Sony CDX-GT52UM - User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
Tuner section
(US and Canadian models)
(AEP and UK models)
(US and Canadian models only)
(US and Canadian models only)
FM
Tuning range: 87.5 – 107.9 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,115 kHz or 9,125 kHz/5 kHz
Sensitivity: 26 μV
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 1 A
Power amplier section
Output: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W × 4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (rear/sub switchable)
Power antenna (aerial)/Power amplier control
terminal (REM OUT)
Inputs:
Remote controller input terminal
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
USB
port
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178 × 50 × 177 mm
(7
1
/8 × 2 × 7 in) (w/h/d)
Mounting dimensions: Approx. 182 × 53 × 160 mm
(7
1
/4 × 2
1
/8 × 6
5
/16 in) (w/h/d)
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Remote commander: RM-X211
(CDX-52UM/GT470UM: US, Canadian/
GT472UE/GT520U/GT525U only)
Parts for installation and connections (1 set)
Design and specications are subject to change
without notice.
FOR UNITED STATES CUSTOMERS. NOT
APPLICABLE IN CANADA, INCLUDING
IN THE PROVINCE OF QUEBEC.
POUR LES CONSOMMATEURS AUX
ÉTATS-UNIS. NON APPLICABLE AU
CANADA, Y COMPRIS LA PROVINCE DE
QUÉBEC.
CEA2006 Standard
Power Output: 17 Watts RMS 4 at
4 Ohms < 1% THD+N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
AUDIO POWER SPECIFICATIONS
Tuner section
FM
Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW/LW
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensiti
vity: MW: 26 μV, LW: 45 μV
(Russian model)
Tuner section
FM
Tuning range:
FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz step)
FM3: 65 – 74 MHz (at 30 kHz step)
Tuning range: 87.5 – 108.0 MHz
CDX-GT472UE/CDX-GT470UE
CDX-GT470UM
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW/LW
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermed
iate frequency:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Tuner section
(E, Mexican, Argentina, Korean
and Indian models)
FM
Tuning range:
For non-Argentine models:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 108.0 MHz (at 100 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
For Argentine models:
87.5 – 107.9 MHz
FM tuning step (for non-Argentine models):
50 kHz/100 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal
-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range:
For non-Argentine models:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
For Argentine models:
530 – 1,710 kHz
AM tuning step (for non-Argentine models):
9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
For non-Argentine models:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
(at 9 kHz step)
9,115 kHz or 9,125 kHz/5 kHz
(at 10 kHz step)
For Argent
ine models:
9,115 kHz or 9,125 kHz/5 kHz
Sensitivity: 26 μV
Tuner section
(Saudi Arabia model)
FM
Tuning range:
87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW
Tuning range:
531 – 1,602 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124
.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: 26 μV
SW
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:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: 26 μV
CDX-GT52UM/GT470UE/GT470UM/GT472UE/
GT472UM/GT474UM/GT520U/GT525U
SPECIFICATIONS
9-893-531-01
2012G33-1
©
2012.07
US Model
Canadian Model
CDX-GT470UM
AEP Model
UK Model
CDX-GT470UM/GT472UM/GT474UM
E Model
CDX-GT520U
Russian Model
CDX-GT470UE/GT470UM/GT472UE
Indian Model
CDX-GT52UM/GT525U
Ver. 1.0 2012.07
Model Name Using Similar Mechanism CDX-GT40U/GT44U/GT45U
Mechanism Type MG-101CA-188
Optical Pick-up Name DAX-25A
• The tuner and CD sections have no adjustments.
Photo: CDX-GT470UM
US, Canadian, E, Mexican, Argentina, Korean and Indian models
FM/AM COMPACT DISC PLAYER
AEP, Russian and UK models
FM/MW/LW COMPACT DISC PLAYER
Saudi Arabia model
FM/MW/SW COMPACT DISC PLAYER

Sony CDX-GT52UM Specifications

General

Brand	Sony
Model	CDX-GT52UM
Category	CD Player
Language	English

Summary

SERVICE MANUAL

Model Specifications

Comprehensive technical details for various models, including tuner, audio, CD, USB, and power.

SECTION 1 SERVICING NOTES

Optical Pick-up Handling and Safety

Important precautions for handling the optical pick-up block and checking the laser diode emission.

Unleaded Solder Information

Information regarding the use and characteristics of unleaded solder and lead-free marks.

Destination Setting Procedure

Setting and Confirming Destination Code

Procedure for setting the destination code for the unit after replacing the main board or system controller.

Remote Commander Battery and Connector Care

Remote Battery Replacement

Instructions for replacing the lithium battery in the remote commander for optimal performance.

Connector Cleaning Procedure

Procedure for cleaning connectors between the unit and the front panel to ensure proper function.

Service Extension Cable and Position

SECTION 2 GENERAL

General Cautions and Precautions

Important safety precautions and notes regarding power supply, speaker connections, and car circuits.

Installation and Mounting Procedures

Mounting Angle, Panel Removal, and Japanese Car Installation

Guidance on adjusting mounting angle, detaching front panel, and installation specifics for Japanese cars.

Fuse Replacement and ACC Position Warning

Instructions for fuse replacement and warnings related to the car's ACC position absence.

Connection Diagrams and Examples

SECTION 3 DISASSEMBLY

Disassembly Overview and Initial Steps

Overview of disassembly order and initial steps for removing fuse and cover.

Panel and Mechanism Disassembly

Procedures for removing the sub panel block and the CD mechanism deck.

Board Disassembly

Steps for removing main and servo boards, noting specific procedures like desoldering.

Chassis and Arm Assembly Disassembly

Procedures for removing chassis (T) sub assembly and roller arm assembly components.

Arm and Motor Assembly Disassembly

Steps for removing chassis (OP) and chucking arm sub assemblies, with handling notes.

Motor and Pick-up Assembly Disassembly

Instructions for removing sled motor, optical pick-up section, and its components.

SECTION 4 DIAGRAMS

Block Diagrams

Diagrams illustrating functional blocks and interconnections within the unit's circuitry.

Waveforms and Diagram Notes

Visual representations of waveforms for key ICs and notes common to diagrams.

MAIN Board Schematic Diagrams

Detailed circuit schematics for the main board, broken down into multiple parts.

MAIN Board Printed Wiring Boards

Component layout diagrams for the main board, showing placement and traces.

Key Board Diagrams

Diagrams for the Key Board, including component layout and schematic circuit.

IC Block Diagrams

Block diagrams illustrating the internal circuitry of key integrated circuits (ICs) used in the device.

IC Pin Function Descriptions

Detailed pin function descriptions for major integrated circuits (ICs) on the main and sub boards.

SECTION 5 EXPLODED VIEWS

Main Section Exploded View

Exploded view of the main section of the unit, showing all major components and their assembly order.

Front Panel Exploded View

Exploded view of the front panel section, detailing buttons, knobs, connectors, and display assembly.

CD Mechanism Deck Exploded View

Exploded view of the CD mechanism deck, listing parts like servo board, sensor board, and optical pick-up.

SECTION 6 ELECTRICAL PARTS LIST

Key Board Parts List

List of electrical parts specifically for the Key Board, including LEDs, switches, and resistors.

Main Board Parts List

List of electrical components for the Main Board, including resistors, capacitors, transistors, and ICs.

Miscellaneous and Accessories

List of miscellaneous parts, accessories, and manuals included with the unit.

REVISION HISTORY