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HCD-RXD6AV

US Model

Canadian Model

SERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

MICROFILM

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

a

 are trademarks

of 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 Dolby
Laboratories Licensing Corporation.

SPECIFICATIONS

HCD-RXD6AV is the Amplifier, CD
player, Tape Deck and Tuner section in
MHC-RXD6AV.

AUDIO POWER SPECIFICATIONS:

US model

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION :

with 6 

 loads, both channels driven, from 70 - 20,000

Hz; rates 60 watts 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 

 at 1 kHz, 10% THD)

Total harmonic distortion less than 0.07%

(6 

 at 1 kHz, 35 W)

Center Surround Speaker :

Continuous RMS power output (reference)

30 W
(12 

 at 1 kHz, 1% THD)

Rear Surround Speaker :

Continuous RMS power output (reference)

15 + 15 W
(6 

 at 1 kHz, 1% THD)

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

Tape player section

Recording system

4-track 2-channel stereo

Frequency response

60 - 13,000 Hz (±3 dB),

(DOLBY NR OFF)

using Sony TYPE I cassette

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range

87.5 - 108.0 MHz

Antenna

FM lead antenna

Antenna terminals

75 

 unbalanced

Intermediate frequency 10.7 MHz

 Continued on next page

Summary of Contents for HCD-RXD6AV

Page 1: ...ntinuous 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 section System Compact disc and digital audio system Laser Semiconductor laser λ 780nm Emissi...

Page 2: ...HCD RXD6AV 23 23 7 4 SCHEMATIC DIAGRAM TUNER SECTION Refer to page 21 for Note on Schematic Diagrams Refer to page 39 for IC Block Diagrams ...

Page 3: ...HCD RXD6AV 24 24 7 5 SCHEMATIC DIAGRAM DOLBY SECTION Refer to page 21 for Note on Schematic Diagrams Refer to page 22 for Printed Wiring Board ...

Page 4: ...HCD RXD6AV 25 25 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 ...

Page 5: ...HCD RXD6AV 27 27 7 8 SCHEMATIC DIAGRAM FRONT SECTION Refer to page 21 for Note on Schematic Diagrams Refer to page 38 for IC Block Diagrams ...

Page 6: ...V 29 29 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 ...

Page 7: ...for Note on Schematic Diagrams Refer to page 21 for Wavefoms Refer to page 36 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié ...

Page 8: ... Note on Schematic Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié ...

Page 9: ...HCD RXD6AV 34 34 7 15 SCHEMATIC DIAGRAM FRONT AMP SECTION Refer to page 21 for Note on Schematic Diagrams ...

Page 10: ... 21 20 19 18 17 16 15 14 40 41 42 43 44 45 46 47 48 49 50 51 52 39 PD 1 I V AMP 38 PD AMP 37 LD AMP LASER POWER CONTROL FOCUS BIAS WINDOW COMPARATOR FOCUS ERROR AMP F I V AMP E I V AMP TGFL TRACKING GAIN WINDOW COMPARATOR E F BALANCE WINDOW COMPARATOR ATSC WINDOW COMPARATOR TZC COMPARATOR TRACKING PHASE COMPENSATION CENTER VOLTAGE GENERATOR FZC COMPARATOR FOCUS PHASE COMPENSATION CHARGE UP FSET IS...

Page 11: ...GF GFS EMPH WFCK C2PO LECK PCMD BCK EMPHI LECKI PCMDI BCKI SYSM TES1 TEST XRST RMUT LMUT XTAI XTAO AOUT1 AIN1 LOUT1 AOUT2 AIN2 LOUT2 DOUT PWMI MDP SQCK SQSO EXCK SBSO SCOR XLON SPOB SPOA CLOK XTAL DATA SENS CLKO XLTO DATO CNIN SEIN FOK CLTV PCO FILI FILO XPCK BIAS ASYO ASYI 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 S...

Page 12: ...2 BIT STORAGE REGISTER OUTPUT BUFFER OPEN DRAIN 17 18 VDD OE Q11 Q10 Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 LCK CLOCK DATA VSS 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 CK E F G H QH D C B A SERIAL IN CLOCK INHIBIT SHIFT LOAD GND QH VCC OUTPUT QH SERIAL INPUT A B C D CLOCK INHIBIT SHIFT LOAD CLOCK E F G H OUTPUT QH PARALLEL INPUTS PARALLEL INPUTS ...

Page 13: ... 8 9 16 15 14 13 12 11 10 17 18 19 20 XOUT VSS AOUT AIN PD VDD FMIN AMIN XIN DO CL DI CE IFIN IO1 BO4 BO3 BO2 BO1 IO2 UNLOCK DETECTOR DATA SHIFT REGISTER LATCH CH2 A CH2 B NF VCC CG NF ALC METAL OUT PRE OUT TAPE A TAPE B REC OUT REC IN CH1 A CH1 B NF GND1 M H NF CH2 CH2 ALC M N CH1 GND GND CH1 A B GND METAL OUT PRE OUT MIX OUT REC OUT REC IN IREF VREF2 VREF1 24 23 22 21 20 19 18 17 16 15 14 13 1 2...

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