Sony HCD-C5 service manual Block Diagram CD Servo Section, OPTIMA-720L1E

HCD-C5

6-2. BLOCK DIAGRAM – CD SERVO SECTION –

• Signal Path

: CD (DIGITAL)

:DIGITAL IN (OPTICAL)

IC221

IC222

SELECTOR

DIGITAL

DIGITAL

5

OPTICAL

OPTICAL

6

+5V

INPUT

IN

4

1

3

9

DIN, OPTO

MD

8

A

Q102

2

10

SERVO

SWITCH

SECTION

13

(Page 47)

OPTICAL PICK-UP

IC101

11

BLOCK

12

IC103

DIGITAL SERVO,

OPTIMA-720L1E

DIGITAL SIGNAL PROCESSOR

OPTO

RF AMP

9 1/2VCC

27

VC

RFC

26

8

VCC

+5V

25

VFC

D OUT 64

VA

4

7

B

RFAC

15

50

RFAC

VB

6

6

A

RFDCO

28

43

RFDC

VC

2

8

C

FE

16

39

FE

IC501(1/2)

9

D

MASTER CONTROL

VE

TE

18

41

TE

3

10

E

40

SE

VF

7

11

F

CTRL1(1-2)

Q101

XTSL

69

18

CTRL1

10

LD

LD

1

LD

SW

12

DATA

DRIVE

VCC

DATA

4

7

CXD-DATA

CLK

CLOK

6

8

CXD-CLK

GND

FEI

17

XLT

5

RV101

19

XLAT

5

11

CXD-XLT

TE_BAL

RFDCI

29

SQSO

76

SQSO

15 SUBQ

MD

26

SSTP

1

2

PD

SENS

VR

SENS

7

14 SENSE

S5

SCLK

IC102

SCLK

8

17

SCLK

LIMIT

MOTOR/COIL DRIVER

IN

SQCK 77

SCOR

F+

14

VO1(+)

OPIN1(+)

2

SWITCH

FFDR

SCOR

15

95

SCOR

FOCUS

33

XRST

XRST

2

29

BDRST

COIL

F-

13

VO1(-)

OPIN1(-)

3

34

FRDR

XTAI 71

TR+

12

VO2(+)

OPIN2(+)

5

31

TFDR

X201

S1 (Disc IN/8cm Disc Detect)

TRACKING

XTAO 72

33.8688MHz

30

SW1

COIL

TR-

11

VO2(-)

OPIN(2-)

6

32

TRDR

S2 (12cm Disc/12cm Disc Eject End Detect)

SW2

31

M903

SD+

15

VO4(+)

OPIN4(+)

27

29

SFDR

S3 (Disc Existence, Chacking, Releasing Detect)

M

SW3

FEED

32

IC1102

MOTOR

SD-

16

VO4(-)

OPIN4(-)

26

30 SRDR

LOADING MOTOR DRIVER

S4 (8cm Disc Eject End Detect)

SW4

SP+

18 VO3(-)

OPIN3(-)

23

25

MDP

33

LODPOS

27

7

FIN

OUT1

4

M904

M

M

SPINDLE

LODNEG 26

9

OUT2

2

MOTOR

SP-

17

VO3(+)

LDON

RIN

13

LDON

PWM1

12

PWM1

PWM2

19

PWM2

Q103,D101

PWM3

20

PWM3

+3.3V

+3.3V

REG

M902

(LOADING)

+5V

46 46