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MICROFILM
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
HCD-GRX70/GRX70J/RXD80
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
a
are trade-
marks of Dolby Laboratories Licensing Corporation.
Canadian Model
HCD-RXD80
E Model
HCD-GRX70/GRX70J
Australian Model
HCD-GRX70
HCD-GRX70/GRX70J/RXD80 are the Am-
plifier, CD player, Tape Deck and Tuner
section in HMC-GRX70/GRX70J/RXD80.
SPECIFICATIONS
Amplifier section
Canadian model:
Continuous RMS power output (reference)
100 + 100 watts
(8 ohms at 1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(8 ohms at 1 kHz, 55 W)
Other models:
The following measured at AC 120, 220, 240 V 50/60 Hz
DIN power output (rated)
130 + 130 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
170 + 170 watts
(6 ohms at 1 kHz, 10% THD)
Model Name Using Similar Mechanism
HCD-GRX50/RXD7
CD Mechanism Type
CDM38LH-5BD32L
Base Unit Name
BU-5BD32L
Optical Pick-up Name
KSS-213D/Q-NP
Model Name Using Similar Mechanism
HCD-GRX50/RXD7
Tape Transport Mechanism Type
TCM-230AWR2
CD
Section
Tape deck
Section
Photo: HCD-GRX70 (GRAY)
Inputs
MD/VIDEO (AUDIO) IN:
voltage 450 mV/250 mV,
(phono jacks)
impedance 47 kilohms
MIX MIC: (phone jack)
sensitivity 1 mV, impedance 10
kilohms
Outputs
MD OUT:
voltage 250 mV,
(phono jacks)
impedance 1 kilohms
PHONES:
accepts headphones of 8 ohms
(stereo mini jack)
or more
SPEAKER:
Canadian model:
accepts impedance of 8 to 16 ohms
SURROUND SPEAKER (GRX70/GRX70J):
accepts impedance of 16 ohms
SUPER WOOFER:
Voltage 1 V, impedance 1 kilohm
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Summary of Contents for HCD-GRX70
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