Sony CDX-GT460U User Manual

SERVICE MANUAL
Sony Corporation
eVehicle Division
Published by Sony Techno Create Corporation
US Model
Canadian Model
CDX-GT41UW/GT410U
E Model
CDX-GT460U/GT460US
Chinese Model
CDX-GT460U
9-887-470-03
2007C04-1
© 2007.03
Ver. 1.2 2007.03
SPECIFICATIONS
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 GT41UW/GT410U:
87.5 – 107.9 MHz
GT460U/GT460US:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning interval GT460U/GT460US:
50 kHz/200 kHz switchable
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
AM
Tuning range GT41UW/GT410U:
530 – 1,710 kHz
GT460U/GT460US:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning interval GT460U/GT460US:
9 kHz/10 kHz switchable
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
USB player section
Interface USB (Full-speed)
Maximum current 500 mA
Power amplifier section
Outputs Speaker outputs (sure seal connectors)
Speaker impedance 4 – 8 ohms
Maximum power output
52 W × 4 (at 4 ohms)
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-101U-188//Q
Optical Pick-up Name DAX-25A
– Continued on next page –
CDX-GT41UW/GT410U/
GT460U/GT460US
FM/AM COMPACT DISC PLAYER
(Photo: CDX-GT460U)
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.

Sony CDX-GT460U Specifications

General

Brand	Sony
Model	CDX-GT460U
Category	Car Receiver
Language	English

Summary

Product Specifications

Audio Power Specifications

Details power output and total harmonic distortion for US model.

Technical Specifications Summary

Covers CD, Tuner, AM/FM, USB, and Power Amplifier performance metrics.

Service Precautions and Handling

Component Handling Guidelines

Notes on chip components, optical pick-up, and laser diode safety.

Safety Warnings

Critical safety components and laser emission precautions.

Component Replacement and Wiring

Component Replacement Notes

Procedures for replacing servo board, USB, and 24-pin connectors.

Control Locations and Connections

Identifies controls and provides wiring examples.

Disassembly Guide

Panel and Mechanism Disassembly

Steps for removing the sub panel and CD mechanism.

Board and Chassis Disassembly

Steps for removing main board, servo board, and chassis.

Diagnosis and Error Information

Operating the Diagnosis Function

How to set, cancel, and navigate diagnostic modes.

Interpreting Error Displays

Meaning of CD, OFFSET/FAILURE, and USB error codes.

Diagrams, Schematics, and Parts

Block Diagrams

Main and Display section block diagrams.

Printed Wiring Boards

Layouts for the main and key boards.

Schematic Diagrams

Detailed main section circuit schematics.

IC Block Diagrams and Pin Descriptions

IC block diagrams and pin descriptions.

Exploded Views

Visual breakdown of major assemblies.

Electrical Parts List

Comprehensive list of electronic components.

Supplemental Disassembly Notes

Optical Pick-up Removal Notes

Specific instructions for optical pick-up removal.

Revision History