Sony HCD-GRX20_RXD3

HCD-GRX20/RXD3AEP Model

UK ModelHCD-RXD3

E ModelAustralian Model

HCD-GRX20

SERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

MICROFILM

— Continued on next page —

SPECIFICATIONS

Model Name Using Similar Mechanism NEW

CD Mechanism Type CX3

Base Unit Type KSM-213ECM

Optical Pick-up Type KSS-213ECM/C2NP

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type CWL-44-FR

CD

SECTION

TAPEDECK

SECTION

HCD-GRX20/RXD3 is the tuner, deck, CD andamplifier section in MHC-GRX20/RXD3.

PHOTO : HCD-RXD3

Amplifier sectionEuropean modelDIN power output (Rated) 40 W + 40 W

(6 Ω at 1 kHz, DIN)Continuous RMS power output (Reference)

50 W + 50 W(6 Ω at 1 kHz, 10%THD)

Music power output (Reference)100 W + 100 W(6 Ω at 1 kHz, 10%THD)

Other modelsThe following measured at AC 110, 220 V 60 Hz;DIN power output (Rated) 45 W + 45 W


50 W + 50 W(6 Ω at 1 kHz, 10%THD)

The following measured at AC 120, 240 V 60 Hz;DIN power output (Rated) 50 W + 50 W


60 W + 60 W(6 Ω at 1 kHz, 10%THD)

InputsMD IN (phono jack): voltage 450 mV,

impedance 47 kΩ

OutputsMD OUT (phono jacks):

voltage 250 mVimpedance 1 kΩ

PHONES (stereo phone jack):accepts headphones of 8Ω or more.

SPEAKER: accepts impedance of 6to 16 Ω

CD player sectionSystem Compact disc and digital

audio systemLaser Semiconductor laser

(λ = 780 nm)Emission duration:continuous

Laser output Max. 44.6µW**This output is the valuemeasured at a distance of200 mm from theobjective lens surface onthe Optical Pick-upBlock with 7 mmaperture.

Frequency response 20Hz – 20kHz (±0.5 dB)Wavelength 780 – 790 nm

DIGITAL OUT (OPTICAL)(Square optical connector jack, rear panel)Wavelength 600 nmOutput Level –18 dBm

Tape deck sectionRecording system 4-track 2-channel stereoFrequency response 40 – 13,000 Hz (±3 dB),

using Sony TYPE Icassette

Wow and flutter ±0.15% W. Peak(IEC)0.1% W. RMS(NAB)±0.2% W. Peak(DIN)

Tuner sectionFM stereo, FM/AM superheterodyne tuner

FM tunr sectionTuning range 87.5 – 108.0 MHzAntenna FM lead antennaAntenna terminals 75 Ω unbalancedIntermediate frequency 10.7 MHz

HCD-GRX20/RXD3

2121

6-4. SCHEMATIC DIAGRAM MAIN (1/3) SECTION • Refer to page 19 for Waveforms. • Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.

0.47µ

R136

R175

*

*

*

*

*

*

C186 0.001µ

mH

C167

L109 22µH 47

0.047µ

0.04

7µ

68

220

16V

R167

2.2

k

C107

mH0.047µ

C1000.001

MARK :

GRX20

C107

NO MOUNT NO MOUNT 220 5.6k

1k 1000.01µ

0.022(T)

560p(T) 10p

C135 C167 R105 R106

RXD3

25

23

22

23

25

E,AUS,SP,TW MODEL

HCD-GRX20/RXD3

2222

6-5. SCHEMATIC DIAGRAM MAIN (2/3) SECTION • Refer to page 19 for Waveforms. • Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.

10

Q552

Q551

502

Q252

0.0012

0.00120.018

22µ

0.018µ

23 21

HCD-GRX20/RXD3

2323

6-6. SCHEMATIC DIAGRAM MAIN (3/3) SECTION • Refer to page 33 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.

47µ

D302UZ6.2B

R341470

R336680

R33347k

R358470

C3520.1

C3510.1

C3630.1

29

22 27

21

HCD-GRX20/RXD3

2525

6-8. SCHEMATIC DIAGRAM FRONT PANEL SECTION • Refer to page 19 for Waveforms. • Refer to page 30 for IC Pin Function. • Refer to page 19 for Note on Schematic Diagram.

R61

2

ROTARYENCODER

0.01

0.01

100k

EXCEPT E,SP,TW,MX,AR MODELS

EXCEPT MX MODEL

EXCEPT MX MODEL

AR,E,MX MODELS

C622

10µ

2SA733

0.1

0.0226.3V15

0

SPS-447-1

21 21

29

82040

HCD-GRX20/RXD3

2727

6-10. SCHEMATIC DIAGRAM AMPLIFIER SECTION • Refer to page 19 for Note on Schematic Diagram.

AC INC726100µ16V

UZ-1

2BSA

UZ-8

.2BS

A

UZ-27BSA-TA C7013300µ 50V :EXCEPT AUS MODEL3300µ 63V :AUS MODEL

C7023300µ 50V :EXCEPT AUS MODEL3300µ 63V :AUS MODEL

100µ 50V :EXCEPT AUS MODEL100µ 63V : AUS MODEL

100µ

50V

:EX

CEPT

AUS

MOD

EL10

0µ 6

3V:A

US M

ODEL

100µ

50V

:EX

CEPT

AUS

MOD

EL10

0µ 6

3V:A

US M

ODEL

* 100µ 50V :EXCEPT AUS MODEL100µ 63V : AUS MODEL

*

-070E

R44410

0.022 (CHASSIS)

J746

J475

GRX20MODEL

GRX20MODEL

RXD3MODEL

RXD3MODEL

T2A

AC IN

SW401

GRX20 : AR,E,SP,TW : 4.0A 250V

GRX20 : AR,E,SP,TW MODEL

GRX20 : MX : 4.0A 125VF702

AC VOLTAGE220 – 240 V

110 – 120 V

GRX20 : AUS, RXD3 MODELS

GRX20 : E,SP,TW,MX,AR MODELS

AC SWITCH

FUSE

F703T2AL250V

23

HCD-GRX20/RXD3

2929

6-12. SCHEMATIC DIAGRAM CD SECTION • Refer to page 19 for Waveforms. • Refer to page 31,32 for IC Block Diagrams. • Refer to page 19 for Note on Schematic Diagram.

25

23

HCD-GRX20/RXD3

3030

6-13. IC PIN FUNCTIONIC601 CXP82040-108Q(SYSTEM CONTROL) FRONT BOARD

Pin No.

1,2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29 to 31

32

33 to 36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

I/O

O

—

I

I

I

I

I

I

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

I

O

I

I

I

I

I

I

—

—

—

I

I

—

—

I

I

I

I

I

Description

FLD grid output.

Not used.

CXD2589Q SCOR input.

CXD2589Q COUNT input.

Power data input.

FOK input.

Remote signal input.

Data input.(DECK secton)

S/L output.(DECK secton)

STB output.(CD,DECK section)

CXA1992BR LOCK output.

CXD2589Q CLOCK output.

Mode switch input.

Not used.

Not used.

Function control output.

Not used.

LATCH output.

CXD2589Q XLAT output.

LC72131 CE output.

CXD2589Q SQCK output.

CXD2589Q SQSO output.

CXD2589Q DATA output.

S.CLOCK output.

S.DATA input.

S.DATA output.

FM Stereo input.

Key input 0 to 2.

Not used.

Not used.

AMS input.

RESET input.

X’TAL 10MHz

X’TAL 10MHz

Ground.

CXD2589Q SENS1 input.

CXD2589Q SENS2 input.

VDD.

VFDP.

Pick-up up switch signal input.

Pick-up down switch signal input.

Disc count switch signal input.

Turn Table switch signal input.

Tray open switch signal input.

Pin Name

2G,1G

NC

SCOR

COUNT

POWER DOWN IN

FOK

REMOTE IN

DATA IN

S/L

DECK,CD STB

LOCK

CLOCK

MODE SW IN

NC

CE

CTRL

LATCH B

LATCH A

XLAT

CE

SQCK

SQSO

DATA

S.CLOCK

S,DATA IN

S.DATA OUT

FM STEREO IN

KEY IN O to 2

VACS IN

SPEANA IN 1 to 4

ANS IN

RESET

EXTAL

XTAL

VSS

SENS1

SENS2

VDD

VFDP

PICK UP SW

PICK DOWN SW

DISC COUNT SW

TURN TABLE SW

TRAY O. SW

Pin No.

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80 to 85

86

87,88

89

90 to 100

I/O

I

I

I

I

I

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

—

O

—

O

Description

Tray close switch signal input.

Volume up signal input.

Volume down signal input.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Not used.

Tuner Mute output.

System Mute output.

POWER switch output.

FLD segment output.

FLD segment output. Mode switch 1.














FLD segment output.

Not used.

FLD grid output.

VDD.

FLD grid output.

Pin Name

TRAY C. SW

VR UP

VR DN

CD ENCODER IN A

CD ENCODER IN B

SURROUND OUT

DBFB NOR&HI OUT

DBFB HI OUT

DOLBY NR OUT

2CH OUT

MD MUTE

TUNER MUTE OUT

SYSTEM MUTE OUT

POWER SW OUT

P1

P2(MODE SW 1)

P3(MODE SW 2)

P4(MODE SW 3)

P5(MODE SW 4)

P6(MODE SW 5)

P7(MODE SW 6)

P8(MODE SW 7)

P9(MODE SW 8)

P10(MODE SW 9)

P11(MODE SW 10)

P12(MODE SW 11)

P13(MODE SW 12)

P14(MODE SW 13)

P15(MODE SW 14)

P16 to 21

NC

15G,14G

VDD

13G to 3G

31

6-14. IC BLOCK DIAGRAMS

— CD DECORD SECTION —

IC701 CXA1992BR

FZC

VC

TDFCT

TZC

ATSC

TEI

LPFI

TEOVEE

EI

E

F

FEBIAS

SL P

SL M

SL O

ISET

VCC

XRSTDATAXLTCLKLOCK

SENS2SENS1C. OUT

VCC

DFCT

O

IFB1

– IF

B6BA

L1 –

BAL

4TO

G1 –

TOG

4

FS1

– FS

4

TG1

– TG

2

TM1

– TM

7

PS1

– PS

4

TGH

TGL

BALH

BALL

ATSC

DFCT

TM1

TG1

FS2

IFB1 – IFB6

VCC

VEE

VCC

VEE

VEE

PD 2I-V AMP

FOK

CC2

CC1

CBCPRF O

RF I

RFTC

PD2

PD1

PD LD RF M

TA O

TA M

FSET

TG2

TGU

SRCHFE

O

FEI

FDFC

T

FGD

FLB

FE O

FE M

TZC

FZC

FOL

FOH

MIR

R

LDON

LPCL

LPC

TGFL

DFCT

1

CC1

1 2 3 4 5 6 7 8 9 10

262524

2322212019

18

17

16

15

14

40

41

42

434445

46

47

48

49

50

51

52

39

PD 1I-V AMP

38

PDAMP

37

LDAMP

LASERPOWER

CONTROL

FOCUS BIASWINDOW

COMPARATOR

FOCUS ERRORAMP

F I-VAMP

E I-VAMP

TGFL TRACKING GAINWINDOW

COMPARATOR

E-F BALANCEWINDOW

COMPARATOR

ATSCWINDOW

COMPARATOR

TZCCOMPARATOR

TRACKING PHASECOMPENSATION

CENTERVOLTAGE

GENERATOR

FZCCOMPARATOR

FOCUS PHASECOMPENSATION CHARGE UP

FSET

ISET

IIC DATA REGISTER, INPUT SHIFT REGISTER,ADDRESS DECODER, SENSE SELECTOR,

OUTPUT DECODERTTL↓IIL

IIL↓

TTL

IIL↓

TTL

RF SUMMINGAMP FOCUS OK

COMPARATOR

PEAK/BOTTOMHOLD

PEAK/BOTTOMHOLD

DEFECTAMP

MIRRCOMPARATOR

36 34 31 30 29 28 2735 33 32

BAL1

– B

AL4

TM6

TM2

VCC

VEE

TM5

11 12 13

TG2

TM4

VCC

VEE

TM3

FS1

VCC

VEE

TOG1

– T

OG4

TM7

FS4DFCT

+–

+–

32

IC702 CXD2589Q

IC703 BA5936S

51

52

35

3837

36

312933

1011

18

13 14 15 16 17 57 58 7421 22 53 75 76 67 66 6559987 5 4612

3048

25 26 27 47 49 54 56 50 39 41 43 55 40 42 44 62

70

32

71

79

2324

28

ClockGenerator

OSC

EFMdemoduretor

ErrorCorrector

16KRAM

Asymmetry Corrector

DigitalPLL

ServkoAuto

Sequencer

Sub CodeProcessor

CPUInterface

D/AInterface

Serial InInterface

Over SamplingDigital Filter

3rd OrderNoise Shaper

TimingLogic

DigitalOUT

DigitalCLV

PWM PWM

XTSL

VPCO

VCKI

V16M

VCTL

XUGF

GFS

EMPH

WFC

K

C2PO

LECK

PCM

D

BCK

EMPH

ILE

CKI

PCM

DIBC

KISY

SM

TES1TEST

XRST

RMUTLMUT

XTAI

XTAO

AOUT

1

AIN1

LOUT

1

AOUT

2

AIN2

LOUT

2

DOUT

PWM

I

MDP

SQCK

SQSO

EXCK

SBSO

SCOR

XLON

SPOB

SPOA

CLOK

XTAL

DATA

SENS

CLKO

XLTO

DATO

CNINSEINFOK

CLTVPCOFILI

FILOXPCK

BIASASYOASYI

RF

C4M

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

LEVEL SHIFT

LEVEL SHIFT

LEVEL SHIFT

LEVEL SHIFTLEVEL SHIFT

LEVEL SHIFT

MUTE

T.S.D

BIAS BIAS

BIAS

VCC

100

BIAS

BIAS VCC VCC

DETECTIONDF REG-OUT

CURRENT

100

100

10K

10KD D D D D D

DDDDDD

100

OUT1

–

OUT1

+

OUT2

–

OUT2

+

IN2

IN1

VCC

VCC

REG-

I

REG-

B

REG

OUT

IN3-

R

IN3-

F

OUT3

+

OUT3

–

GND

OUT4

–

OUT5

–

OUT4

+

OUT5

+

IN 5

IN 4

VCC

BIAS

IN

GND

GND

MUT

E IN

IN6-

R

IN6-

F

OUT6

+

OUT6

–

GND

13.3K

13.3K

13.3

K

33

— MAIN BOARD —

IC103 LC72131

PHASEDETECTOR

CHARGE PUMP

SWALLOW COUNTER1/16, 1/17 4BITS

12BITSPROGRAMMABLE

DRIVER

UNIVERSALCOUNTER

REFERENCEDIVIDER

POWERON

RESET1/2

CCBINTERFACE

1 2 3 4 5 6 7 8 9

16 15 14 13 12 11

10

17181920

XOUT

VSS

AOUT

AIN

PD VDD

FMIN

AMIN

XIN

DOCLDICE

IFIN

IO1

BO4

BO3

BO2

BO1

IO2

UNLOCKDETECTOR

DATA SHIFT REGISTER LATCH

IC201 TA8189N

CH2/A CH2/B NF VCC CG NF ALCMETAL

OUTPREOUT

TAPE A/TAPE B

RECOUT

RECIN

CH1/A CH1/B NF GND1 M/H NF

CH2CH2

ALC

M/N

CH1

GNDGND

CH1+–

+–

+– +

–

A/B

GNDMETALOUT

PREOUT

MIXOUT

RECOUT

RECIN

IREFVREF2

VREF1

24 23 22 21 20 19 18 17 16 15 14 13

1 2 3 4 5 6 7 8 9 10 11 12

34

IC252 74HC165

IC301 M62439SP

1 2 3 4 5 6 7 8

91016 15 14 13 12 11

CK E F G H QH

D C B A SERIALIN

CLOCKINHIBIT

SHIFT/LOAD

GND

QH

VCCOUTPUT

QHSERIALINPUTABCD

CLOCKINHIBIT

SHIFT/LOAD

CLOCK E F G H OUTPUTQH

PARALLEL INPUTS

PARALLEL INPUTS

— FRONT BOARD —

IC602 BU2092

1 2 3 4 5 6 7 8 9

1016 15 14 13 12 11

CONTROLCIRCUIT

12 BITSHIFT

REGISTER

12 BITSTORAGEREGISTER

OUTPUTBUFFER

(OPEN DRAIN)

1718

VDD

OE Q11

Q10

Q9 Q8 Q7 Q6 Q5Q4Q3Q2Q1Q0LC

K

CLOC

K

DATAVSS

20 19 18 17 16 15 14 13 12 11

1 2 3 4 5 6 7 8 9 10

CONTROLLOGIC

REC

OUT

SW

INPU

T SW

MON

AURA

L SW

MUT

E

VOLU

ME

CONT

ROL

Low

boo

st

High

boo

st

REC OUT2 INA2 INB2 INC2 IND2 TONEH2 TONEL2 OUT2 Vss CONT

VDDGNDOUT1TONEL1TONEH1IND1INC1INB1INA1REC OUT1

Sony HCD-GRX20_RXD3

Documents

Transcript of Sony HCD-GRX20_RXD3