Sony HCD-ED2 Service Manual

HCD-ED2

SERVICE MANUAL

HCD-ED2 is the tuner, deck, CD and
amplifier section in CMT-ED2.

Model Name Using Similar Mechanism NEW

CD

SECTION

TAPE DECK

SECTION

Mechanism T ype CDM-61
Base Unit Type KSM-331AAN/K1NP
Optical Pick-up Type KSS-331A (RP)
Model Name Using Similar Mechanism NEW

T ape Transport Mechanism Type CMAL1Z025A

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

SPECIFICATIONS

COMPACT DISC DECK RECEIVER

— Continued on next page —

MICROFILM

1

HCD-ED2

6-2. SCHEMATIC DIAGRAM – BD SECTION –

• See page 13 for Waveforms.

• See page 15 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

331A (RP)

14

14

HCD-ED2

6-4. SCHEMATIC DIAGRAM – FUNCTION SECTION –

• See page 13 for Waveforms.

• See page 17 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

16

16

HCD-ED2

6-6. SCHEMATIC DIAGRAM – TAPE PREAMP SECTION –

• See page 13 for Waveforms.

• See page 19 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

18

18

HCD-ED2

6-8. SCHEMATIC DIAGRAM – DISPLAY SECTION –

• See page 13 for Waveforms.

• See page 21 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

20

20

HCD-ED2

6-10. SCHEMATIC DIAGRAM – RELAY SECTION –

• See page 13 for Waveforms.

• See page 23 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

22

22

HCD-ED2

6-12. SCHEMATIC DIAGRAM – POWER SECTION –

• See page 13 for Waveforms.

• See page 25 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

24

24

HCD-ED2

6-14. SCEMATIC DIAGRAM – RDS SECTION –

• See page 13 for Waveforms.

• See page 27 for Printed Wiring Board.

• See page 28 for IC Block Diagrams.

• See page 30 for IC Pin Functions.

26

26

HCD-ED2

14

1 2 3 4 5 6 7

13 12 11 10 9 8

VCC

GND

CK

CLR

CK

CLR

Q

PR

Q

Q

PR

Q

D

D

6-16. IC BLOCK DIAGRAMS

• BD Board

IC101 CXD2587Q

DOUT

60

DIGITAL

OUT

LRCK

PCMD

BCK

EMPH

XVDD

XTAI
XTAO
XVSS

AVDD1
AOUT1

AIN1

LOUT1

AVSS1
AVSS2

LOUT2

AIN2

AOUT2
AVDD2

RMUT
LMUT

61

62

63

64

65

66
67
68
69
70
71

72

73
74

75

76

77
78

79
80

D/A

INTERFACE

TIMING

1

2

SQCK

SQSO

LOGIC

PWM

NOISE SHAPER

OVER SAMPLING

DIGITAL FILTER

3

XRST

IC103 CXA2568M-T6

APC PD AMP

VEE

1

HOLD

AGCVTH

LD

PD

VEE

VC

A

B

C

D

F

E

10

11

12

2

3

4

5

6

7

8

9

VEE

VEE

VC BUFFER

VC

VREF

VC

VC

VDD

VSS

59

57

58

INTERNAL BUS

PWM

3rd ORDER

SERIAL IN

INTERFACE

4

SYSM

VC

RF SUMMING AMP RF_EQ_AMP

VC

VC

AVDD3

VCC

VEE

VC

VCC

VEE

ERROR

CORRECTOR

16K

RAM

SUBCODE

PROCESSOR

APC LD AMP

VC

VC

PCO

56

DIGITAL

DEMODULATOR

SERVO

INTERFACE

SERVO AUTO

SEQUENCER

CPU

INTERFACE

5

6

XLAT

DATA

VCC

ERROR AMP
FOCUS

TRACKING
ERROR AMP

VC

55

VC

PLL

EFM

7

FILI

54

8

CLOK

VCC

FILO

53

SENS

CLTV

24

23
22

21
20

19

18
17
16

15

14

13

AVSS3

52

9

10

VDD

SCLK

VCC

LC/PD
LD_ON

HOLD_SW
AGCCONT

(50%/30%
OFF)

RF_BOT

RFTC
RF_1

RFO

RFE

FE

TE

ASYI

49

13

SPOA

48

14

SPOB

AVDD0

ASYO

47

46

1516171819

XUGF

XLON

WFCK

BIAS

RFAC

51

50

ASYMMETRY
CORRECTION

11 12

ATSK

• POWER AMP Boar d

IC505 LA5617

ERROR

1

VO1

IGEN

45

XPCK

AMP

2 3

VCC

AVSS0

GFS

ON/OFF

VREF

CN1

44

SERVO DSP

TRACKING

C2PO

ADIO

RFDC

43

OPERATIONAL

ANALOG SWITCH

CONVERTER

FOCUS
SERVO

SERVO

SLED

SERVO

20

SCOR

CURRENT

LIMITER

VMUTE VCC

VCC

4

EN

CE

TE

41

42

SE

40

FE

39

VC

38

AMPLIFIER

A/D

CLOCK

GENERATOR

PWM GENERATOR

FOCUS PWM

GENERATOR

TRACKING

PWM GENERATOR

SLED PWM

GENERATOR

DIGITAL

CLV

MIRR, DFCT,

FOK

DETECTOR

CURRENT

LIMITER

5 6 7 8 9 10

GND

EN DISPLAY

ON/OFF

140uA

~_

COMPARATER

VREF

~_

1.8V

NC

CN2

ERROR

AMP

XTSL

37

TES1

36

TEST

35

VSS

34
33

FRDR

32

FFDR
TRDR

31

TFDR

30

SRDR

29
28

SFDR

SSTP

27

MDP

26
25

LOCK

FOK

24

DFCT

23
22

MIRR

COUT

21

START

CIRCUIT

VREF

OVER HEAT

PROTECT

VEE

28

VO2

• FUNCTION Board

IC301 M62442

VOLOUT2

41

VOLIN2

FOUT2

42

43

F6F2

F5F2

F4IN2

F4O2

F4F2

F3IN2

F3O2

F3F2

F2IN2

F2O2

F2F2

F1IN2

F1O2

F1F2

RECB2

RECA2

DOUT2

KEYIN2

LPFO

LPFIN

LROUT

INF2

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

BC

60

61

62

63

64

SW13-2

5 ELEMENT

GRAPHIC EQUALIZER

SW6-2

SW5-2

10K

A

E

F

INE2

28

BBA2

12k

D

IND2

20K20K

BBB2

SW15-2

SW15-2

12k

SW7-2

C

INC2

CLOCK

DATA

LATCH

DGND

BUFOUT2

BUFIN2

MICON

INTERFACE

BA

SW14-2

A

SW11-2

REFIN

SW14-1

B

A

20K

20K

REFO1

B

INB2

SW10-2

A

SW3-2

B

A

INA2

B

SW8

A

SW4-2

SW2-2

SW1-2

AVDD

C

B

REFO2

• RELAY Board

IC650, 651 SN74HC74ANS

DVDD

BA

A

SW11-1

SW9

SW2-1

AVSS

BA

C

20K

20K

PORTA

SW12-1

B

SW4-1

SW1-1

KEYOUT

A

BUFOUT1

B

A

SW3-1

B

A

INA1

BUFIN1

SW10-1

C

SW7-1

B

INB1

BBB1

SW15-1

12k

20K 20K

SW12-2

C

INC1

BBA1

12k

10K

BA

D

IND1

VOLOUT1

25262728293031323334353637383940

SW13-1

5 ELEMENT

SW6-1

SW5-1

E

80797877767574737271706968676665

INE1

24

VOLIN1

FOUT1

23

22

F6F1

F5F1

21

20

F4IN1

F4O1

19

F4F1

18

17

F3IN1

F3O1

16

F3F1

15

F2IN1

14

GRAPHIC EQUALIZER

F2O1

13

12

F2F1

11

F1IN1

F1O1

10

F1F1

9

RECB1

8

RECA1

7

DOUT1

6

BC

A

KEYIN1

5

4

DELAYOUT

3

DELAYIN

MICIN

2

INF1

1

F

• RDS Board

D

IC451 BU1922

RDCL

QUAL

TS7

QUALITY BIT
GENERATOR

DEFFERENTIAL

DECODER

RDDA

• TAPE PREAMP Board

FILTER

DDD

V

CLOCK REGENERATION

DDA

V

OSCO

141516 13 12 11 10 9

OSCILLATOR

AND

DIVIDER

BIPHASE
SYMBOL

DECODER

321 4 5 6 7 8

Vref

OSCI

RECONSTRUCTION

MUX

SSD

V

57kHz

BANDPASS

(8th ORDER)

CONTAS LOOP
VARIABLE AND
FIXED DIVIDER

AND SYNC

REFERENCE

VOLTAGE

SSA

V

TEST

TEST LOGIC AND OUTPUT

SELECTOR SWITCH

ANTI-

ALIASING

FILTER

CLOCKED

COMPARATOR

VP1

CIN

TSTL

SCOUT

IC191 BA6218

7

A OUT

POW

8

GND

B OUT

9

1

A IN

VCC

6

2 3 4

GND

B IN

5

GND

NC

29