Sony CDP-CE575 Waveforms, BD Board, MAIN Board, DISPLAY Board, BD BOARD IC101 CXD2587Q

Models: CDP-CE575

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• Waveforms

CDP-CE575

• Waveforms

 

 

– BD Board –

 

– MAIN Board –

1 IC101 ta (RFAC) (CD Play Mode)

6 IC101 w; (SCOR) (CD Play Mode)

qa IC301 es (XTAL)

 

5.2 Vp-p

 

1.3 Vp-p

 

 

 

13.4 ms

100 ns

2 IC101 rd (RFDC) (CD Play Mode)

7 IC101 yj (XTAO) (CD Play Mode)

– DISPLAY Board –

 

 

qs IC801 t; (OSCO)

1.4 Vp-p

 

5.9 Vp-p

59 ns

3 IC101 el (FE) (CD Play Mode)

508 ns

approx. 200 mVp-p

4IC101 ra (TE) (CD Play Mode)

approx. 400 mVp-p

5IC101 wh (MDP) (CD Play Mode)

2.7V

7.5s

5 Vp-p

2.3 Vp-p

7-11. IC PIN FUNCTION DESCRIPTION

BD BOARD IC101 CXD2587Q

(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER)

Pin No.

Pin Name

I/O

 

 

Description

 

 

 

 

 

 

 

1

SQSO

O

Subcode Q data output to the system controller (IC301)

 

 

 

 

 

2

SQCK

I

Subcode Q data reading clock signal input from the system controller (IC301)

 

 

 

 

3

XRST

I

System reset signal input from the system controller (IC301) “L”: reset

 

 

 

 

 

4

SYSM

I

Analog line muting on/off control signal input terminal

“H”: line muting on

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

DATA

I

Command serial data input from the system controller (IC301)

 

 

 

 

 

 

6

XLAT

I

Command latch pulse input from the system controller (IC301)

 

 

 

 

 

7

CLOK

I

Command serial data transfer clock signal input from the system controller (IC301)

 

 

 

 

 

8

SENS

O

Internal status monitor output to the system controller (IC301)

 

 

 

 

 

9

SCLK

I

SENSE serial data reading clock input from the system controller (IC301)

 

 

 

 

 

 

 

10

VDD

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

 

 

 

 

 

 

 

 

 

 

 

11

ATSK

I/O

Input pin for anti-shock

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

12

SPOA

I

Microcomputer escape interface input A terminal

Not used (fixed at

“L”)

 

 

 

 

 

 

13

SPOB

I

Microcomputer escape interface input B terminal

Not used (fixed at

“L”)

 

 

 

 

 

 

14

XLON

O

Microcomputer escape interface output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

15

WFCK

O

WFCK output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

16

XUGF

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

XPCK

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

GFS

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

C2PO

O

Not used (open)

 

 

 

 

 

 

 

 

 

20

SCOR

O

Subcode sync (S0+S1) detection signal output to the system controller (IC301)

 

 

 

 

 

21

COUT

I/O

Numbers of track counted signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

22

MIRR

I/O

Mirror signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

23

DFCT

I/O

Defect signal input/output terminal

Not used (open)

 

 

 

 

 

 

 

 

 

24

FOK

I/O

Focus OK input/output terminal Not used (open)

 

 

 

 

 

 

 

 

25

LOCK

I/O

GFS is sampled by 460 Hz “H” when GFS is “H” Not used (open)

 

 

 

 

 

26

MDP

O

Spindle motor (M101) servo drive signal output to the AN48005B (IC150)

 

 

 

 

 

 

 

27

SSTP

I

Limit in detect switch (S101) input terminal

 

 

 

 

 

 

 

 

28

SFDR

O

Sled servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

 

 

29

SRDR

O

Sled servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

30

TFDR

O

Tracking servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

31

TRDR

O

Tracking servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

32

FFDR

O

Focus servo drive PWM signal (+) output to the AN48005B (IC150)

 

 

 

 

 

 

33

FRDR

O

Focus servo drive PWM signal (–) output to the AN48005B (IC150)

 

 

 

 

 

 

 

 

 

34

VSS

Ground terminal (digital system)

 

 

 

 

 

 

 

 

 

 

 

35

TEST

I

Input terminal for the test (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

36

TES1

I

Input terminal for the test (fixed at “L”)

 

 

 

 

 

 

 

 

37

XTSL

I

Input terminal for the system clock frequency setting

“L”: 45.1584 MHz, “H”: 22.5792 MHz

(fixed at “L” in this set)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

VC

I

Middle point voltage (+2.5V) input from the CXA2581N (IC131)

 

 

 

 

 

 

 

39

FE

I

Focus error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

 

40

SE

I

Sled error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

41

TE

I

Tracking error signal input from the CXA2581N (IC131)

 

 

 

 

 

 

42

CE

I

Command chip enable signal input from the CXA2581N (IC131)

 

 

 

 

 

 

 

 

 

 

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Image 32
Sony CDP-CE575 service manual Waveforms, BD Board, MAIN Board, DISPLAY Board, BD BOARD IC101 CXD2587Q