE3,

—

Not used (fixed at “L”)

DEVICE2

74

AVDD

—

Power supply terminal (+5V)

75

AVSS

—

Ground terminal

76

AVREF

I

Reference voltage (+5V) input terminal

77, 78

LID SW1,

I

Switch input terminal Not used (fixed at “L”)

LID SW2

79 to 82

DIST 1 to DIST 4

I

Model destination setting terminal

83

LEVEL-L

I

L-ch level input terminal

Not used (fixed at “L”)

84

LEVEL-R

I

L-ch level input terminal

Not used (fixed at “L”)

85

KEY1

I

Key input terminal (A/D input)

S601 to S606 (I/1, x (CD), N X CD, M >,

TUNING +, VOLUME –, VOLUME + keys input)

86

KEY2

I

Key input terminal (A/D input)

S621 to S628 (. m TUNING –, FUNCTION,

PLAY MODE TUNING MODE, REPEAT STEREO/MONO, REC MODE, REC/REC IT,

CD SYNC NORMAL, CD SYNC HIGH keys input)

87

KEY3

I

Key input terminal (A/D input)

S631 to S637 (Z MD, x (MD), . m, N X MD,

M >, Z CD, TUNER/BAND keys input)

88

KEY4

I

Key input terminal (A/D input)

Not used (fixed at “H”)

89

NMI

I

Non-maskable interrupt input terminal

Fixed at “L” in this set

90

KBD CLK

I

Key board data reading clock signal input terminal

91

KEY RM INT

I

Interrupt signal input from function keys or remote control receiver

91