Sony HCD-PX333 Drvdat, Drvclk, Clk, Evdd, Evss, XLT Sense, Lph, Subq, Sqclk, CTRL1, Gnd/Vpp, XT2

HCD-PX333

•MD DIGITAL BOARD IC1101 ∝PDSS3033AYGF-M10-3BA (CD MECHANISM CONTROLLER)

Pin No.

Pin Name

I/O

Description

1

DRVDAT

O

Serial data output to a FL driver

Not used (open)

2

DRVCLK

O

Serial data transfer clock signal output to a FL driver

Not used

3

I2CDAT

I

Data input/output terminal for the IIC bus

4

NC

O

Not used (open)

5

I2CCLK

I

Shift clock signal input/output terminal for the IIC bus

6

GND

—

Ground terminal

7

DATA

O

Serial data output to the CD block

8

CLK

O

Serial data transfer clock signal output to the CD block

9

EVDD

—

Power supply terminal (+5V)

10

EVSS

—

Ground terminal

11

O

Serial data latch pulse output to the CD block

XLT

12

SENSE

I

Internal status detection monitor input from the CD block

13

LDON

O

Laser diode on/off control signal output to the CD block

14

LPH

O

Laser power control signal output terminal

Not used (open)

15

SUBQ

I

Subcode Q data input from the CD block

16

NC

O

Not used (open)

17

SQCLK

O

Subcode Q data reading clock signal output to the CD block

18

CTRL1

O

Disc speed selection (normal/double speed) signal output to the CD block

19

X4

O

Disc speed selection (normal/quadruple speed) signal output to the CD block

20

8CM

O

CD disc size select (8cm/12cm) signal output terminal

Not used (open)

21

GND/VPP

—

Ground terminal

22

SPINDLEMUTE

O

Spindle motor muting control signal output to the CD block

“H”: muting on

23 to 29

NC

O

Not used (open)

30

O

Muting on/off control signal output to the D/A converter (IC1006) “L”: muting on

AMUTE

31

BDPWR

O

Power supply for the CD block on/off control signal output

“H”: power on

32

O

Reset signal output to the CD block

BDRST

33

O

Function select signal output terminal

Not used (open)

FUNC ST

34

I

Reset signal input from the system controller (IC501)

RESET

35

XT1

I

Sub system clock input terminal

Not used (fixed at “L”)

36

XT2

O

Sub system clock output terminal

Not used (open)

37

CHEMICON

I

Connected to the external capacitor

38

X2

O

Main system clock output terminal (16MHz)

39

X1

I

Main system clock input terminal (16MHz)

40

VSS

—

Ground terminal

41

VDD

—

Power supply terminal (+5V)

42

NC

—

Not used (open)

43 to 45

ENCODE0 to

I

Jog dial pulse input terminal Not used (fixed at “H”)

ENCODE2

46

NC

O

Not used (open)

47

TRAYSENCE3

I

Detection input from the disc tray address detect rotary encoder

Not used (fixed at “H”)

48

I

Detection input from the count detect switch

Not used (fixed at “H”)

CNT-SW

49

I

Detection input from the protect switch

Not used (fixed at “H”)

PRTC-SW

50, 51

TRAYSENS1,

I

Detection input from the disc tray address detect rotary encoder

Not used (fixed at “H”)

TRAYSENS2

52

I

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

“L”: when tray is open

OUT-SW

88