Sony HCD-GX355 - User Manual

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

Summary

SPECIFICATIONS

Power Output Specifications

Details power output and harmonic distortion for various models.

SAFETY PROCEDURES

Leakage Test and Repair Precautions

Guidelines for safety checks, leakage tests, and repair procedures.

SERVICING NOTES

Optical Pick-up and Laser Diode Handling

Precautions for handling optical pick-up, laser diode, and emission checks.

MODEL IDENTIFICATION

Back Panel Label Information

Details about the model identification label on the back panel.

GENERAL INFORMATION

Controls and Buttons Overview

Identifies controls on the main unit and their locations.

REMOTE CONTROL OPERATION

Button Functionality Guide

Describes the functions of buttons on the remote control.

DISASSEMBLY PROCEDURE

Disassembly Flowchart

Outlines the step-by-step process for disassembling the unit.

TEST MODES

MC Cold Reset and AM Tuning Adjustment

Procedures for cold reset and changing AM tuning interval.

ELECTRICAL ADJUSTMENTS

CD Section Adjustment Procedures

Details on S-curve and RFAC level checks for CD adjustment.

BLOCK DIAGRAMS

CD Servo Block Diagram

Block diagram illustrating the CD servo section circuitry.

PRINTED WIRING BOARDS

CD Board Component Layout

Shows the component placement on the CD board (except MX model).

SCHEMATIC DIAGRAMS

CD Board Circuit Diagram

Circuit diagram for the CD board (except MX model).

EXPLODED VIEWS

Overall Unit Exploded View

Exploded view showing the overall assembly of the unit.

ELECTRICAL PARTS LIST

Component Listings Overview

Introduces the electrical parts list and general notes.

REVISION HISTORY

Manual Revision Log

Records changes and version updates for the service manual.

Sony HCD-GX355 Specifications

General

Brand	Sony
Model	HCD-GX355
Category	Car Receiver
Language	English