Sony HCD-GB3 User Manual

SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
E Model
COMPACT DISC DECK RECEIVER
9-887-236-01
2006E1678-1
© 2006.05
Ver. 1.0 2006.05
SPECIFICATIONS
HCD-GB3
HCD-GB3 is the Amplifier, CD player, Tape
Deck and Tuner section in CMT-GB3.
Model Name Using Similar Mechanism HCD-EC50
CD
Base Unit Name BU-K6BD83S2-WOD
Section
Optical Pick-up Name KSM-213DCP
TAPE Model Name Using Similar Mechanism HCD-EC50
Section Tape Transport Mechanism Type —
Amplifier section
The following measured at AC 127 V, 60 Hz (Mexican model), AC 220 V,
60 Hz (Argentine model), AC 120, 220 or 240 V, 60 Hz (Other models)
DIN power output (rated): 40 + 40 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 50 + 50 W (6 ohms at 1 kHz,
10% THD)
Inputs
AUDIO IN (stereo mini jack): Sensitivity 700 mV, impedance 47 kilohms
Outputs
PHONES (stereo mini jack): Accepts headphones with an impedance of 8
ohms or more
SPEAKER: Accepts impedance of 6 ohms
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission duration: continuous
Laser Output*: Less than 44.6µW
* This output is the value measurement at a distance of 200mm from the
objective lens surface on the Optical Pick-up Block with 7mm aperture.
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 90 dB
Tape deck section
Recording system: 4-track 2-channel, stereo
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section:
Tuning range: 87.5 – 108.0 MHz (50 kHz step)
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range: 530 – 1,710 kHz (with 10 kHz tuning interval)
531 – 1,710 kHz (with 9 kHz tuning interval)
Intermediate frequency: 450 kHz
General
Power requirements
Mexican model: AC 127 V, 60 Hz
Argentine model: AC 220 V, 50/60 Hz
Other models: AC 120, 220 or 230 – 240 V, 50/60 Hz
Adjustable with voltage selector
Power consumption: 80 W
Dimensions (w/h/d) (excl. speakers): Approx. 200 × 281.5 × 390.5 mm
Mass (excl. speakers): Approx. 5.1 kg
Design and specifications are subject to change without notice.
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony HCD-GB3 Specifications

General

Brand	Sony
Model	HCD-GB3
Category	Car Receiver
Language	English

Summary

SPECIFICATIONS

Amplifier Section Details

Details of audio output, inputs, and outputs for amplifier.

Tuner Section Specifications

FM/AM tuning specifications and frequencies.

CD Player Section Details

CD system properties, laser output, and frequency response.

Tape Deck Section Details

Recording system details for the tape deck.

General Unit Specifications

Power requirements, dimensions, and mass of the unit.

SERVICING NOTES

Chip Component Replacement Precautions

Precautions for replacing chip components.

Flexible Circuit Board Repairing

Guidelines for repairing flexible circuit boards.

Unleaded Solder Handling

Characteristics and handling of unleaded solder.

GENERAL OPERATION

Basic Operations

How to perform basic functions like adjusting volume and using the CD player.

Selecting a Music Source

How to choose between different audio sources like CD, Tape, Tuner.

Other Operations

Creating CD programs, presetting radio stations, recording tapes, using timers.

DISASSEMBLY PROCEDURES

Disassembly Flow Chart

Visual flow chart of the disassembly process.

Panel and Cover Removal

Procedures for removing side, top, and front panels.

Mechanical Deck and Belt Replacement

Procedures for removing the mechanical deck and replacing belts.

Board and Component Removal

Procedures for removing Jack, Main, Amplifier, Power boards, and Optical Pick-Up.

TEST MODES

MC Cold Reset Procedure

Resets system data to initial conditions.

Panel Test Mode Activation

Activates all LEDs and LCD segments for panel testing.

CD Slot Lock/Unlock and Power Management

Locks CD slot, controls CD power supply on/off.

ADJUSTMENTS AND CALIBRATION

Mechanical Adjustment Precautions

Precautions before performing mechanical adjustments.

Head Azimuth and Focus Bias Adjustment

Procedures for adjusting head azimuth and focus bias.

Tuner Section Calibration

Procedures for adjusting AM/FM frequency coverage and tracking.

DIAGRAMS AND SCHEMATICS

Diagram Notes and Abbreviations

Explains symbols, notations, and abbreviations used in diagrams.

Key Block Diagrams

Block diagrams for BD/Driver, Tuner, and Main sections.

Key Schematic Diagrams

Schematic diagrams for BD83S, Main, and AMP boards.

IC Pin Function Descriptions

Detailed pin descriptions for key ICs.

EXPLODED VIEWS

Exploded Views Notes

Notes regarding standardized parts and stocked items.

Overall and Chassis Exploded Views

Exploded views of the overall unit and chassis assembly.

Front Panel and CD Mechanism Exploded Views

Exploded views of front panel and CD mechanism deck.

ELECTRICAL PARTS LIST

Capacitors and Diodes

List of capacitors and diodes used in the system.

Resistors List

Comprehensive list of resistors used in the system.

Semiconductors (ICs, Transistors)

List of integrated circuits and transistors.

Connectors, Coils, Switches, and Others

List of connectors, coils, switches, and other components.