Sony HCD-GX20 Service Manual

SERVICE MANUAL
Ver 1.4 2003.12
• HCD-GX20 is the tuner, deck, CD and
amplifier section in MHC-GX20.
AUDIO POWER SPECIFICATIONS:
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
with 6 ohms loads both channels driven, from
120 – 10,000 Hz; rates 60 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Total harmonic distortion less than 0.07%
(6 ohms at 1 kHz, 30 W)
Amplifier section
Continuous RMS power output (reference)
60 + 60 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(6 ohms at 1 kHz, 30 W)
Inputs
AUDIO INPUT (phono jack):
voltage 450 mV,
impedance 47 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
Front speaker: 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
Sony Corporation
9-873-622-05
2003L16-1 Home Audio Company
© 2003.12 Published by Sony Engineering Corporation
HCD-GX20
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Tape deck Model Name Using Similar Mechanism
Section Tape Transport Mechanism Type
SPECIFICATIONS
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
cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
530 – 1,710 kHz (with the
Tuning range
interval set at 10 kHz)
531 – 1,710 kHz (with the
interval set at 9 kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
MINI HI-FI COMPONENT SYSTEM
US Model
Canadian Model
HCD-DX10
CDM58F-K6
KSM-213D
NEW
CWL43FF48
General
Power requirements 120 V AC, 60 Hz
Power consumption 105 watts
Approx. 280 × 325 × 412 mm
Dimensions (w/h/d)
Mass Approx. 8.5 kg
Supplied accessories: Remote Commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Front speaker pads (8)
Design and specifications are subject to change
without notice.