Sony HCD-GX255 Service Manual page 2

HCD-GX255/RG170/RG470
CD player section
System Compact disc and digital
audio system
Laser Diode Properties Emission duration:
continuous
Laser Output*:
Less than 44.6µW
* This output is the value measurement at a distance of
200mm from the objective lens surface on the
Optical Pick-up Block with 7mm aperture.
2 Hz − 20 kHz (±0.5 dB)
Frequency response
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
50 − 13,000 Hz (±3 dB),
Frequency response
using Sony TYPE I
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 − 108.0 MHz
North American model:
(100 kHz step)
87.5 − 108.0 MHz
Other models:
(50 kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
530 − 1,710 kHz
Pan-American models:
(with the tuning interval
set at 10 kHz)
531 − 1,710 kHz
(with the tuning interval
set at 9 kHz)
European, Russian and Saudi Arabian models:
531 − 1,602 kHz (with the
tuning interval set at
9 kHz)
530 − 1,710 kHz
Other models:
(with the tuning interval
set at 10 kHz)
531 − 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna AM loop antenna
Intermediate frequency 450 kHz
2
General
Power requirements
North American model: 120 V AC, 60 Hz
European and Russian models:
230 V AC, 50/60 Hz
230 − 240V AC, 50/60 Hz
Australian model:
Argentine model: 220 V AC, 50/60 Hz
Mexican model: 127 V AC, 60 Hz
120 − 127, 220 or
Saudi Arabian model:
230 − 240V AC, 50/60 Hz
Adjustable with voltage
selector
Other models: 120 V, 220 V or
230 − 240V AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption
Canadian model:
HCD-GX255: 110 watts
European and Russian models:
HCD-RG470: 240 watts
0.25 watts (at the Power
Saving Mode)
HCD-RG170: 70 watts
0.25 watts (at the Power
Saving Mode)
Other models:
HCD-RG470: 170 watts
HCD-RG170: 125 watts
Dimensions (w/h/d) (excl. speakers)
Approx. 280 × 325 ×
430 mm
Mass (excl. speakers)
Canadian model:
HCD-GX255: Approx. 8.5 kg
European and Russian models:
HCD-RG470: Approx. 10.0 kg
HCD-RG170: Approx. 7.2 kg
Other models:
HCD-RG470: Approx. 10.4 kg
HCD-RG170: Approx. 8.5 kg
Design and specifications are subject to change
without notice.