Sony HCD-RXD6AV Service Manual
Sony HCD-RXD6AV Service Manual

Sony HCD-RXD6AV Service Manual

Mini hi-fi component system
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SERVICE MANUAL
HCD-RXD6AV is the Amplifier, CD
player, Tape Deck and Tuner section in
MHC-RXD6AV.
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.
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 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 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)
MICROFILM
HCD-RXD6AV
Model Name Using Similar Mechanism HCD-RXD3
CD
CD Mechanism Type
Section
Base Unit Name
Optical Pick-up Name
Tape deck
Model Name Using Similar Mechanism HCD-RXD3
Section
Tape Transport Mechanism Type
SPECIFICATIONS
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
MINI Hi-Fi COMPONENT SYSTEM
US Model
Canadian Model
CX3
KSM-213ECM
KSS-213ECM/C2NP
CWL-44-FR
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
75 Ω unbalanced
Antenna terminals
Intermediate frequency 10.7 MHz
Continued on next page

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Summary of Contents for Sony HCD-RXD6AV

  • Page 1 HCD-RXD6AV SERVICE MANUAL US Model Canadian Model HCD-RXD6AV is the Amplifier, CD player, Tape Deck and Tuner section in MHC-RXD6AV. Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism HCD-RXD3 Licensing Corporation. CD Mechanism Type “DOLBY” and the double-D symbol a are trademarks...
  • Page 2: Schematic Diagram - Tuner Section

    HCD-RXD6AV 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: Schematic Diagram

    HCD-RXD6AV 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 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: Front Section

    HCD-RXD6AV 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 HCD-RXD6AV 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.
  • Page 7 HCD-RXD6AV 7-12. SCHEMATIC DIAGRAM CD SECTION • Refer to page 21 for Note on Schematic Diagrams. • Refer to page 21 for Wavefoms. • Refer to page 36 for IC Block Diagrams. NOTE The components identified by Les composants identifiés par...
  • Page 8 HCD-RXD6AV 7-14. SCHEMATIC DIAGRAM CENTER/REAR AMP SECTION • Refer to page 21 for Note on Schematic Diagrams. The components identified by Les composants identifiés par mark ! or dotted line with mark une marque ! sont critiques ! are critical for safety.
  • Page 9: Front Amp Section

    HCD-RXD6AV 7-15. SCHEMATIC DIAGRAM FRONT AMP SECTION • Refer to page 21 for Note on Schematic Diagrams.
  • Page 10: Ic Block Diagrams

    7-17. IC BLOCK DIAGRAMS CD DECORD Board) IC701 CXA1992BR ( 33 32 31 30 PD 2 PD 1 I-V AMP I-V AMP RF SUMMING FOCUS OK COMPARATOR LASER POWER CONTROL IFB1 – IFB6 PEAK/BOTTOM MIRR HOLD COMPARATOR ↓ DEFECT PEAK/BOTTOM BIAS HOLD FOCUS BIAS...
  • Page 11 IC702 CXD2589Q (CD DECORD Board) 25 26 47 49 54 56 50 39 41 55 40 42 44 62 TES1 TEST XRST Clock Error Generator RMUT Corrector LMUT Serial In demoduretor Interface Interface ASYI XTAI Asymmetry Timing ASYO Corrector XTAO Logic BIAS Over Sampling...
  • Page 12 IC701, 702 BU2092 (FRONT Board) 16 15 14 13 12 11 12 BIT CONTROL SHIFT CIRCUIT REGISTER OUTPUT 12 BIT BUFFER STORAGE (OPEN DRAIN) REGISTER 5 6 7 8 9 IC603 74HC165 (FLD Board) PARALLEL INPUTS CLOCK SERIAL OUTPUT INHIBIT INPUT CLOCK SERIAL...
  • Page 13 IC103 LC72131 (MAIN Board) PHASE DETECTOR CHARGE PUMP POWER REFERENCE UNLOCK DIVIDER DETECTOR RESET SWALLOW COUNTER 1/16, 1/17 4BITS 12BITS PROGRAMMABLE DRIVER UNIVERSAL DATA SHIFT REGISTER LATCH INTERFACE COUNTER 2 3 4 5 6 7 8 9 IC201 TA8189N (MAIN Board) METAL TAPE A CH2/A CH2/B...

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