Sony HCD-GX555 - 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 Overview

Audio Power Specifications

Describes power output and distortion for various models.

General Specifications

Power Requirements and Consumption

Details power usage and needs.

Safety Precautions

Safety Check-out and Leakage Test

Procedures for safety verification.

Servicing Notes

Optical Pick-up Handling and Checks

Precautions and tests for the optical pick-up.

General Information

Location of Controls on Main Unit

Identifies unit controls and features.

Disassembly Procedures

Disassembly Flowchart

Outlines the sequence for dismantling the unit.

Test Modes Overview

Diagnostic and Operational Test Modes

Covers various test modes for diagnostics.

Diagrams - CD Servo Section

Block Diagram: CD Servo System

Architecture of the CD servo system.

Circuit Board Information

Diagram Conventions and Board Locations

Explains PWB/schematic notation and board placement.

Printed Wiring Boards - CD Board

PWB Layout: CD Board (Except MX Model)

Component placement on the CD board.

Printed Wiring Boards - Main Board

PWB Layout: Main Board (Part 1)

Component placement for the main board.

Schematic Diagrams - Main Board

Schematic Diagram: Main Board (1;3)

Circuit diagram for the main board.

Printed Wiring Boards - Power Board

PWB Layout: Power Board

Component placement for the power board.

Schematic Diagrams - Power Board

Schematic Diagram: Power Board

Circuit diagram for the power board.

Printed Wiring Boards - Audio, Mic, Headphone

PWBs: Audio In, Mic, and Headphone Boards

Component layouts.

Printed Wiring Boards - Panel Section

PWB Layout: Panel Section (Part 1;2)

Component layout.

Schematics - Panel Section

Schematic Diagram: Panel Section (Part 1;2)

Circuit diagram.

Printed Wiring Boards - TRANS Section

PWBs: Sub Trans, AC1, Transformer Boards

Component layouts.

Waveforms and IC Block Diagrams

Waveforms: CD and BD Boards

Signal waveforms for CD/BD boards.

IC Block Diagram: CD Servo Processor

Block diagram for CXD3059AR.

IC Diagrams - System Controller IC

IC301 TC94 A34 FG-002 System Controller IC

Diagram for system controller IC.

IC Pin Function Descriptions

Main Board System Controller IC Pinout

Details pins for system controller IC.

Exploded Views - Overall Unit

Overall Unit Exploded View with Part Numbers

Shows overall unit breakdown with parts.

Exploded Views - Front Panel Components

Front Panel Section Exploded View with Part Numbers

Shows breakdown of the front panel with parts.

Electrical Parts List

Resistors and Capacitors Listing

Lists resistor and capacitor parts.

Revision History

Revision Log

Tracks changes to the manual.

Sony HCD-GX555 Specifications

General

Brand	Sony
Model	HCD-GX555
Category	Car Receiver
Language	English