Sony CD Walkman D-NE509, Service Manual

11

D-NE509

• IC701  CXR710160-203R (SOUND PROCESSOR)

Pin No.

Pin Name

I/O

Pin Description

1

LRCH

I

D/A I/F L/R clock input from CXD3048

2

BCK

I

D/A I/F bit clock input from CXD3048

3

VDIOCD0

—

Power supply (+2.0 V)

4

PCMD

I

D/A I/F serial data input from CXD3048

5

DVDD4

—

Power supply (+1.5 V)

6

TAPTDO

O

Debug signal output

7

SCANEN

I

Not used (fixed at “L”)

8

DVDD0

—

Power supply (+1.5 V)

9

DVSS0

—

Ground

10

VDIO0

—

Power supply (+2.0 V)

11

VDIOCD1

—

Power supply (+2.0 V)

12

PF4

I

XRDE monitor signal input from CXD3048

13

PI3

O

D/A I/F bit clock output to CXD3048

14

PI2

O

D/A I/F L/R clock output to CXD3048

15

PI0

O

D/A I/F serial clock output to CXD3048

16

EVA

I

Mode select input terminal

17

KCLK

O

Not used (open)

18

KSC

O

Not used (open)

19

VDIO1

—

Power supply (+2.0 V)

20

KDI

O

Not used (open)

21

KDO

I

Not used (fixed at “L”)

22

KRB

I

Not used (fixed at “L”)

23

DVDD1

—

Power supply (+1.5 V)

24

DVSS3

—

Ground

25

AVDPLL

—

Power supply (PLL) (+2.6 V)

26

AVSPLL

—

Ground (PLL)

27

AVSOSC

—

Ground

28

AVDMO

—

Power supply (+2.6 V)

29

EXTAL

I

System clock input (22 MHz)

30

XTAL

O

System clock output (22 MHz)

31

XIN

I

System clock input (22 MHz)

32

OSSEL

I

Input terminal for clock frequency setting (fixed at “L”)

33

NRST

I

Reset signal input

34

PF0

I

Interrupt signal input to TMP91CW28FG

35

PF1

I

Not used (fixed at “L”)

36

PF2

O

Pull up to 2.0 V

37

PF3

O

REQ signal output to TMP91CW28FG

38

PC0

I

Clock signal input from TMP91CW28FG

39

VDIOCD2

—

Power supply (+2.0 V)

40

PC1

O

Serial data output to TMP91CW28FG

41

PC2

I

Serial data input from TMP91CW28FG

42

PC3

I

Data latch signal input from TMP91CW28FG

43

DVDD2

—

Power supply (+1.5 V)

44

DVSS2

—

Ground

45

PE0

—

Not used (open)

46

PE1

—

Not used (open)

47

PE2

—

Not used (fixed at “L”)

48

PE3

—

Not used (open)

49

VDIO2

—

Power supply (+2.0 V)

50

TACK (TEST6)

O

Not used (open)

51

XOUT (TEST5)

O

Not used (open)

52

TRST (TEST4)

I

Not used (fixed at “L”)