Sony HCD-RG490 Service Manual page 2

HCD-RG490/RG590
Ver. 1.1
Inputs:
AUDIO IN (stereo mini jack): voltage
250 mV, impedance 47 kilohms
MIC (phone jack) (Latin American
model only): sensitivity 1 mV,
impedance 10 kilohms
Outputs:
PHONES (stereo mini jack): accepts
headphones of 8 ohms or more
VIDEO OUT (phono jack) (Mexican
model only): max. output level 1Vp-
p, unbalanced, Sync negative, load
impedance 75 ohms
SPEAKER: accepts impedance of 6 to
16 ohms
SUBWOOFER OUT: accepts
impedance of 6 to 16 ohms
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
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.
2
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, Russian and Saudi Arabian models:
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 and Russian models:
AC 230 V, 50/60 Hz
Australian model: AC 230 240 V,
50/60 Hz
Mexican model: AC 127 V, 60 Hz
Argentine model: AC 220 V, 50/60 Hz
Saudi Arabian model: AC 120 127,
220 or 230 240 V, 50/60 Hz,
Adjustable with voltage selector
Other models: AC 120, 220 or
230 240 V, 50/60 Hz,
Adjustable with voltage selector
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.
Power consumption
Mexican model:
HCD-RG590: 205 watts
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 and Russian models:
HCD-RG590: Approx. 9.5 kg
HCD-RG490: 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.
SAFETY-RELATED COMPONENT WARNING!!