Sony CDP-M205, Service Manual

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Pin No.

Pin name

I/O

Description.

1

VDD

–

+5V power supply

2

VSS

–

Ground

3

LMUT

O

Lch “L” detection flog (Not used)

4

RMUT

O

Rch “L” detection flog (Not used)

5

ACDT

O

Test output (Not used)

6

CKOUT

O

Master clock divider output (Not used)

7

SQCK

I

Clock input for SQSO read out

8

SQSO

O

Serial output for Sub-Q 80bit

9

SENS

O

SENS signal output to CPU

10

DATA

I

Serial data input, supplied from CPU

11

XLAT

I

Latch input, supplied from CPU

12

CLOK

I

Serial data transfer clock input, supplied from CPU

13

SEIN

I

SENS input from IC101

14

CNIN

I

Numbers of track jump counted signal input

15

DATO

O

Serial data output to IC101

16

XLTO

O

Serial data latch output to IC101

17

CLKO

O

Serial data transfer clock output to IC101

18

SPOA

I

Micro computer demodulation interface (Input A)

19

SPOB

I

Micro computer demodulation interface (Input B)

20

SPOC

I

Micro computer demodulation interface (Input C)

21

SPOD

I

Micro computer demodulation interface (Input D)

22

XLON

O

Micro computer demodulation interface (Output) (not used)

23

FOK

I

Focus OK input

24

VDD

–

+5V power supply

25

VSS

–

Ground

26

MON

O

Output to control ON/OFF of spindle motor (Not used)

27

MDP

O

Output to control spindle motor servo

28

MDS

O

Output to control spindle motor servo (Not used)

29

LOCK

O

GFS is sampled by 460Hz

30

PWMI

I

Input to control the outside spindle motor

31

TES0

I

Test pin (Connected to ground)

32

TES1

I

Test pin (Connected to ground)

33

VPCO2

O

Charge-pump output (Not used)

34

VPCO1

O

Charge-pump output (Not used)

35

VCKI

I

VCO2 oscillator input (Not used)

36

V16M

O

VCO2 oscillator output (Not used)

Pin No.

Pin name

I/O

Description.

41

F

I

F I-V and E I-V amplifier inverted input.

42

E

I

Connect these pins to photo diodes F and E.

43

EI

–

I-V amplifier E gain adjustment

(When not using automatic balance adjustment) (not used).

44

VEE

–

Negative power supply.

45

TEO

O

Tracking error amplifier output

E-F signal is output.

46

LPFI

I

Comparator input for balance adjustment

(Input from TEO through LPF).

47

TEI

I

Tracking error input.

48

ATSC

I

Window comparator input for ATSC detection.

49

TZC

I

Trackig zero-cross comparator input.

50

TDFCT

I

Capacitor connection pin for defect time constant.

51

VC

O

(VCC + VEE)/2 direct voltage output.

52

FZC

I

Focus zero-cross comparator input.

IC103  DIGITAL SIGNAL PROCESSOR (CXD2529Q)