Table of Contents
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SERVICE MANUAL
Ver. 1.0 2008.08
• The tuner and CD sections have no adjustments.
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
Sony Corporation
9-889-234-01
2008H04-1
Audio&Video Business Group
©
2008.08
Published by Sony Techno Create Corporation
CDX-GT130/GT180/GT230/
GT280/GT280S/GT282S
(Photo: CDX-GT130)
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
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)
FM/AM COMPACT DISC PLAYER
FM/MW/SW COMPACT DISC PLAYER
US Model
CDX-GT130
Canadian Model
CDX-GT230
E Model
CDX-GT180/GT280/GT280S/GT282S
CDX-GT33W/GT330
MG-101L-188//C
DAX-25A
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
– Continued on next page –
CDX-GT130/GT230
CDX-GT180/GT280/GT280S/GT282S
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Table of Contents
Related Manuals for Sony CDX-GT282S
Summarization of Contents
Specifications Overview
CD Player Section Specifications
Technical specifications for the CD player functionality, including signal-to-noise ratio and frequency response.
Tuner Section Specifications
Technical specifications for FM and AM/MW/SW tuning, including tuning range and sensitivity.
Power Amplifier Section Specifications
Output specifications and impedance for the power amplifier, including maximum power output.
General Specifications
General specifications including audio outputs, inputs, tone controls, and power requirements.
Model Identification and Handling Notes
Model Identification Details
Information on identifying different model variations and their part numbers.
Optical Pick-up Handling Precautions
Precautions for handling the optical pick-up block and laser diode to prevent damage.
Chip Component Replacement Guidelines
Guidelines for replacing chip components, including warnings about static discharge and heat.
CD Playback Compatibility
Information on supported disc types like CD-DA, CD-R, and CD-RW (MP3/WMA).
Servicing and General Information
Servicing Notes
Important notes and precautions for servicing the unit, including safety warnings.
General Information
General information including location of controls and connection details.
Location of Controls
Identifies the location of various controls on the unit for user reference.
Connections
Details on how to connect external devices, power, and speakers.
Disassembly Procedures
Sub Panel Assy Disassembly
Procedure for removing the sub panel assembly.
CD Mechanism Block Disassembly
Procedure for removing the CD mechanism block.
Main Board Removal
Procedure for removing the main circuit board.
Servo Board Removal
Procedure for removing the servo circuit board.
Chassis (T) Sub Assy Removal
Procedure for removing the chassis (T) sub assembly.
Roller Arm Assy Removal
Procedure for removing the roller arm assembly.
Chassis (OP) Assy Removal
Procedure for removing the chassis (OP) assembly.
Chucking Arm Sub Assy Removal
Procedure for removing the chucking arm sub assembly.
Sled Motor Assy Removal
Procedure for removing the sled motor assembly.
Optical Pick-up Section Removal
Procedure for removing the optical pick-up section.
Optical Pick-up Removal
Procedure for removing the optical pick-up unit itself.
Technical Diagrams
Block Diagram - Main Section
Block diagram showing the main functional blocks and signal paths of the unit.
Block Diagram - Display Section
Block diagram illustrating the display control circuitry.
Printed Wiring Board - Main Section
Printed wiring board layout for the main section of the unit.
Schematic Diagram - Main Section (1/3)
Part 1 of the main section schematic diagram detailing circuit connections.
Schematic Diagram - Main Section (2/3)
Part 2 of the main section schematic diagram detailing circuit connections.
Schematic Diagram - Main Section (3/3)
Part 3 of the main section schematic diagram detailing circuit connections.
Printed Wiring Board - Key Section
Printed wiring board layout for the key section of the unit.
Schematic Diagram - Key Section
Schematic diagram for the key section circuitry.
Integrated Circuit (IC) Diagrams
IC750 Power Amplifier Block Diagram
Block diagram and pinout for the IC750 power amplifier.
IC1 Tuner Block Diagram
Block diagram for the IC1 tuner IC, illustrating its functions.
IC401 Volume/Tone Control Block Diagram
Block diagram for the IC401 volume and tone control IC.
IC501 System Control Pin Functions
Detailed pin functions for the main system control IC (IC501).
Exploded Views
Main Section Exploded View
Exploded view of the main internal components of the unit with part references.
Front Panel Section Exploded View
Exploded view of the front panel and its associated parts.
CD Mechanism Section Exploded View
Exploded view of the CD mechanism assembly with part references.
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