SERVICE MANUAL
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
HCD-RG444
AEP Model
MINI HI-FI COMPONENT SYSTEM
9-877-899-01
2004E1678-1
© 2004.05
• HCD-RG444 is the tuner, deck, CD and
amplifier section in MHC-RG444S.
SPECIFICATIONS
Ver 1.0 2004.05
Amplifier section
Front speaker
DIN power output (rated): 100 + 100 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference):
240 + 240 watts (6 ohms at
1kHz, 10% THD)
Sub woofer
DIN power output (rated): 100 watts (6 ohms at
60 Hz, DIN)
Continuous RMS power output (reference):
120 watts (6 ohms at
50 Hz, 10% THD)
Music power output (reference):
240 watts (6 ohms at
50 Hz, 10% THD)
Inputs
GAME INPUT AUDIO L/R (phono jacks):
voltage 250 mV,
impedance 47 kilohms
GAME INPUT VIDEO (phono jack):
1Vp-p, 75 ohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack):
max. output level 1Vp-p,
unbalanced, Sync
negative, load impedance
75 ohms
SPEAKER: accepts impedance of 6 to
16 ohms
SUB WOOFER OUT:
accepts impedance of 6 to
16 ohms
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wavelength 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
(50-kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
531 – 1,602 kHz (with the
tuning interval set at
9kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
Model Name Using Similar Mechanism HCD-RG222
CD
CD Mechanism Type CDM74-F1BD81
Section
Optical Pick-up Name
KSM-215DCP/C2NP
Tape deck Model Name Using Similar Mechanism HCD-RG222
Section Tape Transport Mechanism Type CWM43FF-05
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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