HCD-RXD6AVUS Model

Canadian ModelSERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

MICROFILM

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

Model Name Using Similar Mechanism HCD-RXD3

CD CD Mechanism Type CX3

Section Base Unit Name KSM-213ECM

Optical Pick-up Name KSS-213ECM/C2NP

Tape deck Model Name Using Similar Mechanism HCD-RXD3

Section Tape Transport Mechanism Type CWL-44-FR

U.S and foreign patents licensed from DolbyLaboratories Licensing Corporation.

SPECIFICATIONS

HCD-RXD6AV is the Amplifier, CDplayer, Tape Deck and Tuner section inMHC-RXD6AV.

AUDIO POWER SPECIFICATIONS:US modelPOWER OUTPUT AND TOTALHARMONIC DISTORTION :with 6 Ω loads, both channels driven, from 70 - 20,000Hz; rates 60 watts per channel minimum RMS power,with no more than 0.9% total harmonic distortion from250 mW to rated output.

Amplifier sectionFront 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(12 Ω at 1 kHz, 1% THD)

Rear Surround Speaker :Continuous RMS power output (reference)

15 + 15 W(6 Ω at 1 kHz, 1% THD)

CD player sectionSystem Compact disc and digital

audio systemLaser Semiconductor laser

(λ=780nm)Emission duration:continuous

Laser output Max. 44.6 µW**This output is the valuemeasured at a distance of200 mm from the objectivelens surface on the OpticalPick-up Block with 7 mmaperture.

Frequency response 20 Hz - 20 kHz (±0.5 dB)Wavelength 780 -790 nmSignal-to-noise ratio More than 90 dBDynamic range More than 90 dBCD DIGITAL OUT(Square optical connector jack, rear panel)Wavelength 600 nmOutput Level –18 dBm

Tape player sectionRecording system 4-track 2-channel stereoFrequency response 60 - 13,000 Hz (±3 dB),(DOLBY NR OFF) using Sony TYPE I cassette

Tuner sectionFM stereo, FM/AM superheterodyne tuner

FM tuner sectionTuning range 87.5 - 108.0 MHzAntenna FM lead antennaAntenna terminals 75 Ω unbalancedIntermediate frequency 10.7 MHz

Continued on next page

HCD-RXD6AV

2323

7-4. SCHEMATIC DIAGRAM TUNER SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 39 for IC Block Diagrams.

HCD-RXD6AV

2424

7-5. SCHEMATIC DIAGRAM DOLBY SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 22 for Printed Wiring Board.

HCD-RXD6AV

2525

7-6. SCHEMATIC DIAGRAM TEPE/POWER SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 22 for Printed Wiring Board. • Refer to page 39 for IC Block Diagrams.

HCD-RXD6AV

2727

7-8. SCHEMATIC DIAGRAM FRONT SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 38 for IC Block Diagrams.

HCD-RXD6AV

2929

7-10. SCHEMATIC DIAGRAM FLD SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 21 for Wavefoms. • Refer to page 38 for IC Block Diagrams. • Refer to page 40 for IC Pin Function Description.

8

HCD-RXD6AV

3131

7-12. SCHEMATIC DIAGRAM CD SECTION

IFLD

29

C

242

NOTE• Voltages and waveforms are dc with respect to ground. no mark : STOP

• Refer to page 21 for Note on Schematic Diagrams. • Refer to page 21 for Wavefoms. • Refer to page 36 for IC Block Diagrams.

The components identified bymark ! or dotted line with mark! are critical for safety.Replace only with part numberspecified.

Les composants identifiés parune marque ! sont critiquespour la sécurité.Ne les remplacer que par unepièce portant le numéro spécifié.

HCD-RXD6AV

3333

7-14. SCHEMATIC DIAGRAM CENTER/REAR AMP SECTION • Refer to page 21 for Note on Schematic Diagrams.

The components identified bymark ! or dotted line with mark! are critical for safety.Replace only with part numberspecified.

Les composants identifiés parune marque ! sont critiquespour la sécurité.Ne les remplacer que par unepièce portant le numéro spécifié.

HCD-RXD6AV

3434

7-15. SCHEMATIC DIAGRAM FRONT AMP SECTION • Refer to page 21 for Note on Schematic Diagrams.

36

7-17. IC BLOCK DIAGRAMS

IC701 CXA1992BR (CD DECORD Board)

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

+–

+–

37

IC703 BA5936S (CD DECORD Board)

IC702 CXD2589Q (CD DECORD Board)

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

38

IC701, 702 BU2092 (FRONT Board)

IC603 74HC165 (FLD Board)

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

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

39

IC103 LC72131 (MAIN Board)

IC201 TA8189N (MAIN Board)

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

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