Sony HCD-RG440 Service Manual

1
Ver 1.0 2003. 07
Model Name Using Similar Mechanism NEW
CD CD Mechanism Type CDM74F-K6BD71A
Section Base Unit Name BU-K6BD71A
Optical Pick-up Name KSS-213DCP
Tape Deck Model Name Using Similar Machanism CX-JT8
Section Tape Transport Mechanism Type CWM43FF-13
SERVICE MANUAL
US Model
Canadian Model
HCD-GX45
AEP Model
UK Model
Australian Model
HCD-RG440
HCD-GX45/RG440
AUDIO POWER SPECIFICATIONS
(HCD-GX45 USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz; rated 120 watts per channel
minimum RMS power, with no more than 10 %
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
North American models:
HCD-GX45:
Front speaker
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 60 W)
Sub woofer
Continuous RMS power output (reference):
120 watts (6 ohms at
60 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
60 Hz, 60 W)
European and Russian models:
HCD-RG440:
Front speaker
DIN power output (rated): 80 + 80 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
200 + 200 watts (6 ohms at
1 kHz, 10% THD)
SPECIFICATIONS
Sub woofer
DIN power output (rated): 80 watts (6 ohms at
60 Hz, DIN)
Continuous RMS power output (reference):
100 watts (6 ohms at
60 Hz, 10% THD)
Music power output (reference):
200 watts (6 ohms at
60 Hz, 10% THD)
Other models:
HCD-RG440:
The following measured at AC 120, 220, 240 V,
50/60 Hz
DIN power output (rated): 80 + 80 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
Inputs
GAME INPUT AUDIO L/R (phono jacks):
voltage 250 mV,
impedance 47 kilohms
GAME INPUT VIDEO (phono jack):
1 Vp-p, 75 ohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-961-068-01
2003G04-1
© 2003. 07
– Continued on next page –
COMPACT DISC DECK RECEIVER
• HCD-GX45/RG440 is the
tuner, deck, CD and amplifier
section in MHC-GX45/RG440S.
(Photo: HCD-GX45)

Sony HCD-RG440 Specifications

General

CD Player	Yes
Radio Tuner	Yes
Bluetooth	No
USB Port	Yes
Dimensions	360 x 270 x 240 mm
Weight	3.8 kg
Tuner Bands	FM/AM
Speaker Type	2-Way
Functions	CD, Radio
Type	Mini Hi-Fi System

Summary

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

Power output and total harmonic distortion for HCD-GX45 USA model.

SYSTEM SPECIFICATIONS

CD, Tape, Tuner, Speaker, and General Specs

SAFETY AND HANDLING PRECAUTIONS

Operational Safety, Component Handling, and Checks

Cautions for operation, component handling, laser safety, and post-service checks.

SYSTEM OPERATION GUIDES

Button Locations and Remote Control Functions

DISASSEMBLY PROCEDURE OVERVIEW

Unit Disassembly Sequence and Main Sections

Flowchart and instructions for disassembling major unit components.

DISASSEMBLY - EXTERNAL COMPONENTS

Case and CD Door Removal Steps

Procedures for removing the top case and CD door of the unit.

DISASSEMBLY - CD MECHANISM BLOCK

CD Mechanism Block Removal Procedure

Instructions for detaching the CD mechanism block from the main board.

DISASSEMBLY - FRONT PANEL ASSEMBLY

Front Panel Section Removal Steps

Procedure for removing the front panel section, including connectors.

DISASSEMBLY - INTERNAL MECHANISMS

Tape Mechanism Deck and Panel Components Removal

DISASSEMBLY - MAIN AND AMPLIFIER BOARDS

Main, Power Amp, and Subwoofer Board Removal

DISASSEMBLY - CD MECHANISM SUB-ASSEMBLIES

SW, Driver, and CD Block Assembly Disassembly

DISASSEMBLY - OPTICAL PICK-UP

Optical Pick-up Removal Procedure

TEST MODES

System Initialization and Special Modes

Procedures for Cold Reset, Tuner Step Change, CD Ship Mode, and Tray Lock.

Amplifier Test Mode

Procedure for setting amplifier IC parameters and checking VACS levels.

OPERATIONAL CHECK MODES

Aging Mode Operation and Sequences

Procedures for aging mode checks of CD and tape deck sections.

SPECIALIZED TEST MODES

Diagnostic Test Modes

Procedures for GC Test, MC Test, Model/Version Display, and Error Code Display.

CD Service and Repeat Limit Cancel Modes

ELECTRICAL ADJUSTMENTS

CD Section RF and S-Curve Checks

Procedures for checking CD section S-curve and RF signal levels.

IC PIN DESCRIPTIONS

IC309 BU2099FV (Multi Controller) Pinout

Pinout details for the BU2099FV IC on the main board.

IC DESCRIPTIONS

IC310 BU2099FV (Bass Boost Controller) Pinout

Pinout details for the BU2099FV IC (Bass Boost) on the main board.

IC PIN DESCRIPTIONS - PANEL BOARD

IC601 LC876780B-51Y0-E (System Control) Pinout

Pinout details for IC601 controlling system and FLD functions.

IC PIN DESCRIPTIONS - PANEL BOARD CONTINUED

IC601 LC876780B-51Y0-E (Continued) Pinout

Further pinout details for IC601, covering tuner, CD, tape, and stream functions.

BLOCK DIAGRAMS - CD SECTION

CD Section Signal Path Diagram

Illustrates signal flow and component interconnections within the CD section.

BLOCK DIAGRAMS - TUNER/TAPE/PANEL SECTION

Tuner, Tape, and Panel Sections Signal Flow

Shows signal paths and interactions between tuner, tape, and panel control circuits.

BLOCK DIAGRAMS - AMP/POWER SUPPLY SECTION

Amplifier and Power Supply Circuits Block Diagram

Illustrates signal flow and power distribution within amplifier and power supply.

BLOCK DIAGRAMS - SUBWOOFER SECTION

Subwoofer Amplifier Circuit Block Diagram

Shows signal path and component layout for the subwoofer amplifier section.

PRINTED WIRING BOARDS - CD MECHANISM SECTION (1/2)

BD Board Layout (Sides A & B)

SCHEMATIC DIAGRAM - CD MECHANISM SECTION (1/2)

BD Board Schematic Diagram

Detailed schematic of the BD board, illustrating circuit connections for CD playback.

PRINTED WIRING BOARDS - CD MECHANISM SECTION (2/2)

Motor, Sensor, SW, and Driver Board Layouts

SCHEMATIC DIAGRAM - CD MECHANISM SECTION (2/2)

Driver, Motor, and Sensor Boards Schematics

SCHEMATIC DIAGRAM - MAIN SECTION (1/4)

Main Board (1/4) Schematic Diagram

Schematic of the first part of the main board, covering tuner and input sections.

SCHEMATIC DIAGRAM - MAIN SECTION (2/4)

Main Board (2/4) Schematic Diagram

Schematic of the second part of the main board, covering tape and amplifier control.

SCHEMATIC DIAGRAM - MAIN SECTION (3/4)

Main Board (3/4) Schematic Diagram

Schematic of the third part of the main board, showing power supply and output controls.

SCHEMATIC DIAGRAM - MAIN SECTION (4/4)

Main Board (4/4) Schematic Diagram

Schematic of the final part of the main board, detailing ICs and power management.

PRINTED WIRING BOARDS - MAIN SECTION

Main Board Component Layouts

SCHEMATIC DIAGRAM - PANEL SECTION

Panel Board Schematic Diagram

Schematic diagram detailing the circuitry of the panel board.

PRINTED WIRING BOARD - SUBWOOFER SECTION

Subwoofer Board Component Layout

SCHEMATIC DIAGRAM - SUBWOOFER SECTION

Subwoofer Board Schematic Diagram

SCHEMATIC DIAGRAM - POWER AMP SECTION (1/2)

Power Amp Board (1/2) Schematic

Schematic diagram of the first half of the power amp board, showing driver stages.

SCHEMATIC DIAGRAM - POWER AMP SECTION (2/2)

Power Amp Board (2/2) Schematic

Schematic diagram of the second half of the power amp board, showing output stages.

PRINTED WIRING BOARD - POWER AMP SECTION

Power Amp Board Component Layout

SCHEMATIC DIAGRAM - TRANSFORMER SECTION

Trans Board Schematic Diagram

IC BLOCK DIAGRAMS

IC721 LC78646E-E (BD Board) Block Diagram

BA6956AN (Driver Board) and M61529FP (Main Board) Block Diagrams

HA12237F (Main Board) Block Diagram

EXPLODED VIEWS - MAIN SECTION

6-1. Main Section Exploded View

EXPLODED VIEWS - FRONT PANEL SECTION (1)

6-2. Front Panel Section (1) Exploded View

EXPLODED VIEWS - MAIN BOARD SECTION

6-5. Main Board Section Exploded View

EXPLODED VIEWS - CD MECHANISM DECK SECTION (1)

6-6. CD Mechanism Deck Section (1) Exploded View

EXPLODED VIEWS - CD MECHANISM DECK SECTION (2)

6-7. CD Mechanism Deck Section (2) Exploded View

EXPLODED VIEWS - BASE UNIT SECTION

6-8. Base Unit Section Exploded View

ELECTRICAL PARTS LIST - POWER AMP BOARD

ELECTRICAL PARTS LIST - POWER AMP BOARD CONTINUED

Power Amp Board Transistors (Parts 1 & 2)

ELECTRICAL PARTS LIST - SUBWOOFER BOARD

Subwoofer Board Transistors and Resistors