File name HCD-RXD7AV with STK407-090E.pdfHCD-RXD7AV
SERVICE MANUAL
US Model Canadian Model
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.
Model Name Using Similar Mechanism HCD-RXD3 CD Section CD Mechanism Type Base Unit Name Optical Pick-up Name Tape deck Section CX3 KSM-213ECM KSS-213ECM/C2NP
Model Name Using Similar Mechanism HCD-RXD6 Tape Transport Mechanism Type CWL-44-RR
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS:
US model
POWER OUTPUT AND TOTAL HARMONIC DISTORTION :
with 6 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 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 (6 at 1 kHz, 1% THD) Rear Surround Speaker : Continuous RMS power output (reference) 30 + 30 W (6 at 1 kHz, 1% THD)
Inputs MD/VIDEO IN : (phono jacks) DVD INPUT FRONT IN : (phono jacks) CENTER IN : (phono jacks) REAR IN : (phono jacks) WOOFER IN : (phono jacks) Outputs MD/VIDEO OUT : (phono jacks) PHONES : (stereo phone jack) FRONT SPEAKER :
CD player section voltage 450/250 mV, inpedance 47 k voltage 450 mV, inpedance 47 k voltage 450 mV, inpedance 47 k voltage 450 mV, inpedance 47 k voltage 450 mV, inpedance 47 k
System Laser Laser output Compact disc and digital audio system Semiconductor laser (=780nm) Emission duration: continuous 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. 20 Hz - 20 kHz (±0.5 dB) 780 -790 nm More than 90 dB More than 90 dB
voltage 250 mV impedance 1 k accepts headphones of 8 or more accepts impedance of 6 to 16 or more CENTER SPEAKER: accepts impedance of 6 to 16 or more SUPER WOOFER : Voltage 1 V, impedance 1 k
Frequency response Wavelength Signal-to-noise ratio Dynamic range CD DIGITAL OUT (Square optical connector jack, rear panel) Wavelength 600 nm Output Level 18 dBm
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MINI Hi-Fi COMPONENT SYSTEM
MICROFILM
Tape player section
Recording system Frequency response (DOLBY NR OFF) Wow and flutter 4-track 2-channel stereo 60 - 13,000 Hz (±3 dB), using Sony TYPE I cassette ±0.15% W.Peak (IEC) 0.1% W.RMS (NAB) ±0.2% W.Peak (DIN)
SAFETY CHECK-OUT
(US model only) After correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.
Tuner section
FM stereo, F |