Sony HCD-RG490; HCD-RG590 Service Manual page 2

HCD-RG490/RG590
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission duration: continuous
Laser Output*: Less than 44.6 W
*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.
Frequency response: 20 Hz 20 kHz
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
Pan-American model:
530 1,710 kHz (with 10 kHz tuning interval)
531 1,710 kHz (with 9 kHz tuning interval)
European model:
531 1,602 kHz (with 9 kHz tuning interval)
Other models:
530 1,710 kHz (with 10 kHz tuning interval)
531 1,602 kHz (with 9 kHz tuning interval)
Antenna: AM loop antenna, external antenna
terminal
Intermediate frequency: 450 kHz
General
Power requirements
European model: AC 230 V, 50/60 Hz
Mexican model: AC 127 V, 60 Hz
Argentine model: AC 220 V, 50/60 Hz
Other models: AC 120, 220 or 230 240 V,
50/60 Hz, Adjustable with voltage selector
Power consumption
European model:
HCD-RG590: 205 watts
Mexican model:
HCD-RG490: 240 watts
Other models:
HCD-RG590: 205 watts
HCD-RG490: 245 watts
Dimensions (w/h/d) (excl. speakers): Approx. 280
328 412.3 mm
Mass (excl. speakers)
European model:
HCD-RG590: Approx. 9.5 kg
Other models:
HCD-RG590: Approx. 9.7 kg
HCD-RG490: Approx. 9.5 kg
Design and specifications are subject to change
without notice.
2
Notes on chip component replacement
Never reuse a disconnected chip component.
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
Keep the temperature of the soldering iron around 270 ˚C
during repairing.
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
This appliance
is classified
as a CLASS 1
LASER product.
This marking is
located on the rear
exterior.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.