Sony MEX-5DI service manual Block Diagram - Cd Section, Display, Signal path, Tuner

MEX-5DI

4-3. BLOCK DIAGRAM — CD SECTION —

RF AMP

DIGITAL SERVO/

DIGITAL SIGNAL PROCESSOR

IC2

IC1

EQ

RFAC

RFAC

LOUT1

RF

3

IN

VCA

EQ

15

71

SIGNAL

97

L-CH

I-V

PROCESSOR

LPF

LOUT2

104

A-ATT

R-CH

A

TUNER

AMP

A-ATT

SECTION

A

AUDIO INTERFACE

IC3

6

RFDC

RFDC

RFDC

IC5

EJECT

(Page 25)

A

3

1

7

B

28

58

DAC

B

5

7

8 C

AMP

PCMD

SDIO

9 D

88

12

SDD

OFFSET

63 VC

PCMDI

89

9

AUDIO

DC OFST

LRCK

86

14 LRCKIA

I/F

30

CONTROL

FOCUS

FE

Q2

62 FE

BCK

90

DRAM

SRAM

13 BCKIA

16

ERROR

A-D

AMP

OP AMP,

IC6

IC4

61 SE

ADC

E

12

14

10

GAIN

TRACKING

TE

18

60 TE

D0-3

118-115

2,3,24,25

IO4-821-23

29-25

46,47 51-49 55-53

LINK OFF

ERROR

DQ1-4

DQ1-3

F

10

8

11

BAL

AMP

LINK OFF

TE BAL

19

50 FFDR

PROM

CD ON

CD ON

OPTICAL

VC

VCC

B+

51 FRDR

SERVOBLOCK

VIBRATION

A0-10

1-3,5-7106-109,111

8-12

15-19,21

1-4,7

10-20,31

3,4,7,10,11 15,31-34 36-38,41

42,44,45

UNI SO

UNI SO

MEMORY

BU IN

BUS ON

PICK-UP

VC

27

VC

22

SRAM

UNI SI

UNI SI

B

DISPLAY

BLOCK

(RF+5V)

48 TFDR

CONTROLLER/

A0-10

A0-16

I/F

XRAM

UNI CLK

SECTION

B+ (SERVO+3.3V)

13 DVCC

VC

14

49 TRDR

EXPANDER

BUS ON

(Page 26)

AUTO POWER

1

LD

46 SFDR

XRAS

113

5

RAS

YRAM

BU IN

LD

CONTROL

XWE

CE

SW4

Q1

47

SRDR

114

4

WE

CSI 30

16

B

SYS RESET

PD

2

PD

APC

XCAS

119

23 CAS

OE 32

17

OE

AMP

APC MODE

XOE

120

22 OE

WE

5

43

WR

CROM

2V REG

B+

RFSW

VC

DIGITAL

IC7

12

CONTROL

42 C176

SW1

(RF+5V)

CLV

Q5,6

XTAI 93

BUS

BUS

OPEN/CLOSE

MDP

X1

FOCUS/TRACKING COIL DRIVE,

ERAM

43

16.934MHz

BUFF

X

Y

SLED/SPINDLE MOTOR DRIVE

MDS

XTAO

94

62 XI

SYSTEM CONTROL

IC8

44

IC15

IC501 (1/3)

SENS

CLOK

SDTO

XRST

SCOR

XQCK

SQSO

XQOK

XWRE

WDCK

XRDE

9

60 CKI.ACKO

MAC

SW2

F+

27

OUT2F

FOCUS

FFDR 29

FOK

SCLK

XLAT

GFS

(OPEN END )

F-

25

OUT2R

COIL

FRDR 30

35 27 26 25 24 23 21 17 15 14 12

8

81 78

BUFF

6

MICK

MICRO

58 OPEN END

DRIVE

IC10

ALU

MIDIO

COMP.

SW3

5

I/F

T+

21

OUT1F

TRACKING

TFDR

19

(CLOSE END)

OUT1R

COIL

TRDR

T-

23

18

20

7

8

9

11 10 16 38 85 84 17

6

19 40

4

81 80

59 CLOSE END

DRIVE

DECXRST

2

1

RESET

BUS

M2

M

12

OUT3F

SLED

SFDR 14

FOK

SCLK

SENS

CDCLK

CDLAT

CDDAT

XRST

SCOR

SQCK

SQSO

XQOK

XWRE

GFS

GRSCOR

XRDE

SCL

SDA

SWITCH

DECINT

72

39

PO7

IC14

DECSTBY

3

19

STANBY

(SLED)

10

OUT3R

MOTOR

SRDR 15

C176

43 TE BAL ADJ

DRIVE

21 APC2

CD SYSTEM CONTROL

NC

94

IC11

MOTOR

22 APC1

LEVEL

M1

OUT4F

IN4F

MDS

SPINDLE

23 SPST

M

6

CONTROL

RSTX 59

SHIFT

4

(SPINDLE)

8

OUT4R

MOTOR

Q3

IC13

DRIVE

63 XTAL

68FLBOOT 31PCTX

LEDCLK87 88LEDLAT

BUCHK92 LINKOFF74

IN4R

MDP

30PSB

32PCRX

KEYIN047 48KEYIN1

86

15MUTE 70CDON

UNISO76 77UNISI 78UNICK

91BUSON

PSB

12.288MHz

65 XTXAL

DATALED

X2

16

3

BU+3V

2.5V REG

B+(REF+2.5V)

• Signal path

SPINDLE MOTOR

IC12

: CD

BOOTFL

PCTX

PCRX

IN0KEY

IN1KEY

CLKLED

LATLED DATALED

ATT-A

ONCD

SOUNI SIUNI

SLKUNI NBUS INBU

OFFLINK

CONTROL

IC9

CN7

CD ON

CD ON

1

2

3

4

5

6

7

8

8.5V

CD +5V REG

RF 5V

8.5V

CD +3.3V REG

SERVO+3. 5V

BU+5V

CD +3.3V REG

BU+3V

Q203,205,207

Q202,204,206

IC202

24

24