Sony CDX-CA890X Manuel utilisateur

Ver 1.0 2003. 02

Model Name Using Similar Mechanism CDX-CA790X

CD Drive Mechanism Type MG-393XA-121//Q

Optical Pick-up Name KSS-720A

SERVICE MANUAL

E Model

CDX-CA890X

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 – 108.0 MHz

(at 50 kHz step)

87.5 – 107.9 MHz

(at 200 kHz step)

Aerial terminal External aerial 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

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)

Aerial terminal External aerial connector

Intermediate frequency 10.7 MHz/450 kHz

Sensitivity 30 µV

SPECIFICATIONS

Power amplifier section

Outputs Speaker outputs

(sure seal connectors)

Speaker impedance 4 – 8 ohms

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

General

Outputs Audio outputs (front/rear)

Subwoofer output (mono)

Power aerial relay control terminal

Power amplifier control terminal

Inputs Telephone ATT control terminal

BUS control input terminal

BUS audio input terminal

Remote controller input terminal

Aerial input terminal

Tone controls Bass ±8 dB at 100 Hz

Treble ±8 dB at 10 kHz

Loudness +8 dB at 100 Hz

+2 dB at 10 kHz

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 Card remote commander RM-X118

Parts for installation and connections (1 set)

Front panel case (1)

Design and specifications are subject to change without

notice.

• The tuner and CD sections have no adjustments.

Sony Corporation

e Vehicle Company

Published by Sony Engineering Corporation

9-877-053-01

2003B0400-1

FM/AM COMPACT DISC PLAYER

CDX-CA890X

optical pick-up bloc

semi-fixed resistor

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.

CAUTION

Use of controls or adjustments or performance of procedures

other than those specified herein may result in hazardous

radiation exposure.

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/a 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.

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.

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.U) 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.U).

CLASS 1

LASER PRODUCT

VIEW DIRECTLY WITH OPTICAL INSTRUMENTS

DO NOT STARE INTO BEAM OR

INVISIBLE LASER RADIATION WHEN OPENCAUTION

CDX-CA890X

EXTENSION CABLE AND SERVICE POSITION

Whenrepairing or servicingthis set,connect the jig(extension cable)

as shown below.

•Connect the MAIN board (CNP301) and the SERVO board (CN1)

with the extension cable (Part No. J-2502-011-1).

•UNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the lead

free mark (LF) indicating the solder contains no lead.

(Caution:Some printed circuit boardsmay not come printedwith

the lead free mark due to their particular size.)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

•Unleadedsolder melts at atemperature about 40°C higher than

ordinary solder.

Ordinary soldering irons can be used but the iron tip has to be

applied to the solder joint for a slightly longer time.

Soldering irons using a temperature regulator should be set to

about 350°C.

Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

•Strong viscosity

Unleaded solder is more viscous (sticky, less prone to flow)

than ordinary solder so use caution not to let solder bridges

occur such as on IC pins, etc.

•Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may

also be added to ordinary solder.

MAIN BOARD

CNP301

J-2502-011-1

SERVO BOARD

CN1

TABLE OF CONTENTS

1. GENERAL

Location of controls................................................................. 5

Connections ............................................................................. 6

2. DISASSEMBLY

2-1. Sub Panel Assy .................................................................... 7

2-2. CD Mechanism Block ......................................................... 8

2-3. Main Board ......................................................................... 8

2-4. Heat Sink, MJ Board ........................................................... 9

2-5. Chassis (T.U) Assy .............................................................. 9

2-6. Disc In Board .................................................................... 10

2-7. Servo Board....................................................................... 10

2-8. Shaft Roller Assy .............................................................. 11

2-9. Floating Block Assy .......................................................... 11

2-10. Optical Pick-up Block .......................................................12

3. DIAGRAMS

3-1. IC Pin Description............................................................. 13

3-2. Block Diagram –CD Section–........................................... 15

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

3-4. Block Diagram –Display Section–.................................... 17

3-5. Circuit Boards Location .................................................... 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 –Key Section–................................ 25

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

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

4. EXPLODEDVIEWS

4-1. Chassis Section ................................................................. 31

4-2. Main Board Section .......................................................... 32

4-3. Front panel Section ...........................................................33

4-4. CD Mechanism Section (1) ............................................... 34

4-5. CD Mechanism Section (2) ............................................... 35

4-6. CD Mechanism Section (3) ............................................... 36

5. ELECTRICAL PARTS LIST......................................... 37

CDX-CA890X

SECTION 1

GENERAL This section is extracted

from instruction manual.

Location of controls

Refer to the pages listed for details.

aDSO button 20

bSOURCE (Power on/Radio/CD/MD)

button

To select the source.

cVolume +/– button

dDisplay window

eZ(eject) button (located on the front side

of the unit, behind the front panel) 9

fSEEK +/– button

To skip tracks, fast-forward, reverse a track,

tune in stations automatically, and find a

station manually.

gOPEN button 8, 9

hEQ7 button 19

iATT (attenuate) button 17

jMODE button

To change the operation.

kDSPL (display mode change) button

10, 12

lSOUND button 17, 20, 21

mRESET button (located on the front side of

the unit, behind the front panel) 7

nFrequency select switch (located on the

bottom of the unit)

See “Frequency select switch” in the

Installation/Connections manual.

oDISC/PRESET –/+ button

To receive preset stations, change the disc*

and skip albums*

pCOLOR button 21

To change the LCD colour.

qSCRL (scroll) button 10

rOFF (Stop/Power off) button*

8, 9

sReceptor for the card remote

commander

*1 When an optional CD/MD unit is connected.

*2 Available only when optional CD unit with the

MP3 file control function is connected.

*3 Warning when installing in a car without

an ACC (accessory) position on the

ignition switch

After turning off the ignition, be sure to press

and hold (OFF) on the unit until the display

disappears.

Otherwise, the display does not turn off and

this causes battery drain.

CDX-CA890X

DSPL

ATT

MODE

SCRLCOLOR

DISC/PRESET

OFF

DSO EQ7

SEEK

SOUND

The corresponding buttons of the card

remote commander control the same

functions as those on this unit.

aDSPL button

bNumber buttons

(1)

REP

(2)

SHUF

To store stations, receive stored stations.

cDSO button

dMENU button

To display the menus.

eSOURCE button

fSEEK (</,) buttons

In menu mode, to select a setting.

gSOUND button

hOFF button

iVOL (+/–) buttons

jEQ7 button

kMODE button

lLIST button

12, 15

mDISC (M/m) buttons

In menu mode, to select a menu.

nENTER button

To enter a setting.

oATT button

Note

If the display disappears by pressing

(OFF)

, it cannot

be operated with the card remote commander unless

(SOURCE)

on the unit ispressed, or a disc is inserted

to activate the unit first.

Tip

See “Replacing the lithium battery” on page 22 for

details on how to replace the batteries.

Card remote commander RM-X118

DISC

–

AT TOFF

REP SHUF

DSPL

MODE

SOURCE

DISC

SEEK

–

SOUND

ENTER

LIST

EQ7DSO

VOL

CDX-CA890X

Connections

CDX-CA890X

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

CN351

sub panel assy

claws

PTT 2.6x6

2-1. SUB PANEL ASSY

(Page 7)

2-2. CD MECHANISM BLOCK

(Page 8)

2-5. CHASSIS (T.U) ASSY

(Page 9)

2-6. DISC IN BOARD

(Page 10)

2-8. SHAFT ROLLER ASSY,

LOAD BOARD

(Page 11)

2-9. FLOATING BLOCK ASSY

(Page 11)

2-10. OPTICAL PICK-UP BLOCK

(Page 12)

SET

2-7. SERVO BOARD

(Page 10)

2-3. MAIN BOARD

(Page 8)

2-4. HEAT SINK, MJ BOARD

(Page 9)

CDX-CA890X

2-2. CD MECHANISM BLOCK

2-3. MAIN BOARD

PTT 2.6x6

PTT 2.6x

bracket (CD)

PTT 2.6x6

CD mechanism block

CNP301

PTT 2.6x

PTT 2.6x6

MAIN board

PTT 2.6x6

CDX-CA890X

2-5. CHASSIS (T.U) ASSY

2-4. HEAT SINK, MJ BOARD

chassis (T.U) assy

P 2x3

Unsolder the

lead wires.

black

red

white

PTT 2.6x8

PTT 2.6x6

cord (RCA)

PTT 2.6x

heat sink

MJ board

PTT 2.6x12

CDX-CA890X

2-6. DISC IN BOARD

2-7. SERVO BOARD

claws

DISC IN board

guide (disc)

PS 2x3

PTT 2x4

CN3

Removal the solders.

P 2x3

loading motor assy

SERVO board

PICK-UP FLEXIBLE board

optical pick-up block

Unsolder the

lead wires.

black

yellow

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