Table of Contents
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SERVICE MANUAL
Ver. 1.0 2005.10
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23.2 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 5% total harmonic distortion.
CD player section
Signal-to-noise ratio
120 dB
Frequency response
10 – 20,000 Hz
Wow and flutter
Below measurable limit
Tuner section
FM
Tuning range
87.5 – 107.9 MHz (US, CND model)
87.5 – 108 MHz (at 50 kHz step) (E model)
87.5 – 107.9 MHz (at 200 kHz step) (E model)
FM tuning interval
50 kHz/200 kHz switchable (E model)
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity
9 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo), 0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Sony Corporation
9-879-890-01
e Vehicle Group
2005J04-1
Published by Sony Engineering Corporation
© 2005.10
CDX-GT40W/GT400/
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
AM
Tuning range
AM tuning interval
Antenna terminal
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
Power amplifier section
Outputs
Speaker impedance
Maximum power output
General
Outputs
Inputs
FM/AM COMPACT DISC PLAYER
GT450/GT450S
US Model
CDX-GT40W/GT400
Canadian Model
E Model
CDX-GT450/GT450S
CDX-GT30W/GT300/
GT350/GT350S
MG-611WA-186//Q
KSS1000E
530 – 1,710 kHz (US, CND model)
531 – 1,602 kHz (at 9 kHz step) (E model)
530 – 1,710 kHz (at 10 kHz step) (E model)
9 kHz/10 kHz switchable (E model)
External antenna connector
30 µV
Speaker outputs (sure seal connectors)
4 – 8 ohms
52 W × 4 (at 4 ohms)
Audio outputs terminal (front/rear)
Subwooofer output terminal (mono)
Power antenna relay control terminal
Power amplifier control terminal
Telephone ATT control terminal
Illumination control terminal
BUS control input terminal
BUS audio input terminal
Remote controller input terminal
Antenna input terminal
AUX input jack (stereo mini jack)
– Continued on next page –
CDX-GT400
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Table of Contents
Related Manuals for Sony CDX-GT450S
Summarization of Contents
General Information
Controls and Basic Operations
Details on the location and function of unit controls and remote commander buttons.
Connection Diagrams
Illustrates wiring and connection examples for various audio and power leads.
Disassembly Procedures
Disassembly Sequence Overview
Provides a step-by-step numerical guide for disassembling the unit.
Sub Panel Assy Disassembly
Instructions for removing the sub panel assembly, including screw and claw locations.
CD Mechanism Block Removal
Steps to detach the CD mechanism block from the chassis, noting screws and brackets.
Main Board Removal
Procedure for removing the main board, identifying screws and insulating sheets.
Chassis (T) Sub Assy Removal
Details on removing the chassis (T) sub assembly, showing screws and claws.
Roller Arm Assy Removal
Explains the disassembly of the roller arm assembly, including springs and gears.
Chassis (OP) Assy Removal
Instructions for removing the chassis (OP) assembly, showing springs, levers, and sliders.
Optical Pick-up Removal
Guide for removing the optical pick-up assembly, noting shafts and screws.
SL Motor Assy (M902) Removal
Procedure for removing the SL motor assembly, showing screw locations.
LE Motor Assy (M903) Removal
Steps to remove the LE motor assembly, detailing screws, gears, and bearings.
Servo Board Removal
Instructions for removing the servo board, identifying solders, screws, and claws.
Diagrams and Schematics
CD Section Block Diagram
Illustrates the functional blocks and signal flow within the CD playback section.
Main Section Block Diagram
Shows the main functional blocks and signal paths for the unit's core operations.
Key Section Block Diagram
Details the block diagram for the key input and control section of the unit.
Circuit Board Locations
Identifies the physical locations of the main, servo, sensor, sub, and jack boards.
CD Mechanism Printed Wiring Boards
Shows the layout of components and traces on the CD mechanism section's PWB.
CD Mechanism Schematic Diagram (1/2)
Provides the first half of the schematic diagram for the CD mechanism section.
CD Mechanism Schematic Diagram (2/2)
Provides the second half of the schematic diagram for the CD mechanism section.
Main Section Printed Wiring Board
Illustrates the component layout and traces on the main section's PWB.
Main Section Schematic Diagram (1/2)
Presents the first part of the schematic diagram for the main unit's circuitry.
Main Section Schematic Diagram (2/2)
Presents the second part of the schematic diagram for the main unit's circuitry.
Sub Section Printed Wiring Board
Shows the component layout and traces for the sub section's printed wiring boards.
Sub Section Schematic Diagram
Provides the schematic diagram for the sub section, detailing connections and components.
Key Section Printed Wiring Board
Illustrates the component layout and traces for the key section's printed wiring boards.
Key Section Schematic Diagram
Presents the schematic diagram for the key section, showing button inputs and controls.
IC Block Diagrams
Visual representation of the internal circuitry and pin functions for key integrated circuits.
IC Pin Descriptions
Detailed listing of pin functions and descriptions for major integrated circuits used in the unit.
Exploded Views
Main Section Exploded View
Diagram showing the assembly of the main unit's mechanical components with part numbers.
Front Panel Section Exploded View
Exploded view of the front panel assembly, detailing parts like LCD, buttons, and knobs.
CD Mechanism Section (1) Exploded View
Exploded view of the CD mechanism, showing chassis, springs, and levers.
CD Mechanism Section (2) Exploded View
Further exploded view of the CD mechanism, detailing optical pick-up and motor assemblies.
CD Mechanism Section (3) Exploded View
Detailed exploded view of the CD mechanism, focusing on roller arm and motor components.
CD Mechanism Section (4) Exploded View
Final exploded view of the CD mechanism, showing gears, levers, and chassis parts.
Electrical Parts List
Jack, Key, and Capacitor Parts List
List of electrical components for the jack, key boards, and capacitors.
Diode, IC, and Transistor Parts List
List of diodes, integrated circuits, and transistors used in the unit's circuitry.
Resistor and Switch Parts List
Component list for resistors and switches, including their part numbers and specifications.
Main Board Electrical Parts List
Comprehensive list of electrical components found on the main board.
Servo Board Electrical Parts List
Detailed list of components specific to the servo board assembly.
Accessories and Installation Parts
List of included accessories, manuals, and parts required for installation.
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