Sony CDX-CA540X Manual de usuario

Ver 1.0 2002. 12

Model Name Using Similar Mechanism NEW

CD Drive Mechanism Type MG-393XC-121//K

Optical Pick-up Name KSS-721A

SERVICE MANUAL

E Model

CDX-CA540X/CA590X

FM/AM COMPACT DISC PLAYER

CD player section

Signal-to-noise ratio 90 dB

Frequency response 10 – 20,000 Hz

Wow and flutter Below measurable limit

Tuner section

Tuning range FM tuning interval:

50 kHz/200 kHz switchable

87.5 – 108 MHz

(at 50 kHz step)

87.5 – 107.9 MHz

(at 200 kHz step)

Antenna terminal External antenna connector

Intermediate frequency 10.7 MHz

Usable sensitivity 11 dBf

Selectivity 75 dB at 400 kHz

Signal-to-noise ratio 65 dB (stereo),

68 dB (mono)

Harmonic distortion at 1 kHz

0.7% (stereo),

0.5% (mono)

Separation 33 dB at 1 kHz

Frequency response 30 – 15,000 Hz

Tuning range AM tuning interval:

9 kHz/10 kHz switchable

531 – 1,602 kHz

(at 9 kHz step)

530 – 1,710 kHz

(at 10 kHz step)

Antenna terminal External antenna connector

Intermediate frequency 10.7 MHz/450 kHz

Sensitivity AM: 30 µV

SPECIFICATIONS

Power amplifier section

Outputs Speaker outputs

(sure seal connectors)

Speaker impedance 4 – 8 ohms

Maximum power output 50 W ×4 (at 4 ohms)

General

Outputs Audio outputs (rear)

Power antenna relay control terminal

Power amplifier control terminal

Inputs BUS control input terminal

BUS audio input terminal

Remote controller input terminal

Antenna input terminal

Tone controls Low: ±10 dB at 60 Hz (XPLOD)

Mid: ±10 dB at 1 kHz (XPLOD)

High: ±10 dB at 10 kHz (XPLOD)

Power requirements 12 V DC car battery

(negative earth)

Dimensions Approx. 178 ×50 ×180 mm

(w/h/d)

Mounting dimensions Approx. 182 ×53 ×161 mm

(w/h/d)

Mass Approx. 1.2 kg

Supplied accessories Parts for installation and connections (1set)

Front panel case (1)

Card remote commander

RM-X115 (CDX-CA590X)

Note

This unit cannot be connected to a digital preamplifier or an equalizer

which is Sony Bus system compatible.

Design and specifications are subject to change without

notice.

Sony Corporation

e Vehicle Company

Published by Sony Engineering Corporation

9-874-262-01

2002L0400-1

Photo: CDX-CA540X

• The tuner and CD sections have no adjustments.

CDX-CA540X/CA590X

SERVICE NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK

OR BASE UNIT

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

breakdown because of the potential difference generated by the

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

During repair, pay attention to electrostatic breakdown 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.

NOTES ON LASER DIODE EMISSION CHECK

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

the disc reflective surface by the objective lens in the optical pick-

up block. Therefore, when checking the laser diode emission, ob-

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

Notes on Chip Component Replacement

•Never reuse a disconnected chip component.

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

aged by heat.

TEST DISCS

This set can playback CD-R and CD-ROM discs. The following

test discs should be used to check the capability:

CD-R test disc TCD-R082LMT (Part No. J-2502-063-1)

CD-RW test disc TCD-W082L (Part No. J-2502-063-2)

Notes on CD-R/CD-RW discs

•You can play CD-Rs (recordable CDs)/CD-RWs (rewritable CDs)

designed for audio use on this unit.

Look for these marks to distinguish CD-Rs/CD-RWs for audio

use.

These marks denote that a disc is not for audio use.

•Some CD-Rs/CD-RWs (depending on the equipment used for

its recording or the condition of the disc) may not play on this

unit.

•You cannot play a CD-R/CD-RW that is not finalized∗.

∗A process necessary for a recorded CD-R/CD-RW disc to be

played on the audio CD player.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE

WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN

THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.

REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE

PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR

IN SUPPLEMENTS PUBLISHED BY SONY.

This label is located on the bottom of the chassis.

This label is located on the drive unit’s internal chassis.

When replacing the chassis (T) of mechanism deck which have the

“CAUTION LABEL” attached, please be sure to put a new

LABEL (OP CAUTION) (3-223-913-01) to the chassis (T).

TABLE OF CONTENTS

1. GENERAL

Location of controls................................................................. 4

Connections ............................................................................. 4

2. DISASSEMBLY

2-1. Sub PanelAssy (CD)........................................................... 6

2-2. CD Mechanism Block ......................................................... 7

2-3. Main Board ......................................................................... 7

2-4. Heat Sink ............................................................................. 8

2-5. Chassis (T) Sub Assy .......................................................... 8

2-6. Lever Section, In Self Sw Board ......................................... 9

2-7. Servo Board ......................................................................... 9

2-8. Shaft Roller Assy, Load Sw Board.................................... 10

2-9. Floating Block Assy .......................................................... 10

2-10. Optical Pick-up Block .......................................................11

MAIN BOARD CNP701

SERVO BOARD CN1

3. DIAGRAMS

3-1. IC Pin Description............................................................. 12

3-2. Circuit Boards Location .................................................... 14

3-3. Block Diagram –CD Section–........................................... 15

3-4. Block Diagram –Tuner Section–....................................... 16

3-5. Block Diagram –Display Section–.................................... 17

3-6. Printed Wiring Boards –CD Mechanism Section–............ 18

3-7. Schematic Diagram –CD Mechanism Section– ................ 20

3-8. Printed Wiring Boards –Main Section– ............................ 21

3-9. Schematic Diagram –Main Section (1/2)– ........................ 22

3-10. Schematic Diagram –Main Section (2/2)– ........................ 23

3-11. Printed Wiring Board –Relay Section– ............................. 24

3-12. Printed Wiring Board –Display Section– ..........................25

3-13. Schematic Diagram –Display Section–............................. 26

3-14. IC Block Diagrams............................................................ 27

4. EXPLODED VIEWS

4-1. Chassis Section ................................................................. 30

4-2. Front panel Section ........................................................... 31

4-3. CD Mechanism Section (1) ............................................... 32

4-4. CD Mechanism Section (2) ............................................... 33

4-5. CD Mechanism Section (3) ............................................... 34

5. ELECTRICAL PARTS LIST ........................................ 35

CDX-CA540X/CA590X

EXTENSION CABLE AND SERVICE POSITION

Whenrepairing or servicing this set, connect thejig(extensioncable)

as shown below.

•Connect the MAIN board (CNP701) and the SERVO board (CN1)

with the extension cable (Part No. J-2502-062-1).

CDX-CA540X/CA590X SECTION 1

GENERAL This section is extracted

from instruction manual.

Connections

CDX-CA540X/CA590X

CDX-CA540X/CA590X SECTION 2

DISASSEMBLY

Note : This set can be disassemble according to the following sequence.

Note : Follow the disassembly procedure in the numerical order given.

2-1. SUB PANEL ASSY (CD)

(Page 6)

2-2. CD MECHANISM BLOCK

(Page 7)

2-5. CHASSIS (T) SUB ASSY

(Page 8)

2-6. LEVER SECTION

IN SELF SW BOARD

(Page 9)

2-8. SHAFT ROLLER ASSY

LOAD SW BOARD

(Page 10)

2-9. FLOATING BLOCK ASSY

(Page 10)

2-10. OPTICAL PICK-UP BLOCK

(Page 11)

SET

2-7. SERVO BOARD

(Page 9)

2-3. MAIN BOARD

(Page 7)

2-4. HEAT SINK

(Page 8)

CNP803

sub panel assy (CD)

claws

PTT 2.6x6

CDX-CA540X/CA590X

screw (+BTT)

screws (+BTT)

PTT 2.6x8

MAIN board

PTT 2.6x

PTT 2.6x6

PTT 2.6x

bracket (CD)

PTT 2.6x6

CD mechanism block

CNP701

2-2. CD MECHANISM BLOCK

2-3. MAIN BOARD

CDX-CA540X/CA590X

2-5. CHASSIS (T) SUB ASSY

2-4. HEAT SINK

heat sink

PTT 2.6x8

PTT 2.6x12

PTT 2.6x8

PTT 2.6x

chassis (T) sub assy

P 2x3

Unsolder the

lead wires.

black

red

white

CDX-CA540X/CA590X

2-6. LEVER SECTION, IN SELF SW BOARD

2-7. SERVO BOARD

claws

IN SELF SW board

lever (L)

tension spring (LR)

lever (R)

guide (disc)

special screw

special screws

CN3

Removal the solders.

P 2x3

loading motor assy

SERVO board

special screw

FLEXIBLE board

optical pick-up block

Unsolder the

lead wires.

black

yellow

CDX-CA540X/CA590X

tension spring (KF1)

compression spring (FL)

floating block assy

compression spring (FL)

Fit lever (D) in the

direction of the arrow.

damper (T)

Turn loading ring in the

direction of the arrow.

2-9. FLOATING BLOCK ASSY

2-8. SHAFT ROLLER ASSY, LOAD SW BOARD

• When installing, take note of the positions

arm (roller) and washers. (Fig. 1)

Fig. 1

tension spring (RA)

arm (roller)

retaining ring (RA)

shaft retainer (roller)

shaft roller assy

special screw

LOAD SW board

retaining ring

(RA) arm arm

washer washer shaft retainer

(roller)

shaft retainer (roller)

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