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Sony HCD-RG295 User Manual

Sony HCD-RG295
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SERVICE MANUAL
COMPACT DISC DECK RECEIVER
SPECIFICATIONS
HCD-RG295/RG495/RG595
Photo: HCD-RG495
Ver. 1.1 2008.09
– Continued on next page –
9-887-527-02
2008I05-1
© 2008.09
Sony Corporation
Audio&Video Business Group
Published by Sony Techno Create Corporation
AEP Model
E Model
HCD-RG295/RG495/RG595
UK Model
HCD-RG295/RG595
Australian Model
HCD-RG295/RG495
HCD-RG295 is the amplifier, CD player, tape
deck and tuner section in MHC-RG295.
HCD-RG495 is the amplifier, CD player, tape
deck and tuner section in MHC-RG495.
HCD-RG595 is the amplifier, CD player, tape
deck and tuner section in MHC-RG595.
Model Name Using Similar Mechanism HCD-RG490/RG590
CD CD Mechanism Type CDM74KF-K6BD83S
Section Base Unit Name BU-K6BD83S-WOD
Optical Pick-up Block Name KSM-213DCP
TAPE Model Name Using Similar Mechanism HCD-RG490/RG590
Section Tape Transport Mechanism Type CWN42FF609
Amplifier section
European model:
HCD-RG595
Front speaker
Power output (rated): 110 W + 110 W
(at 6 , 1 kHz, 1% THD)
RMS output power (reference): 180 W +
180 W (per channel at 6 , 1 kHz, 10%
THD)
Subwoofer
RMS output power (reference): 180 W
(at 6 , 80 Hz, 10% THD)
HCD-RG495
Front speaker
Power output (rated): 95 W + 95 W (at
6 , 1 kHz, 1% THD)
RMS output power (reference): 155 W +
155 W (per channel at 6 , 1 kHz, 10%
THD)
Subwoofer
RMS output power (reference): 155 W
(at 6 , 80 Hz, 10% THD)
HCD-RG295
Power output (rated): 95 W + 95 W (at
6 , 1 kHz, 1% THD)
RMS output power (reference): 155 W +
155 W (per channel at 6 , 1 kHz, 10%
THD)
Other models:
HCD-RG495
HCD-RG595
The following are measured at AC 120, 127,
220, 240 V 50/60 Hz
Front speaker
Power output (rated): 95 W + 95 W (at
6 , 1 kHz, 1% THD)
RMS output power (reference): 155 W +
155 W (per channel at 6 , 1 kHz, 10%
THD)
Subwoofer
RMS output power (reference): 155 W
(at 6 , 80 Hz, 10% THD)
HCD-RG295
The following are measured at AC 120, 127,
220, 240 V 50/60 Hz
Power output (rated): 95 W + 95 W (at
6 , 1 kHz, 1% THD)
RMS output power (reference): 155 W +
155 W (per channel at 6 , 1 kHz, 10%
THD)
Inputs:
AUDIO IN (stereo mini jack): voltage
250 mV, impedance 47 kilohms
Outputs:
PHONES (stereo mini jack): accepts
headphones of 8 ohms or more
SPEAKER: accepts impedance of 6 to
16 ohms
SUBWOOFER OUT (HCD-RG595/
RG495 only): accepts impedance of 6 to
16 ohms
The following are measured at AC 120, 127,
220 or 240 V, 50/60 Hz
Front speaker:
Power output (rated): 110 W + 110 W
(at 6 , 1 kHz, 1% THD)
RMS output power (reference): 180 W + 180 W
(per channel at 6 , 1 kHz, 10% THD)
Subwoofer:
RMS output power (reference): 180 W
(at 6 , 80 Hz, 10% THD)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Table of Contents

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Sony HCD-RG295 Specifications

General IconGeneral
CD PlayerYes
TunerYes
Speaker Configuration2.0
Tuner BandsAM/FM
CD Player TypeSingle Disc
Cassette DeckYes
TypeMini HiFi System
Power Output100W

Summary

SPECIFICATIONS

Amplifier Section Power Output

Details power output specifications for front speakers and subwoofer across different models.

System Inputs and Outputs

Lists available audio input jacks and output connectors for headphones and speakers.

SERVICING NOTES

Handling Optical Pick-up and Laser Diode

Precautions for handling optical components and checking laser diode emission safely.

Solder and Repair Guidelines

Information on unleaded solder usage and flexible circuit board repair temperature.

Antitheft Lock Release and Safety Caution

Procedures to release antitheft lock and warnings on hazardous radiation exposure.

GENERAL SYSTEM OVERVIEW

Guide to Unit and Remote Controls

Identifies and explains the function of unit and remote control buttons, indicators, and ports.

Basic System Operations

Sound Adjustment and Playback

Instructions for adjusting sound, playing CDs/MP3s, tapes, and listening to the radio.

Listening to Radio and Using Optional Audio Components

Procedures for tuning radio stations and connecting external audio devices.

Advanced Operations and Timers

Custom CD Programs and Sound Effects

Guide to programming custom CD track sequences and creating personalized sound effect settings.

Timer Functions

Instructions for setting Sleep, Play, and Rec timers for automated system operation.

DISASSEMBLY PROCEDURE

Disassembly Flow Chart

A visual guide showing the sequence of steps for disassembling the unit.

TEST MODES AND SPECIAL FUNCTIONS

System Reset and Tuning Modes

Procedures for cold reset, tuning step change, and CD ship lock modes.

Antitheft Lock and Diagnostic Modes

How to release antitheft lock and enter amplifier/MC test modes for diagnostics.

DIAGNOSTIC MODES

Version Display and CD Error Code Modes

Entering modes to check software version and display CD error codes.

ERROR CODE INTERPRETATION AND SPECIAL MODES

Optical Pick-up Error Code Interpretation

Understanding error history and status codes for the optical pick-up.

Repeat Limit Cancel and CD Power Management

Modes to cancel repeat limits and manage CD power for noise reduction.

MECHANICAL ADJUSTMENTS AND MEASUREMENTS

Precautionary Measures and Torque Specs

Safety guidelines and torque specifications for mechanical adjustments.

Tape Tension Measurement

Procedure for measuring and adjusting tape tension for optimal performance.

ELECTRICAL ADJUSTMENTS

Deck Head Azimuth Adjustment

Procedure for adjusting the record/playback head azimuth using test equipment.

PERFORMANCE CHECKS

FM Tune Level and Focus Bias Checks

Procedures for checking FM tuner sensitivity and optical pick-up focus bias.

SYSTEM BLOCK DIAGRAMS

CD Servo Section Block Diagram

Illustrates the signal flow and component interconnections within the CD servo system.

MAIN SYSTEM BLOCK DIAGRAMS

Main Section Block Diagram

Overview of the main section's architecture and signal paths.

AMPLIFIER AND OTHER SYSTEM BLOCK DIAGRAMS

Amplifier/Video Section Block Diagram

Details the signal flow for audio amplification and video processing.

PANEL AND POWER SUPPLY BLOCK DIAGRAM

Panel/Power Supply Section Block Diagram

Illustrates power distribution and control signals for the front panel.

CIRCUIT BOARD LAYOUTS AND NOTES

Printed Wiring Board Conventions

Explains symbols and notations used in printed wiring board diagrams.

Circuit Board Physical Locations

Visual guide showing the placement of all major circuit boards within the unit.

CD BOARD SCHEMATIC DIAGRAM

CD Board Detailed Circuit Diagram

Comprehensive schematic illustrating the electronic components and connections of the CD board.

CHANGER SECTION LAYOUTS

Changer Section Printed Wiring Boards

Layout of the printed wiring for the changer mechanism and associated components.

CHANGER SECTION SCHEMATIC DIAGRAM

Changer Section Circuit Diagram

Detailed schematic for the changer mechanism's electrical design.

DECK SECTION LAYOUT

Deck Section Printed Wiring Board

Layout of the printed wiring for the tape deck mechanism.

DECK SECTION SCHEMATIC DIAGRAM

Deck Section Circuit Diagram

Detailed schematic illustrating the tape deck's electrical circuits.

MAIN SECTION LAYOUTS

Main Board Printed Wiring Board

Layout of the printed wiring for the unit's main control board.

MAIN SECTION SCHEMATIC DIAGRAMS

Main Section Schematic Diagram (1/3)

Part one of the main section schematic, showing key ICs and signal paths.

Main Section Schematic Diagrams

Main Section Schematic Diagram (2/3)

Part two of the main section schematic, detailing amplifier and control circuits.

Main Section Schematic Diagrams

Main Section Schematic Diagram (3/3)

Part three of the main section schematic, covering power and interface connections.

MIC/AUX/HP BOARD LAYOUT

MIC/AUX/HP Board Printed Wiring Board

Layout of the printed wiring for the microphone, auxiliary input, and headphone board.

PANEL AND KEY SECTION SCHEMATICS

Panel/Key Section Schematic Diagram

Circuit diagram for the front panel controls, display, and key inputs.

PANEL BOARD LAYOUT

Panel Board Printed Wiring Board

Layout of the printed wiring for the main panel board, including display and controls.

KEY SECTION LAYOUTS

Key Section Printed Wiring Boards

Layouts for the key top, left, and right boards containing front panel buttons.

POWER BOARD (RG295/RG495) LAYOUT

Power Board (RG295/RG495) Printed Wiring Board

Layout of the printed wiring for the power supply board used in RG295/RG495 models.

POWER BOARD (RG295/RG495) SCHEMATIC

Power Board (RG295/RG495) Schematic Diagram

Circuit diagram for the power supply board, detailing voltage regulation and output.

POWER BOARD (RG595) LAYOUT

Power Board (RG595) Printed Wiring Board

Layout of the printed wiring for the power supply board used in RG595 models.

POWER BOARD (RG595) SCHEMATIC

Power Board (RG595) Schematic Diagram

Circuit diagram for the power supply board, detailing amplifier and protection circuits.

SUB WOOFER SECTION LAYOUTS

Sub Woofer Section Printed Wiring Boards

Layout of the printed wiring for the subwoofer section boards.

SUB WOOFER SECTION SCHEMATIC

Sub Woofer Section Schematic Diagram

Circuit diagram for the subwoofer amplifier and control circuits.

TRANSFORMER BOARD (RG295/RG495) LAYOUT

Transformer Board (RG295/RG495) Printed Wiring Board

Layout of the printed wiring for the transformer board used in RG295/RG495 models.

TRANSFORMER BOARD (RG295/RG495) SCHEMATIC

Transformer Board (RG295/RG495) Schematic Diagram

Circuit diagram for the transformer board, showing power input and distribution.

TRANSFORMER BOARD (RG595) LAYOUT

Transformer Board (RG595) Printed Wiring Board

Layout of the printed wiring for the transformer board used in RG595 models.

TRANSFORMER BOARD (RG595) SCHEMATIC

Transformer Board (RG595) Schematic Diagram

Circuit diagram for the transformer board, detailing power supply connections.

EXPLODED VIEWS

Case Section Exploded View

Exploded view illustrating the disassembly and assembly of the unit's case components.

Exploded Views - Panel and Controls

Panel Board Section Exploded View

Exploded view showing the front panel components and their assembly order.

Exploded Views - Top Lid and Controls

Lid (Top) Section Exploded View

Exploded view detailing the top lid, display, and rotary encoder assembly.

Exploded Views - Front Panel Components

Front Panel Section Exploded View

Exploded view illustrating the front panel assembly, including springs and levers.

Exploded Views - Main Chassis Components

Main Board Section Exploded View

Exploded view showing the main board and its connection points within the chassis.

Exploded Views - Power and Sub Woofer Sections

Power Board, Sub Woofer Board Section Exploded View

Exploded view of the power supply and subwoofer board assemblies.

Exploded Views - Chassis Components

Chassis Section Exploded View

Exploded view of the main chassis, transformer, and power cord assembly.

Exploded Views - CD Mechanism Deck

CD Mechanism Deck Section Exploded View

Exploded view detailing the CD mechanism deck components and their assembly.

Exploded Views - Optical Pick-up Section

Optical Pick-up Section Exploded View

Exploded view illustrating the optical pick-up block and its associated parts.

ELECTRICAL PARTS LIST - CD BOARD

CD Board Component Listing

Comprehensive list of electronic components for the CD board, including part numbers and specifications.

ELECTRICAL PARTS LIST - DECK, DRIVER, KEY LEFT

Deck, Driver, Key Left Component Listings

List of components for the deck, driver, and key left boards.

ELECTRICAL PARTS LIST - MAIN BOARD COMPONENTS

Main Board Component Listings

Continuation of component listings for transistors, resistors, and connectors on the main board.

ELECTRICAL PARTS LIST - KEYBOARDS AND OTHER COMPONENTS

Keyboards, Diodes, ICs, and Switches Parts List

Component lists for key boards, diodes, ICs, and switches.

ELECTRICAL PARTS LIST - KEYBOARDS AND CAPACITORS

Key Boards, Capacitors, and Resistors Parts List

Component lists for key boards, capacitors, and resistors.

ELECTRICAL PARTS LIST - MAIN BOARD CAPACITORS

Main Board Capacitors Parts List

Detailed list of capacitor part numbers and specifications used on the main board.

ELECTRICAL PARTS LIST - CONNECTORS, DIODES, ICs, JUMPERS

Connectors, Diodes, ICs, and Jumpers Parts List

Component lists for connectors, diodes, ICs, and jumper resistors.

ELECTRICAL PARTS LIST - MAIN BOARD RESISTORS

Main Board Resistors Parts List

Comprehensive list of resistors with part numbers, values, and ratings for the main board.

ELECTRICAL PARTS LIST - MAIN BOARD RESISTORS AND SWITCHES

Main Board Resistors and Switches Parts List

Continuation of resistor listings and components for switches on the main board.

ELECTRICAL PARTS LIST - MAIN BOARD RESISTORS AND VIBRATOR

Main Board Resistors and Vibrator Parts List

Component lists for resistors and the vibrator on the main board.

ELECTRICAL PARTS LIST - MIC/MOTOR/PANEL/CAPACITORS/TRANSFORMERS/DIODES/ICs

MIC/MOTOR/PANEL/CAPACITORS/DIODES/ICs Parts List

Component lists for MIC/AUX/HP, motor boards, panel, capacitors, diodes, and ICs.

ELECTRICAL PARTS LIST - TRANSISTORS, RESISTORS, SWITCHES, VIBRATORS

Transistors, Resistors, Switches, and Vibrators Parts List

Component lists for various transistors, resistors, switches, and the vibrator.

ELECTRICAL PARTS LIST - CAPACITORS, CONNECTORS, DIODES, ICs, COILS, TRANSISTORS

Capacitors, Connectors, Diodes, ICs, Coils, and Transistors Parts List

Component lists for capacitors, connectors, diodes, ICs, coils, and transistors.

ELECTRICAL PARTS LIST - TRANSISTORS, RESISTORS, FUSES

Transistors, Resistors, and Fuses Parts List

Component lists for transistors, resistors, and fuses used across various boards.

ELECTRICAL PARTS LIST - RESISTORS, CAPACITORS, FUSES, ICs, RELAYS, TRANSISTORS

Resistors, Capacitors, Fuses, ICs, Relays, and Transistors Parts List

Component lists for resistors, capacitors, fuses, ICs, relays, and transistors.

ELECTRICAL PARTS LIST - CONNECTORS, DIODES, FUSES, TRANSFORMERS, RELAYS, TRANSISTORS

Connectors, Diodes, Fuses, Transformers, Relays, and Transistors Parts List

Component lists for connectors, diodes, fuses, transformers, relays, and transistors.

MISCELLANEOUS ELECTRICAL PARTS

Miscellaneous Components and Accessories List

Listing of miscellaneous items like adaptors, fans, motors, and switches.

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