Sony HCD-RG490 Service Manual

SERVICE MANUAL
COMPACT DISC DECK RECEIVER
Ver. 1.2 2006.06
SPECIFICATIONS
9-887-053-03
2006F05-1
© 2006.06
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
Photo: HCD-RG590 (Except AEP, UK, Russian models)
• HCD-RG490 is the amplifier, CD player, tape
deck and tuner section in MHC-RG490S.
• HCD-RG590 is the amplifier, CD player, tape
deck and tuner section in MHC-RG590S.
Amplifier section
European and Russian models:
HCD-RG590
Front speaker
DIN power output (rated):
110 + 110 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 145 + 145 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference): 290 +
290 watts (6 ohms at 1 kHz, 10% THD)
Subwoofer
DIN power output (rated): 130 watts
(6 ohms at 80 Hz, DIN)
Continuous RMS power output
(reference): 170 watts (6 ohms at 80 Hz,
10% THD)
Music power output (reference):
340 watts (6 ohms at 80 Hz, 10% THD)
Other models:
HCD-RG490
HCD-RG590
Front speaker
The following are measured at AC 120, 127,
220, 240 V 50/60 Hz
DIN power output (rated): 95 + 95 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 125 + 125 watts (6 ohms at
1 kHz, 10% THD)
Subwoofer
DIN power output (rated): 120 watts
(6 ohms at 80 Hz, DIN)
Continuous RMS power output
(reference): 150 watts (6 ohms at 80 Hz,
10% THD)
The following are measured at AC 220 V, 50 Hz
(Argentine model), AC 120 or 127 V, 60 Hz
(Mexican model), AC 127 or 220 V, 60 Hz
(Saudi Arabian model), AC 120, 220 or 240 V,
50/60 Hz (other models)
Front speaker:
DIN power output (rated): 110 + 110 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
145 + 145 W (6 ohms at 1 kHz, 10% THD)
Subwoofer:
DIN power output (rated): 130 W
(6 ohms at 80 Hz, DIN)
Continuous RMS power output (reference):
170 W (6 ohms at 80 Hz, 10% THD)
HCD-RG490
Front speaker
DIN power output (rated): 95 + 95 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 125 + 125 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference): 250 +
250 watts (6 ohms at 1 kHz, 10% THD)
Subwoofer
DIN power output (rated): 120 watts
(6 ohms at 80 Hz, DIN)
Continuous RMS power output
(reference): 150 watts (6 ohms at 80 Hz,
10% THD)
Music power output (reference):
300 watts (6 ohms at 80 Hz, 10% THD)
– Continued on next page –
Model Name Using Similar Mechanism HCD-RG270
CD Mechanism Type
CDM74KF-K6BD83S (Except Mexican model)/
CD
CDM74KF-F1BD84 (Mexican model)
Section Base Unit Name
BU-K6BD83S-WOD (Except Mexican model)/
BU-F1BD84 (Mexican model)
Optical Pick-up Block Name
KSM-213DCP (Except Mexican model)/
KSM-215DCP (Mexican model)
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type CWN42FF609
HCD-RG490/RG590
AEP Model
E Model
HCD-RG490/RG590
UK Model
HCD-RG590
Australian Model
HCD-RG490

Sony HCD-RG490 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
Playable Media	CD, CD-R, CD-RW
Radio Tuner	Yes
Cassette Deck	Yes
Remote Control	Yes
Tuner Bands	AM, FM
Speakers	Yes

Summary

Amplifier Section Specifications

European/Russian Models (HCD-RG590)

Details DIN power and RMS power for front speakers and subwoofer for specific regional models.

Other Models (HCD-RG490/RG590)

Details power output specifications for front speakers and subwoofer for various models.

General Product Specifications

Mechanism and Model Details

Lists CD mechanism, base unit, optical pick-up block, and model variations.

General System Overview and Safety

System Controls and Features

Describes unit layout, remote controls, and core system functions.

Safety, Maintenance, and Cautions

Covers critical safety warnings, repair notes, and handling precautions.

Servicing and Adjustments

Servicing Notes and Test Modes

Includes handling precautions, test procedures, and system lock modes.

Mechanical and Electrical Adjustments

Details procedures for head azimuth, torque, and tape tension adjustments.

Diagrams and Parts Lists

System Block Diagrams and PWBs

Provides system block diagrams and PWB layouts for major sections.

Schematic Diagrams

Presents detailed schematics for various circuit boards (CD, BD, Deck, Main, etc.).

Electrical Parts List

Lists all components with part numbers for various boards.

Exploded Views

Unit Assembly Views

Shows exploded views of the case, panel, lid, and front panel assemblies.

Internal Component Views

Illustrates exploded views of the CD mechanism deck and power/subwoofer boards.

Supplements

Supplement-1: DECK Board Change

Details the change in the DECK board from former to new type.

Supplement-2: Board Changes

Describes changes to MAIN, KEY, and PANEL boards for specific models.