Sony Semiconductor Electronic Components Datasheet

CDX-GT484US Datasheet

FM/AM COMPACT DISC PLAYER SERVICE MANUAL

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CDX-GT48UM/GT480U/http://www.xiaoyu163.com

QQSE3RV7IC6E3M1AN5U1AL50

8G9T24840U9S/8GT24894U9S

E Model

CDX-GT480U/GT480US

Ver. 1.0 2008.11

Indian Model

CDX-GT48UM/GT484US

Photo: CDX-GT480US

• The tuner and CD sections have no adjustments.

Model Name Using Similar Mechanism

CD Drive Mechanism Type

Optical Pick-up Name

NEW

MG-101Y-188//C

DAX-25A

TEL 13942296513CD player section

Signal-to-noise ratio: 120 dB

Frequency response: 10 – 20,000 Hz

Wow and ﬂutter: Below measurable limit

Tuner section

Tuning range:

87.5 – 108.0 MHz (at 50 kHz step)

87.5 – 107.9 MHz (at 200 kHz step)

FM tuning interval: 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

Tuning range:

531 – 1,602 kHz (at 9 kHz step)

530 – 1,710 kHz (at 10 kHz step)

AM tuning interval: 9 kHz/10 kHz switchable

Antenna (aerial) terminal:

External antenna (aerial) connector

Intermediate frequency: 25 kHz

Sensitivity: 26 μV

SPECIFICATIONS

QQ 376315150 892498299USB Player section

Tone controls:

Interface: USB (Full-speed)

Low: ±10 dB at 60 Hz (XPLOD)

Maximum current: 500 mA

Mid: ±10 dB at 1 kHz (XPLOD)

Power ampliﬁer section

Outputs: Speaker outputs (sure seal connectors)

Speaker impedance: 4 – 8 ohms

Maximum power output: 52 W × 4 (at 4 ohms)

High: ±10 dB at 10 kHz (XPLOD)

Power requirements: 12 V DC car battery

(negative ground (earth))

Power supply voltage: 11 – 16 V

Dimensions: Approx. 178 × 50 × 179 mm

General

(7 1/8 × 2 × 7 1/8 in.) (w/h/d)

Outputs:

Mounting dimensions:

Audio outputs terminal

Approx. 182 × 53 × 162 mm

(front, sub/rear switchable)

(7 1/4 × 2 1/8 × 6 1/2 in.) (w/h/d)

Power antenna (aerial) relay control terminal Mass: Approx. 1.2 kg (2 lb. 11 oz.)

Power ampliﬁer control terminal

Supplied accessories:

Inputs:

Card remote commander: RM-X151

Remote controller input terminal

Parts for installation and connections (1 set)

Antenna (aerial) input terminal

AUX input jack (stereo mini jack)

Design and speciﬁcations are subject to change

USB signal input terminal

without notice.

www x aoy u163 com. i9-889-365-01 Sony Corporation

FM/AM COMPACT DISC PLAYER

2008K04-1

Audio&Video Business Group

Published by Sony Techno Create Corporation

http://www.xiaoyu163.com

Sony Semiconductor Electronic Components Datasheet

CDX-GT484US Datasheet

FM/AM COMPACT DISC PLAYER SERVICE MANUAL

No Preview Available !

http://www.xiaoyu163.com

CDX-GT48UM/GT480U/GT480US/GT484US

MODEL IDENTIFICATION

QQ 376315150 892498299The CDX-GT480U and CDX-GT480US include the model

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused

manufactured in Chinese and the model manufactured in Thai.

on the disc reﬂective surface by the objective lens in the optical

This service manual guides the model manufactured in Chinese.

pickup block. Therefore, when checking the laser diode emission,

Check the part number speciﬁed on the model number label when

observe from more than 30 cm away from the objective lens.

performing service and inspection.

NOTES ON CHIP COMPONENT REPLACEMENT

–Bottom View–

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

TEST DISCS

Please use the following test discs for the check on the CD

section.

YDES-18 (Part No. 3-702-101-01)

PATD-012 (Part No. 4-225-203-01)

FRONT PANEL

Part No.

CAUTION

Use of controls or adjustments or performance of procedures

other than those speciﬁed herein may result in hazardous radia-

tion exposure.

Model

Part No.

GT480U: E

4-119-904-0[]

4-119-905-0[]

GT480US: E

4-119-906-0[]

4-119-907-0[]

GT480US: MX

4-119-908-0[]

GT480US: AR

4-119-909-0[]

GT484US: IND

4-119-910-0[]

TEL 13942296513GT48UM: IND

4-119-911-0[]

• Abbreviation

AR : Argentina model

IND : Indian model

MX : Mexican model

If the optical pick-up block is defective, please replace the whole

optical pick-up block.

Never turn the semi-ﬁxed resistor located at the side of optical

pick-up block.

optical pick-up

QQ 376315150 892498299

NOTES ON HANDLING THE OPTICAL PICK-UP

BLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electrostat-

ic break-down because of the potential difference generated by the

charged electrostatic load, etc. on clothing and the human body.

During repair, pay attention to electrostatic break-down and also

use the procedure in the printed matter which is included in the

repair parts.

The ﬂexible board is easily damaged and should be handled with

care.

semi-fixed resistor

SAFETY-RELATED COMPONET WARNING!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE

WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN

THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.

www . xiaoy u163.REPLACE THESE COMPONENTS WITH SONY PARTS

WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS

MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

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CDX-GT484US Datasheet

FM/AM COMPACT DISC PLAYER SERVICE MANUAL

CDX-GT484US Datasheet

FM/AM COMPACT DISC PLAYER SERVICE MANUAL

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