Sony CDX-GT500US Service Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
SPECIFICATIONS
9-889-940-03
2012G33-1
©
2012.07
AEP Model
UK Model
CDX-GT450U
E Model
CDX-GT500U/GT500US
Russian Model
CDX-GT450U/GT457UE
Indian Model
CDX-GT50UMS/GT505U
Ver. 1.2 2012.07
• The tuner and CD sections have no adjustments.
Photo: CDX-GT450U: AEP, UK model
Tuner section
FM
Tuning range:
AEP, UK, RU, EA model:
87.5 – 108.0 MHz
E, AR, MX, IND model:
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)
FM tuning step:
E, AR, MX, IND model:
50 kHz/100 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 (E, AR, EA, MX, IND model)
Tuning range:
E, AR, MX, IND model:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
EA model: 531 – 1,602 kHz
AM tuning step:
E, AR, MX, IND model:
9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 V
MW/LW (AEP, UK, RU model)
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 V, LW: 45 V
CD player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and fl utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 500 mA
Power amplifi er section
Outputs: Speaker outputs
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W  4 (at 4 ohms)
CDX-GT50UMS/GT450U/GT457UE/
GT500U/GT500US/GT505U
E, Argentina, Saudi Arabia, Mexican, Indian model
FM/AM COMPACT DISC PLAYER
AEP, UK, Russian model
FM/MW/LW COMPACT DISC PLAYER
– Continued on next page –
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-101N-188
Optical Pick-up Name DAX-25A

Sony CDX-GT500US Specifications

General

MP3 playback	Yes
CD-RW playback	-
Audio formats supported	AAC, MP3, WAV
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Preset stations quantity	30
Impedance	220 Ω
Output power	52 W
Product color	Black, Silver
Ready for iPod	No
Volume control	Rotary
Disc types supported	CD
Audio output channels	4.0 channels
Signal-to-Noise Ratio (SNR)	120 dB
Display type	LCD
USB version	2.0
USB ports quantity	1
Output voltage	2 V
Key illumination color	Red

Weight and Dimensions

Weight	1200 g
Dimensions (WxDxH)	178 x 179 x 50 mm

Summary

Product Specifications

Tuner Specifications

Details FM, AM, MW/LW tuning ranges, steps, sensitivity, and frequency response.

CD Player Specifications

Details signal-to-noise ratio and frequency response for the CD player.

USB and Power Amplifier Specs

Details USB interface, maximum current, speaker outputs, impedance, and max power output.

Service Note

Service Position and Cable Connection

Instructions for connecting extension cables for servicing and service position.

Component Replacement Guidance

Notes on replacing USB connector, servo board, and 20-pin connector.

General Information and Notes

Unit Configuration Details

Covers unit outputs, inputs, power requirements, dimensions, mass, and supplied accessories.

Safety and Handling Precautions

Provides guidelines for handling optical pick-up, laser diode, chip components, and general safety.

Test Discs

Lists recommended test discs for checking the CD section.

Disassembly Procedures

Disassembly Flow and Major Assemblies

Shows the order of disassembly and identifies major assemblies like the CD mechanism.

Diagrams

Block Diagrams

Illustrates system architecture for main and display sections.

Exploded Views

Main Section Exploded View

Exploded view of the main section with part numbers for identification.

Front Panel Section Exploded View

Exploded view of the front panel section with part numbers for identification.

Electrical Parts List

Main Board Parts List

Comprehensive list of electrical parts for the main board, including capacitors, resistors, and ICs.

Other Components and Accessories

Lists connectors, jacks, switches, surge absorbers, vibrators, and accessories.