Sony CDX-GT282S User Manual

SERVICE MANUAL
Sony Corporation
Audio&Video Business Group
Published by Sony Techno Create Corporation
CDX-GT130/GT180/GT230/
GT280/GT280S/GT282S
CDX-GT130/GT230
FM/AM COMPACT DISC PLAYER
CDX-GT180/GT280/GT280S/GT282S
FM/MW/SW COMPACT DISC PLAYER
9-889-234-01
2008H04-1
©
2008.08
US Model
CDX-GT130
Canadian Model
CDX-GT230
E Model
CDX-GT180/GT280/GT280S/GT282S
Ver. 1.0 2008.08
SPECIFICATIONS
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
Tuner section
FM
Tuning range:
CDX-GT130/GT230: 87.5 – 107.9 MHz
CDX-GT180/GT280/GT280S/GT282S:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning interval:
CDX-GT180/GT280/GT280S/GT282S:
50 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM (CDX-GT130/GT230)
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
MW (CDX-GT180/GT280/GT280S/GT282S)
Tuning range:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
MW tuning interval: 9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Selectivity: 26 μV
SW (CDX-GT180/GT280/GT280S/GT282S)
Tuning range:
SW1: 2,940 – 7,735 kHz
SW2: 9,500 – 18,135 kHz
(except for 10,140 – 11,575 kHz)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Selectivity: 30 μV
Power amplifi er section
Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W × 4 (at 4 ohms)
Model Name Using Similar Mechanism CDX-GT33W/GT330
CD Drive Mechanism Type MG-101L-188//C
Optical Pick-up Name DAX-25A
• The tuner and CD sections have no adjustments.
General
Outputs:
Audio outputs terminal (sub/rear switchable)
Power antenna (aerial) relay control terminal
Power amplifi er control terminal
Inputs:
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements: 12 V DC car battery
(negative ground (earth))
Power supply voltage: 11 – 16 V
(Photo: CDX-GT130)
– Continued on next page –

Sony CDX-GT282S Specifications

General

Brand	Sony
Model	CDX-GT282S
Category	Car Receiver
Language	English

Summary

Specifications

CD Player Section Details

Details on signal-to-noise ratio, frequency response, and wow/flutter.

Tuner FM Specifications

FM tuning range, interval, sensitivity, selectivity, and frequency response.

Tuner AM/MW/SW Specifications

AM/MW/SW tuning range, interval, sensitivity, selectivity, and frequency response.

Power Amplifier Specifications

Details on speaker outputs, impedance, and maximum power output.

General System Specifications

Includes audio outputs, inputs, tone controls, and power requirements.

Handling and Safety Precautions

Optical Pick-up Handling Guidelines

Guidelines for safe handling of the optical pick-up block and base unit.

Laser Diode Emission Check Procedure

Instructions and safety precautions for checking laser diode emission.

Chip Component Replacement Notes

Important notes and cautions for replacing chip components.

Test Discs and CD Playback Compatibility

Recommended test discs and information on CD playback compatibility.

Safety Related Component Warning

Critical warning regarding components identified with a mark for safety.

Unleaded Solder Information

Lead Free Mark Characteristics

Describes the characteristics of unleaded solder and its properties.

Servicing Notes

Extension Cable and Service Position

Instructions for connecting the jig (extension cable) for servicing.

Aux Jack Replacement Notes

Procedure and alignment notes for replacing the AUX jack.

Servo Board Replacement Note

Guidance on replacing the complete Servo Board.

15-Pin Connector Handling Precautions

Precautions for cleaning and handling the 15-pin connector.

General Information and Controls

Location of Controls - CDX-GT130/GT230

Overview of controls and basic operations for specific models.

Location of Controls - CDX-GT180/GT280/GT280S/GT282S

Overview of controls and basic operations for specific models.

Disassembly Procedures

3-1. Sub Panel Assy Disassembly

Procedure for disassembling the sub panel assembly.

3-2. CD Mechanism Block Disassembly

Procedure for disassembling the CD mechanism block.

3-3. Main Board Removal

Procedure for accessing and removing the main board.

3-4. Servo Board Removal

Procedure for accessing and removing the servo board.

3-5. Chassis (T) Sub Assy Disassembly

Procedure for disassembling the chassis (T) sub assembly.

3-6. Roller Arm Assy Disassembly

Procedure for disassembling the roller arm assembly.

3-7. Chassis (OP) Assy Disassembly

Procedure for disassembling the chassis (OP) assembly.

3-8. Chucking Arm Sub Assy Disassembly

Procedure for disassembling the chucking arm sub assembly.

3-9. Sled Motor Assy Disassembly

Procedure for disassembling the sled motor assembly.

3-10. Optical Pick-up Section Disassembly

Procedure for disassembling the optical pick-up section.

3-11. Optical Pick-up Disassembly

Procedure for disassembling the optical pick-up.

Diagrams and Schematics

4-1. Block Diagram - Main Section

Block diagram of the main unit's functional sections.

4-2. Block Diagram - Display Section

Block diagram of the unit's display section.

4-3. Printed Wiring Board - Main Section

Layout of the main section's printed wiring board.

4-4. Schematic Diagram - Main Section (1/3)

Detailed schematic diagram for the main section, part 1.

4-5. Schematic Diagram - Main Section (2/3)

Detailed schematic diagram for the main section, part 2.

4-6. Schematic Diagram - Main Section (3/3)

Detailed schematic diagram for the main section, part 3.

4-7. Printed Wiring Board - Key Section

Layout of the key section's printed wiring board.

4-8. Schematic Diagram - Key Section

Detailed schematic diagram for the key section.

Exploded Views

5-1. Main Section Exploded View

Visual breakdown of the main section's components.

5-2. Front Panel Section Exploded View

Visual breakdown of the front panel section's components.

5-3. CD Mechanism Section Exploded View

Visual breakdown of the CD mechanism section's components.

Electrical Parts List