Sony HCD-RXD7AV Service Manual

HCD-RXD7AV

SERVICE MANUAL

Ver 1.1 2002. 03

HCD-RXD7AV is the Amplifier, CD
player, Tape Deck and Tuner section in
MHC-RXD7AV.

Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.

U.S and foreign patents licensed from Dolby
Laboratories Licensing Corporation.

CD CD Mechanism Type CX3
Section Base Unit Name KSM-213ECM

Tape deck Model Name Using Similar Mechanism HCD-RXD6
Section Tape Transport Mechanism Type CWL-44-RR

US Model

Canadian Model

Model Name Using Similar Mechanism HCD-RXD3

Optical Pick-up Name KSS-213ECM/C2NP

AUDIO POWER SPECIFICATIONS:

US model

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION :

with 6 Ω loads, both channels driven, from 70 - 20,000
Hz; rates 60 W per channel minimum RMS power,
with no more than 0.9% total harmonic distortion from
250 mW to rated output.

Amplifier section

Front Speaker :

Continuous RMS power output (reference)

70 + 70 W
(6 Ω at 1 kHz, 10% THD)

Total harmonic distortion less than 0.07%

(6 Ω at 1 kHz, 35 W)

Center Surround Speaker :

Continuous RMS power output (reference)

30 W
(6 Ω at 1 kHz, 1% THD)

Rear Surround Speaker :

Continuous RMS power output (reference)

30 + 30 W
(6 Ω at 1 kHz, 1% THD)

SPECIFICATIONS

Inputs
MD/VIDEO IN : voltage 450/250 mV,
(phono jacks) inpedance 47 kΩ
DVD INPUT
FRONT IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
CENTER IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
REAR IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
WOOFER IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ

Outputs
MD/VIDEO OUT : voltage 250 mV
(phono jacks) impedance 1 kΩ
PHONES : accepts headphones of
(stereo phone jack) 8 Ω or more
FRONT SPEAKER : accepts impedance of

6 to 16 Ω or more

CENTER SPEAKER:accepts impedance of

6 to 16 Ω or more

SUPER WOOFER : Voltage 1 V, impedance

1 kΩ

MINI Hi-Fi COMPONENT SYSTEM

CD player section

System Compact disc and digital audio

system

Laser Semiconductor laser (λ=780nm)

Emission duration: continuous

Laser output Max. 44.6 µW*

*This output is the value
measured at a distance of 200
mm from the objective lens
surface on the Optical Pick-up

Block with 7 mm aperture.
Frequency response 20 Hz - 20 kHz (±0.5 dB)
Wavelength 780 -790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
CD DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 600 nm
Output Level –18 dBm

Continued on next page

9-928-974-12

2002C1600-1
© 2002.03

Sony Corporation

Home Audio Company
Published by Sony Engineering Corporation

7-1. BLOCK DIAGRAMS

TUNER/CD SECTION

JK101

FM

AM

FM FRONT END

FE101

8RF MIX 1

OSC

VT

5

TUB+

L104

AM ANT

TC101

SECTION 7

DIAGRAMS

3

4

D105

TUB+

+12V

Q104

AM RF

AMP

Q103

CF101

10.7MHz

7.2MHz

X201

Q101
RF IF

AMP

TUB+

HCD-RXD7AV

FM/AM MPX

CF102

10.7MHz

L107

MW OSC

SFR101

FM

B+

TUNED
LEVEL

PLL

IC103

FM

PD1

FM B+

XO

XI

SD SPEED

SD IN

ST/MONO

AM/FM

IF IN

CLK

AM

DO

DI

CE

16

18

7

22

1

FM IF

1

MPX

16

FM OUT

19

OSC

23

AFC

22

AM RF

21

OSC/FMSD

24

15
10
11

9
8

12

DO

6

DI

4

CLK

5

CE

3

FM

IF

FM

DET

AM

DET

AGC

SMET

20

AM

OSCAMMIX

TU LED

ST MONO

12

6

11

IC102

PH DET

AM/FM

IF BUFF

AM

IF

FM DET

ST IND

AM/FM

MUTE

L

CF103

450kHz

13

R

14

R CH

Q109
MUTE

DECODER

CF104

8

10.7MHz

4

T102

AM IFT

2

7

10

TU L

ST IND

TU MUTE

DO

A

SECTION

(Page 20)

MAIN

• RCH is omitted

• SIGNAL PATH

:FM

:AM

:CD

16

OPTICAL PICK-UP

BLOCK

DETECTOR

7
8
4
1
2
5
6

10

LD

PD

FOCUS

COIL

TRACKING

COIL

GND

VR

SPINDOL

VC
A
C
B
D
E

F

LD

PD

F+

F

T+

T

M102
SLED

MOTOR

M101

MOTOR

T/T

MOTOR

TRAY

MOTOR

MUTE

PH701

DIGITAL

OUT

SCOR
SENS1
SQSO

XLAT
SQCK

CLK
DATA

SENS2
LOCK

DI
CLK
CE

DATA IN
STB

CD L

B

SECTION

(Page 20)

C

SECTION

(Page 20)

MAIN

MAIN

GEN.

PWM

PWM

15

SPOA

D OUT

L MUTE

XTA1

XTA0

53

NL

67

Q705,707

NR

74

R-CH

70

X701

16.9344MHz

71

2

CD RF/SERVO

PROSSESOR

+5V

VC

51

PD1

38

PD2

39

E

42

F

Q703

41

LD

36

APC

PD

PD

37

B+

REG

+5V

Q701

APC

F/T COIL

SL/SP MOTOR

T.T/TRAY MOTOR

DRIVER

IC703

2

F+

F IN

T IN

VCC
VCC

REG I

REG B

REG OUT

SL IN

SP IN

T.T F IN

T.T R IN

TR F IN

TR T IN

MUTE IN

6

5

8
7
9

10
11

22

21

13

12
29

28

27

1

F

3

T+

4

T

SL+

18

M

M

M

M

SL

17

SP+

19

SP

20

T.T+

14

T.T

15

TR+

30

TR

31

IC701 (1/2)

RF

AMP

FE

AMP

FOCUS PHASE

COMPENSATION

FEO TAO

6

IC701 (2/2)

14

16

IC705

67

COMAND

SERIAL/

PARALLEL

CONVERTER

DECODER

TRACKING PHASE

COMPENSATION

13

RFO

33

FOK

27

C OUT

IIL

TTL

TTL

IIL

SENS1
SENS2

DATA

XLT

CLK
XRST
LOCK

Q702

SWITCH

24
25
26

22
21
20
23
19

T.T/TRAY
MOTOR DRIVE
REG CONTROL

IC704

XRST

CONTROL

T.T+

T.T

TR+

TR

CONTROL

MUTE

CLOK

DATA

4

3

2

STB

1

6

11

7

14
13

12

5

RF

35

FOK

18

CIN

11

SE

10

DAT

12

XLT

13

CLK

14
79

XRST

MDP

21

CD DIGITAL

SIGNAL PROCESSOR

IC702

CLV

SERVO

DIGITAL

CLV

EFM

DEMO.

D/A

I/F

SUB CODE

PROSSESOR

CPU I/F

SQSO

XLAT

SQCK

CLOK

DATA

7 9 4 5 6 6257

8

SENS

SCOR

SERIAL

SYS M

I/F

CLOCK

S05

STOP

SWITCH

1919

HCD-RXD7AV

MAIN SECTION

FRONT

REAR

CENTER

MD/VIDEO

CD

SECTION

(Page 19)

TUNER

SECTION

(Page 19)

CD

SECTION

(Page 19)

SW

DECK A

HP901

DECK B

HRP901
REC/PB

HE901
ERASE

HEAD

HEAD

HEAD

JK301

L

R

L

R

L

R

B

PB

A

C

R CH

REAR
R CH

R CH

CD L

R CHR CH

TU L

ST IND

TU MUTE

DO

DATA IN

SCOR

SENS1

SQSO

SENS2

XLAT

SQCK

CLK
DATA
LOCK

DI

CLK

CE

STB

R CH

Q203, 205

Q207

Q207

PLAY/REC
CONTROL

PLAY/REC
CONTROL

DRIVE

16

D202

11

L

SL

C

S

M

M

REC/PB EQ AMP

IC201

62

SDATA IN

VR UP

52

VR601

VOLUME

28

TU MUTE

FM ST IND

53

A/B

REC OUT

AMS

Q210,211

VR DOWN

B

PB OUT

TAPE A/B

6

37

AMS

A

CD ENCODER

5

19

11
10

CD ENCODER A54CD ENCODER B

55

B

VR602

17

PIC UP46PIC DOWN47TRAY OPEN50TRAY CLOSE

S01
CD DECK
UP/DOWN

3
1

2

L201

BIAS OSC

Q251

Q201

PLAY/REC
CONTROL

Q208,209

D201

MUTE

DI

CE

CLK

21CE25

27

24

22

LOCK

X601

10MHz

20

13

XLAT

DATA

CLOK

SQCK

XTAL40XTAL

12

STB

SCLK

SDATA OUT

39

9

R CH

Q252,253

BIAS

SWITCH

BIAS

OSC

23

42

4

SENS2

SQSO

SENS1

26

SCOR

A

43

15

DATA

CLOCK

S02

TRAY

OPEN/CLOSE

LINE AMP

IC301

CD (L)

11
14

MD (L)

13

TAPE (L)

12

TUNER (L)

1

SDA

30

SCL

Q213
MUTE

BUS REGISTER

13

REC MUTE

11

A/B

12

BIAS

14

REC

10

Q'S

1

STB

DI

2

DI

CLK

3

CLK

SHIFT REGISTER

CLK

2

CK

1

S/L

9

QH

DI

CLK

10

9

18

S/L

DATA IN

DISC COUNT

51

48

S03

DISC

COUNTER

6L OUT

15MUX OUT/L

IN L

16

IC602

SOL B

IC603
B REC FWD

B REC REV

PHOTO A
PHOTO B

A MODE SW

A HALF
B HALF

LED DRIVE

IC702

2
3

4

LATCH

SYSTEM CONTROLLER/

FLD DRIVER

IC601

TURN TABLE

49

S04
TURNTABLE
OPERATION

11
12B MODE SW

13
14

15
11

4PLAY

5SOL A

6

3
4

5
6

5
9

L

+12V

IC308

Q608,611

M+12V

SWITCH

Q610,613

SOL A
DRIVE

Q609,612

SOL B

DRIVE

SFR501

MOTOR H/L

Q703-708

LED

DRIVE

2 1
4

LED705

LED714-718

13

3

5

MECHA BLOCK

LED701-703

KI0 KI2

MATRIX
S701-714

S718-728
S731-736

59

DOLBY NR

Q317

BUFFER

R CH

DET

32

IC304

VACS

33

SPEANA 1

SPEANA

34

Q303

AMP

Q381

KEY

R CH

35

SPEANA 3

SPEANA 2

Q602

SWITCH

36

SPEANA 4

38

RESET

RESET

L

C
SL
SW

57

DOLBY ON/OFF

D419

Q308 Q310

D418

Q601

R CH

DBFB

DATA
SCK

19

58

16

CE

LATCH

DOLBY HI

POWER DOWN6REMOTE

RM601

POWER

DOWN DET

VCC

IC305
DBFB

DOLBY PROLOGIC

SURROUND DECODER

IC302

SVOLOUT

1

LOUT

CVOLOUT

LIN

72
74

LTIN
CIN

76

SLIN

77
79

SWIN

80

VRSWIN

22

DATA

23

SCK

24

REQ

SWVOLOUT

LED DRIVE

IC701

R MUT
C MUT

DI

2

CLK

3

4

8

2

REMOTE
CONTROL
RECEIVER

Q319

FLD601

FLD DISPLAY

IC502

POWER

10 6

AMP

IC501

POWER

12 8

AMP

IC501

POWER

18 20

AMP

MUTE

IC304

Q407

61

MD MUTE

G1 G13

.

21.100 90

D305

Q301
MUTE

Q511

OVER LOAD

DETECTOR

Q503

OVER LOAD

DETECTOR

Q581

OVER LOAD

DETECTOR

MUTE

R CH

MUTE

63

64

60

2CH OUT

POWER SW

SYSTEM MUTE

R CH

REAR
R CH

Q419

Q321

Q603,604

MUTE

SWITCH

Q515

OVER LOAD
DET SWITCH

Q516,RH501

OVER HEAT
DETECTOR

Q505

OVER LOAD

DET SWITCH

Q411

D417

+VCC2

-VCC2

+VCC1

-VCC1

AU +12V

CD +7.5V

+5.6V

µCON B+

CD +5V

TU +5V

-27V

-12V
+12V

D305

D515

D516

D510

PROTECT

1 6

IC503

Q320

Q510

SWITCH

D602
D601

Q415

RELAY
DRIVE

Q414

RELAY
DRIVE

Q416

RELAY
DRIVE

D402

RECT

D403

RECT

D501-504

RECT

RL402

Q508

FAN

DRIVE

Q305

• RCH is omitted

• Signal Path

RL403

AC4.8V
AC4.8V

: PB (DECK A)

: PB (DECK B)

: REC (DECK B)

: FM

: CD

: MD

Q403

Q405
+7.5V

SWITCH

Q502
+7.5V

Q401
+5.6V

Q103

SITCHING

PROTECTOR

D512

Q509

AC OFF

-12V
REG

REG

REG

Q413

DET

Q412

SWITCH

Q517

CONTROL

FAN

Q406

-27V
REG

Q501
+12V

REG

DET

4

RL401

IC306

Q513
MUTE

IC303

9

3

17

15
16

14

.

13

.
5

10

12

11

Q313

Q312

LED706-713

Q701,702

DRIVE

LED

IC304

P1 P24

65 8829 31

Q522
MUTE

Q520
MUTE

REAR
R CH

LED704

R CH

R CH

REAR
R CH

R CH
+12V

T001

JK401

JK402

JK303

L

R

L

R

FAN

L
R

AC
IN

SPEAKER

REAR

CENTER

JK403

PHONES

SUB WOOFER

MD/VIDEO

2020

HCD-RXD7AV

7-4. SCHEMATIC DIAGRAM TUNER SECTION

• Refer to page 21 for Note on Schematic Diagrams. • Refer to page 39 for IC Block Diagrams.

C127

10µ 50V

47µF

16V

C120A

0.022µ

9

2323