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Sony HCD-RG270 Service Manual

Sony HCD-RG270
92 pages
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SERVICE MANUAL
COMPACT DISC DECK RECEIVER
US Model
Canadian Model
HCD-GX355/GX555
AEP Model
UK Model
Australian Model
HCD-RG270/RG475
E Model
HCD-RG270/RG475/RG575
HCD-GX355/GX555/
RG270/RG475/RG575
Ver. 1.2 2005.05
SPECIFICATIONS
9-879-533-03
2005E05-1
© 2005.05
Sony Corporation
Personal Audio Group
Published by Sony Engineering Corporation
Photo: HCD-RG575
HCD-GX355 is the amplifier, CD player, tape deck
and tuner section in MHC-GX355.
HCD-GX555 is the amplifier, CD player, tape deck
and tuner section in MHC-GX555.
HCD-RG270 is the amplifier, CD player, tape deck
and tuner section in MHC-RG270.
HCD-RG475 is the amplifier, CD player, tape deck
and tuner section in MHC-RG475S.
HCD-RG575 is the amplifier, CD player, tape deck
and tuner section in MHC-RG575S.
Amplifier section
AUDIO POWER SPECIFICATIONS
(HCD-GX555/GX355 USA model only)
HCD-GX555
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 145 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
HCD-GX355
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 150 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
North American model:
HCD-GX555
Front speaker
Continuous RMS power output (reference):
145 + 145 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1kHz, 80 W)
Sub woofer
Continuous RMS power output (reference):
170 watts (6 ohms at
80 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
80 Hz, 90 W)
HCD-GX355
Continuous RMS power output (reference):
150 + 150 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1kHz, 80 W)
European and Russian models:
HCD-RG475
Front speaker
DIN power output (rated): 110 + 110 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
140 + 140 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference):
280 + 280 watts (6 ohms at
1kHz, 10% THD)
Sub woofer
DIN power output (rated): 130 watts (6 ohms at
80 Hz, DIN)
Continuous RMS power output (reference):
160 watts (6 ohms at
80 Hz, 10% THD)
Music power output (reference):
320 watts (6 ohms at
80 Hz, 10% THD)
HCD-RG270
DIN power output (rated): 80 + 80 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference):
200 + 200 watts (6 ohms at
1kHz,
10% THD)
– Continued on next page –
Model Name Using Similar Mechanism NEW
CD CD Mechanism Type
CDM74KFS-F1BD81C (Except Mexican model)/
CDM74KFS-F1BD84 (Mexican model)
Section
Base Unit Name BU-F1BD81C (Except Mexican model)/BU-F1BD84 (Mexican model)
Optical Pick-up Block Name KSM-215DCP
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type CWM43FF13

Table of Contents

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Sony HCD-RG270 Specifications

General IconGeneral
BrandSony
ModelHCD-RG270
CategoryCar Receiver
LanguageEnglish

Summary

Service Manual Overview

Specifications

Technical specifications for various models, including audio power output.

Safety Check-out Procedures

Procedures for ensuring safety after service and checking for AC leakage.

Servicing Notes

Important notes on handling components and checks before releasing the unit.

Maintenance and Troubleshooting

General Controls and Layout

Identifies controls on the main unit and remote layout.

Disassembly Procedures

Step-by-step guide for disassembling the unit.

Test Modes

Details for accessing and using diagnostic test modes.

Electrical Adjustments

Procedures for electrical adjustments and checks.

Technical Diagrams and Parts

Block Diagrams

Internal circuit block diagrams for various sections.

Printed Wiring Boards and Exploded Views

Component layouts and visual assembly guides.

Electrical Parts List

Comprehensive list of all components used in the unit.

Revision History

Revision Log

Records changes and updates made to the service manual.

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